[INFO] cloning repository https://github.com/titouanfuchs/RustCourse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/titouanfuchs/RustCourse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitouanfuchs%2FRustCourse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitouanfuchs%2FRustCourse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20dc60f2cec43a61b160e14c82afcae5c75836c1
[INFO] building titouanfuchs/RustCourse against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftitouanfuchs%2FRustCourse" "/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/titouanfuchs/RustCourse on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/titouanfuchs/RustCourse
[INFO] finished tweaking git repo https://github.com/titouanfuchs/RustCourse
[INFO] tweaked toml for git repo https://github.com/titouanfuchs/RustCourse written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/titouanfuchs/RustCourse 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b3ed410d63d3405fcacf456a8ebbcf1014a691a1fe5b4ab6a56dbf84c757bb3
[INFO] running `Command { std: "docker" "start" "-a" "2b3ed410d63d3405fcacf456a8ebbcf1014a691a1fe5b4ab6a56dbf84c757bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3ed410d63d3405fcacf456a8ebbcf1014a691a1fe5b4ab6a56dbf84c757bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3ed410d63d3405fcacf456a8ebbcf1014a691a1fe5b4ab6a56dbf84c757bb3", kill_on_drop: false }`
[INFO] [stdout] 2b3ed410d63d3405fcacf456a8ebbcf1014a691a1fe5b4ab6a56dbf84c757bb3
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c09c6fc91d8d43907b9c43670f95823e0fda87ade35aebba1657aef98a78a9f
[INFO] running `Command { std: "docker" "start" "-a" "5c09c6fc91d8d43907b9c43670f95823e0fda87ade35aebba1657aef98a78a9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if (min > max || max < min) {
[INFO] [stdout]    |        ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     if (min > max || max < min) {
[INFO] [stdout] 85 +     if min > max || max < min {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut vec = vec![1, 3, 4, 5];
[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: variants `Admin` and `Owner` are never constructed
[INFO] [stdout]   --> src/user/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum UserRole {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 11 |     Admin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     Owner,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserRole` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Male` and `Female` are never constructed
[INFO] [stdout]   --> src/user/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Gender {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 28 |     Male,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     Female,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gender` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kill_me` is never used
[INFO] [stdout]   --> src/user/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn kill_me(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perimeter` is never used
[INFO] [stdout]  --> src/shapes/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Shape {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 2 |     fn surface(&self) -> f32;
[INFO] [stdout] 3 |     fn perimeter(&self) -> f32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashMaps` should have a snake case name
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn hashMaps() {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `hash_maps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchPatternBinding` should have a snake case name
[INFO] [stdout]    --> src/main.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn matchPatternBinding() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `match_pattern_binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `patternBinding` should have a snake case name
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn patternBinding() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pattern_binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchSwitch` should have a snake case name
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn matchSwitch() {
[INFO] [stdout]     |    ^^^^^^^^^^^ help: convert the identifier to snake case: `match_switch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returnFromIf` should have a snake case name
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn returnFromIf() {
[INFO] [stdout]     |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `return_from_if`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `L` should have a snake case name
[INFO] [stdout]  --> src/shapes/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     L: f32,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Le` should have a snake case name
[INFO] [stdout]   --> src/shapes/mod.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(le: f32, Le: f32) -> Rect {
[INFO] [stdout]    |                         ^^ help: convert the identifier to snake case: `le`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "5c09c6fc91d8d43907b9c43670f95823e0fda87ade35aebba1657aef98a78a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c09c6fc91d8d43907b9c43670f95823e0fda87ade35aebba1657aef98a78a9f", kill_on_drop: false }`
[INFO] [stdout] 5c09c6fc91d8d43907b9c43670f95823e0fda87ade35aebba1657aef98a78a9f
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3099088ec36cf228c123756a99b0e7612fb86a8d4cd9dbafdeeede0184e45803
[INFO] running `Command { std: "docker" "start" "-a" "3099088ec36cf228c123756a99b0e7612fb86a8d4cd9dbafdeeede0184e45803", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-course v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     if (min > max || max < min) {
[INFO] [stdout]    |        ^                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 85 -     if (min > max || max < min) {
[INFO] [stdout] 85 +     if min > max || max < min {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut vec = vec![1, 3, 4, 5];
[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: variants `Admin` and `Owner` are never constructed
[INFO] [stdout]   --> src/user/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum UserRole {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 11 |     Admin,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 12 |     Owner,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UserRole` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Male` and `Female` are never constructed
[INFO] [stdout]   --> src/user/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Gender {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] 28 |     Male,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 29 |     Female,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gender` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `kill_me` is never used
[INFO] [stdout]   --> src/user/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn kill_me(&self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perimeter` is never used
[INFO] [stdout]  --> src/shapes/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Shape {
[INFO] [stdout]   |           ----- method in this trait
[INFO] [stdout] 2 |     fn surface(&self) -> f32;
[INFO] [stdout] 3 |     fn perimeter(&self) -> f32;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hashMaps` should have a snake case name
[INFO] [stdout]   --> src/main.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn hashMaps() {
[INFO] [stdout]    |    ^^^^^^^^ help: convert the identifier to snake case: `hash_maps`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchPatternBinding` should have a snake case name
[INFO] [stdout]    --> src/main.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn matchPatternBinding() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `match_pattern_binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `patternBinding` should have a snake case name
[INFO] [stdout]    --> src/main.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn patternBinding() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `pattern_binding`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `matchSwitch` should have a snake case name
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn matchSwitch() {
[INFO] [stdout]     |    ^^^^^^^^^^^ help: convert the identifier to snake case: `match_switch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returnFromIf` should have a snake case name
[INFO] [stdout]    --> src/main.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn returnFromIf() {
[INFO] [stdout]     |    ^^^^^^^^^^^^ help: convert the identifier to snake case: `return_from_if`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `L` should have a snake case name
[INFO] [stdout]  --> src/shapes/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     L: f32,
[INFO] [stdout]   |     ^ help: convert the identifier to snake case: `l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Le` should have a snake case name
[INFO] [stdout]   --> src/shapes/mod.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(le: f32, Le: f32) -> Rect {
[INFO] [stdout]    |                         ^^ help: convert the identifier to snake case: `le`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3099088ec36cf228c123756a99b0e7612fb86a8d4cd9dbafdeeede0184e45803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3099088ec36cf228c123756a99b0e7612fb86a8d4cd9dbafdeeede0184e45803", kill_on_drop: false }`
[INFO] [stdout] 3099088ec36cf228c123756a99b0e7612fb86a8d4cd9dbafdeeede0184e45803