[INFO] cloning repository https://github.com/maikkundev/ds-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maikkundev/ds-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikkundev%2Fds-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikkundev%2Fds-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b89b48019fde1639952648f614515905363ded16
[INFO] testing maikkundev/ds-2024 against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikkundev%2Fds-2024" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maikkundev/ds-2024 on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maikkundev/ds-2024
[INFO] finished tweaking git repo https://github.com/maikkundev/ds-2024
[INFO] tweaked toml for git repo https://github.com/maikkundev/ds-2024 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/maikkundev/ds-2024 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 6b38d8f6293de306af9472337b6b92d80743ca585f2ba558051589e7a6f6958d
[INFO] running `Command { std: "docker" "start" "-a" "6b38d8f6293de306af9472337b6b92d80743ca585f2ba558051589e7a6f6958d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b38d8f6293de306af9472337b6b92d80743ca585f2ba558051589e7a6f6958d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b38d8f6293de306af9472337b6b92d80743ca585f2ba558051589e7a6f6958d", kill_on_drop: false }`
[INFO] [stdout] 6b38d8f6293de306af9472337b6b92d80743ca585f2ba558051589e7a6f6958d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df05f837725d9c024f92fa3169d257f5c441ae56a99e0bdcf910870abb7f5072
[INFO] running `Command { std: "docker" "start" "-a" "df05f837725d9c024f92fa3169d257f5c441ae56a99e0bdcf910870abb7f5072", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling semver v1.0.23
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[INFO] [stderr]    Compiling simd-adler32 v0.3.7
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[INFO] [stderr]    Compiling cc v1.0.97
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[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling const-cstr v0.3.0
[INFO] [stderr]    Compiling font-kit v0.11.0
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling plotters-backend v0.3.5
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling bytemuck v1.15.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
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[INFO] [stderr]    Compiling memchr v2.7.2
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[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling freetype-sys v0.20.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.201
[INFO] [stderr]    Compiling plotters-bitmap v0.3.3
[INFO] [stderr]    Compiling csv v1.3.0
[INFO] [stderr]    Compiling freetype v0.7.2
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling proj1 v0.1.0 (/opt/rustwide/workdir/crates/proj1)
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Record {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/proj1/src/shellsort.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut data = Record::create_rand_vec(size);
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `GREY_A100` and `GREY_A400`
[INFO] [stdout]  --> crates/proj1/src/plottings.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use plotters::style::full_palette::{GREY_A100, GREY_A200, GREY_A400};
[INFO] [stdout]   |                                     ^^^^^^^^^             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.73s
[INFO] running `Command { std: "docker" "inspect" "df05f837725d9c024f92fa3169d257f5c441ae56a99e0bdcf910870abb7f5072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df05f837725d9c024f92fa3169d257f5c441ae56a99e0bdcf910870abb7f5072", kill_on_drop: false }`
[INFO] [stdout] df05f837725d9c024f92fa3169d257f5c441ae56a99e0bdcf910870abb7f5072
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7950587f3696ea3a208332e6803c627c021f1b7dde53bf0d8773ca6913a1f26
[INFO] running `Command { std: "docker" "start" "-a" "d7950587f3696ea3a208332e6803c627c021f1b7dde53bf0d8773ca6913a1f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proj2 v0.1.0 (/opt/rustwide/workdir/crates/proj2)
[INFO] [stderr]    Compiling proj1 v0.1.0 (/opt/rustwide/workdir/crates/proj1)
[INFO] [stdout] warning: unused imports: `GREY_A100` and `GREY_A400`
[INFO] [stdout]  --> crates/proj1/src/plottings.rs:7:37
[INFO] [stdout]   |
[INFO] [stdout] 7 | use plotters::style::full_palette::{GREY_A100, GREY_A200, GREY_A400};
[INFO] [stdout]   |                                     ^^^^^^^^^             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Record {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/proj1/src/shellsort.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut data = Record::create_rand_vec(size);
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stdout]   --> crates/proj1/src/record.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Record {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 9  |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 10 |     pub gender: String,
[INFO] [stdout] 11 |     pub first_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 12 |     pub last_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new` is never used
[INFO] [stdout]   --> crates/proj1/src/record.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Record {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "d7950587f3696ea3a208332e6803c627c021f1b7dde53bf0d8773ca6913a1f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7950587f3696ea3a208332e6803c627c021f1b7dde53bf0d8773ca6913a1f26", kill_on_drop: false }`
