[INFO] cloning repository https://github.com/luizgrocco/santa-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luizgrocco/santa-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizgrocco%2Fsanta-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizgrocco%2Fsanta-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1508fb3a29762827522b9f2cd7c458efaf37845
[INFO] checking luizgrocco/santa-rust against master#e4c14468460b22ac7a289a422fb7fee606e12a0b for pr-114489-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluizgrocco%2Fsanta-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luizgrocco/santa-rust on toolchain e4c14468460b22ac7a289a422fb7fee606e12a0b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e4c14468460b22ac7a289a422fb7fee606e12a0b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luizgrocco/santa-rust
[INFO] finished tweaking git repo https://github.com/luizgrocco/santa-rust
[INFO] tweaked toml for git repo https://github.com/luizgrocco/santa-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luizgrocco/santa-rust 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" "+e4c14468460b22ac7a289a422fb7fee606e12a0b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.6.4
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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_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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e4c14468460b22ac7a289a422fb7fee606e12a0b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0465c4de36fb25822b9a967647b7f9ca4fd4e32c15dc0ebff8ae977474cd606f
[INFO] running `Command { std: "docker" "start" "-a" "0465c4de36fb25822b9a967647b7f9ca4fd4e32c15dc0ebff8ae977474cd606f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0465c4de36fb25822b9a967647b7f9ca4fd4e32c15dc0ebff8ae977474cd606f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0465c4de36fb25822b9a967647b7f9ca4fd4e32c15dc0ebff8ae977474cd606f", kill_on_drop: false }`
[INFO] [stdout] 0465c4de36fb25822b9a967647b7f9ca4fd4e32c15dc0ebff8ae977474cd606f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e4c14468460b22ac7a289a422fb7fee606e12a0b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c60ec69e902a041dc77d3dd01380b0de746a7a155e40feb6dce00c0c1a470d2b
[INFO] running `Command { std: "docker" "start" "-a" "c60ec69e902a041dc77d3dd01380b0de746a7a155e40feb6dce00c0c1a470d2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking santa-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `borrowedElf1`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let borrowedElf1 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrowedElf1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrowedElf2`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let borrowedElf2 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrowedElf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elves`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let elves: Vec<Elf> = (1..=2).map(|id| Elf::new(id)).collect::<Vec<_>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_elves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keep_going` and `id` are never read
[INFO] [stdout]  --> src/christmas/elf.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Elf {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 5 |     state: ElfState,
[INFO] [stdout] 6 |     keep_going: bool,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrowedElf1`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let borrowedElf1 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrowedElf1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AtSantasDoor` is never constructed
[INFO] [stdout]   --> src/christmas/elf.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ElfState {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     AtSantasDoor,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElfState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `borrowedElf2`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let borrowedElf2 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_borrowedElf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `terminate` and `report` are never used
[INFO] [stdout]   --> src/christmas/elf.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Elf {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn terminate(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn report(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elves`
[INFO] [stdout]   --> src/main.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let elves: Vec<Elf> = (1..=2).map(|id| Elf::new(id)).collect::<Vec<_>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_elves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reindeer` is never constructed
[INFO] [stdout]  --> src/christmas/reindeer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Reindeer {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Santa` is never constructed
[INFO] [stdout]  --> src/christmas/santa.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Santa {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SantaState` is never used
[INFO] [stdout]  --> src/christmas/santa.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum SantaState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `borrowedElf1` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let borrowedElf1 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `borrowed_elf1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `borrowedElf2` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let borrowedElf2 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `borrowed_elf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `keep_going` and `id` are never read
[INFO] [stdout]  --> src/christmas/elf.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Elf {
[INFO] [stdout]   |            --- fields in this struct
[INFO] [stdout] 5 |     state: ElfState,
[INFO] [stdout] 6 |     keep_going: bool,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     id: usize,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AtSantasDoor` is never constructed
[INFO] [stdout]   --> src/christmas/elf.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum ElfState {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     AtSantasDoor,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElfState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `terminate` and `report` are never used
[INFO] [stdout]   --> src/christmas/elf.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Elf {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn terminate(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn report(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reindeer` is never constructed
[INFO] [stdout]  --> src/christmas/reindeer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Reindeer {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Santa` is never constructed
[INFO] [stdout]  --> src/christmas/santa.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Santa {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SantaState` is never used
[INFO] [stdout]  --> src/christmas/santa.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum SantaState {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `borrowedElf1` should have a snake case name
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let borrowedElf1 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `borrowed_elf1`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `borrowedElf2` should have a snake case name
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let borrowedElf2 = &my_elf;
[INFO] [stdout]   |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `borrowed_elf2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "c60ec69e902a041dc77d3dd01380b0de746a7a155e40feb6dce00c0c1a470d2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60ec69e902a041dc77d3dd01380b0de746a7a155e40feb6dce00c0c1a470d2b", kill_on_drop: false }`
[INFO] [stdout] c60ec69e902a041dc77d3dd01380b0de746a7a155e40feb6dce00c0c1a470d2b