[INFO] [stdout] d7950587f3696ea3a208332e6803c627c021f1b7dde53bf0d8773ca6913a1f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecb724275d5b4fc84b81a8aa44b99b994aac47b3519cca73f728c31cd91fe739
[INFO] running `Command { std: "docker" "start" "-a" "ecb724275d5b4fc84b81a8aa44b99b994aac47b3519cca73f728c31cd91fe739", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `GREY_A100` and `GREY_A400`
[INFO] [stderr]  --> crates/proj1/src/plottings.rs:7:37
[INFO] [stderr]   |
[INFO] [stderr] 7 | use plotters::style::full_palette::{GREY_A100, GREY_A200, GREY_A400};
[INFO] [stderr]   |                                     ^^^^^^^^^             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `first_name`, and `last_name` are never read
[INFO] [stderr]   --> crates/proj1/src/record.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | pub struct Record {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 9  |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 10 |     pub gender: String,
[INFO] [stderr] 11 |     pub first_name: String,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 12 |     pub last_name: String,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `new` is never used
[INFO] [stderr]   --> crates/proj1/src/record.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl Record {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 28 |     pub fn new(&self, id: usize, gender: String, first_name: String, last_name: String) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> crates/proj1/src/shellsort.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let mut data = Record::create_rand_vec(size);
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `id` is never read
[INFO] [stderr]  --> crates/proj1/src/record.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Record {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] 9 |     id: usize,
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Record` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `proj1` (bin "plot" test) generated 1 warning (run `cargo fix --bin "plot" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `proj1` (bin "quicksort" test) generated 2 warnings
[INFO] [stderr] warning: `proj1` (bin "mergesort" test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `proj1` (bin "shellsort" test) generated 3 warnings (2 duplicates) (run `cargo fix --bin "shellsort" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `proj1` (bin "selectionsort" test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `proj1` (bin "insertionsort" test) generated 2 warnings (2 duplicates)
[INFO] [stderr] warning: `proj1` (bin "proj1" test) generated 1 warning
[INFO] [stderr] warning: `proj1` (bin "bubblesort" test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/bubblesort.rs (/opt/rustwide/target/debug/deps/bubblesort-bfd77d35f7cb47ef)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::no_elements ... ok
[INFO] [stdout] test tests::ten_elements ... ok
[INFO] [stdout] test tests::ten_elements_with_duplicates ... ok
[INFO] [stdout] test tests::one_element ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/heapsort.rs (/opt/rustwide/target/debug/deps/heapsort-6ef273c9ce92dde9)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::no_elements ... ok
[INFO] [stdout] test tests::one_element ... ok
[INFO] [stdout] test tests::test_ten_elements ... ok
[INFO] [stdout] test tests::ten_elements_with_duplicates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/insertionsort.rs (/opt/rustwide/target/debug/deps/insertionsort-9b113b5b04e760b8)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::no_elements ... ok
[INFO] [stdout] test tests::ten_elements ... ok
[INFO] [stdout] test tests::one_element ... ok
[INFO] [stdout] test tests::ten_elements_duplicates ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/mergesort.rs (/opt/rustwide/target/debug/deps/mergesort-a2c5a8f39f56bd8d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::one_element ... ok
[INFO] [stdout] test tests::ten_elements ... ok
[INFO] [stdout] test tests::ten_elements_with_duplicates ... ok
[INFO] [stdout] test tests::no_elements ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::no_elements stdout ----
[INFO] [stdout] thread 'tests::no_elements' panicked at crates/proj1/src/mergesort.rs:119:19:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x605203c6692a - std::backtrace_rs::backtrace::libunwind::trace::h8810477743020387
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x605203c6692a - std::backtrace_rs::backtrace::trace_unsynchronized::h3aa55355dd6c54a6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x605203c6692a - std::sys::backtrace::_print_fmt::h8588b0f62410823f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x605203c6692a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98c26ac25ffe89bb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x605203c8c393 - core::fmt::rt::Argument::fmt::hf95377f4aebd453b
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x605203c8c393 - core::fmt::write::h0dd5f6e2238c7982
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/fmt/mod.rs:1189:21
[INFO] [stdout]    6:     0x605203c63ac3 - std::io::Write::write_fmt::h03bb0ca26e6faf8c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/io/mod.rs:1884:15
[INFO] [stdout]    7:     0x605203c66772 - std::sys::backtrace::BacktraceLock::print::h5c19c1c038ee186d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x605203c67dad - std::panicking::default_hook::{{closure}}::h77172f079a1fcb13
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x605203c67bb7 - std::panicking::default_hook::he5f8e3b203ccddba
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x605203c31257 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h7a3c7b4a1ae77f2f
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   11:     0x605203c31257 - test::test_main::{{closure}}::hf0d3b69ae9b353d1
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x605203c68458 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6332e82e7b189abd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1986:9
[INFO] [stdout]   13:     0x605203c68458 - std::panicking::rust_panic_with_hook::h53863d4e9018df39
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x605203c681e6 - std::panicking::begin_panic_handler::{{closure}}::h67280e6fa0757873
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:667:13
[INFO] [stdout]   15:     0x605203c66e09 - std::sys::backtrace::__rust_end_short_backtrace::h1dac3f54d6fbbeb2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x605203c67eac - rust_begin_unwind
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x605203beeae0 - core::panicking::panic_fmt::h6792bd1b2bf01041
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:76:14
[INFO] [stdout]   18:     0x605203bef117 - core::panicking::panic_const::panic_const_sub_overflow::h71f1aad2a0839d29
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panicking.rs:182:21
[INFO] [stdout]   19:     0x605203bf4488 - mergesort::tests::no_elements::hab1042264d5e1492
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/proj1/src/mergesort.rs:119:19
[INFO] [stdout]   20:     0x605203bf43d7 - mergesort::tests::no_elements::{{closure}}::h89fc1f537726d7fd
[INFO] [stdout]                                at /opt/rustwide/workdir/crates/proj1/src/mergesort.rs:117:21
[INFO] [stdout]   21:     0x605203befe96 - core::ops::function::FnOnce::call_once::h525d30da5fcff944
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   22:     0x605203c35d7b - core::ops::function::FnOnce::call_once::h871bf86719ec9aa4
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x605203c35d7b - test::__rust_begin_short_backtrace::h2167df1e2b7d76fd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:632:18
[INFO] [stdout]   24:     0x605203c35768 - test::run_test_in_process::{{closure}}::h15d92f75a3adfb79
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:60
[INFO] [stdout]   25:     0x605203c35768 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6c8955835a8dbbb
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   26:     0x605203c35768 - std::panicking::try::do_call::hc79d0fc888a0bd30
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x605203c35768 - std::panicking::try::hb8a7878e3a8589d6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x605203c35768 - std::panic::catch_unwind::hb8e4600ff0ff5cfa
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x605203c35768 - test::run_test_in_process::hc2900b0b18688dd6
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:655:27
[INFO] [stdout]   30:     0x605203c35768 - test::run_test::{{closure}}::hac2a9cb07be3d48d
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:576:43
[INFO] [stdout]   31:     0x605203bf920a - test::run_test::{{closure}}::h4a5b729e66a38cd8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/test/src/lib.rs:606:41
[INFO] [stdout]   32:     0x605203bf920a - std::sys::backtrace::__rust_begin_short_backtrace::h0496fb742492f573
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   33:     0x605203bfcb84 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hbb6d257c550a54bd
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:561:17
[INFO] [stdout]   34:     0x605203bfcb84 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h46696fe4a6832328
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   35:     0x605203bfcb84 - std::panicking::try::do_call::h2625a51b667bfb64
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:557:40
[INFO] [stdout]   36:     0x605203bfcb84 - std::panicking::try::hb956a59a1973aa4c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panicking.rs:520:19
[INFO] [stdout]   37:     0x605203bfcb84 - std::panic::catch_unwind::h64f3b9d1067ef6a0
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/panic.rs:358:14
[INFO] [stdout]   38:     0x605203bfcb84 - std::thread::Builder::spawn_unchecked_::{{closure}}::h42b2841295b6c0b2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/thread/mod.rs:559:30
[INFO] [stdout]   39:     0x605203bfcb84 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h6127de71b8124639
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x605203c6c39b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h42f0ba71002a1b2c
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   41:     0x605203c6c39b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::had9e47d7a3dcecb8
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/alloc/src/boxed.rs:1972:9
[INFO] [stdout]   42:     0x605203c6c39b - std::sys::pal::unix::thread::Thread::new::thread_start::h48cf765408f6f5f2
[INFO] [stdout]                                at /rustc/202008a1b8de96d2e5b6bc02d379db03a877d34d/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   43:     0x795655ae2ac3 - <unknown>
[INFO] [stdout]   44:     0x795655b73a04 - clone
[INFO] [stdout]   45:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::no_elements
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p proj1 --bin mergesort`
[INFO] running `Command { std: "docker" "inspect" "ecb724275d5b4fc84b81a8aa44b99b994aac47b3519cca73f728c31cd91fe739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb724275d5b4fc84b81a8aa44b99b994aac47b3519cca73f728c31cd91fe739", kill_on_drop: false }`
[INFO] [stdout] ecb724275d5b4fc84b81a8aa44b99b994aac47b3519cca73f728c31cd91fe739
