[INFO] cloning repository https://github.com/sosso21/rust-cours
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sosso21/rust-cours" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsosso21%2Frust-cours", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsosso21%2Frust-cours'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 643bdd6b6a13f55d1266567f7a6071c525b2fea3
[INFO] testing sosso21/rust-cours against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsosso21%2Frust-cours" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sosso21/rust-cours on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sosso21/rust-cours
[INFO] finished tweaking git repo https://github.com/sosso21/rust-cours
[INFO] tweaked toml for git repo https://github.com/sosso21/rust-cours written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sosso21/rust-cours 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62be5600a6cc3f1c15b2d95ce4a1de899d8eadf86654bbcc0103ebb4e2fc296f
[INFO] running `Command { std: "docker" "start" "-a" "62be5600a6cc3f1c15b2d95ce4a1de899d8eadf86654bbcc0103ebb4e2fc296f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62be5600a6cc3f1c15b2d95ce4a1de899d8eadf86654bbcc0103ebb4e2fc296f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62be5600a6cc3f1c15b2d95ce4a1de899d8eadf86654bbcc0103ebb4e2fc296f", kill_on_drop: false }`
[INFO] [stdout] 62be5600a6cc3f1c15b2d95ce4a1de899d8eadf86654bbcc0103ebb4e2fc296f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06b09f9cdc05d345ba359c65a3776b840d037cb725b3ca802c70f2f486f224da
[INFO] running `Command { std: "docker" "start" "-a" "06b09f9cdc05d345ba359c65a3776b840d037cb725b3ca802c70f2f486f224da", kill_on_drop: false }`
[INFO] [stderr]    Compiling cour-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pi1`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let pi1: f32 = 3.1415926;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pi1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_subscribe`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let is_subscribe: bool = true;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_subscribe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_not_sub`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let is_not_sub: bool = false;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_not_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_char`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let my_char = 'à';
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_string`
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let my_string: &str = "hello word";
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fst`
[INFO] [stdout]   --> src/main.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_fst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snd`
[INFO] [stdout]   --> src/main.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_snd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trd`
[INFO] [stdout]   --> src/main.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_trd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `the_fst`
[INFO] [stdout]   --> src/main.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let the_fst = winner.0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_the_fst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index2`
[INFO] [stdout]    --> src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let index2: usize = index as usize;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_index2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "06b09f9cdc05d345ba359c65a3776b840d037cb725b3ca802c70f2f486f224da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b09f9cdc05d345ba359c65a3776b840d037cb725b3ca802c70f2f486f224da", kill_on_drop: false }`
[INFO] [stdout] 06b09f9cdc05d345ba359c65a3776b840d037cb725b3ca802c70f2f486f224da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f043f7f5d4e846c14e58be314ae78970d45654594986a9b9c90eaf4df7fdde
[INFO] running `Command { std: "docker" "start" "-a" "76f043f7f5d4e846c14e58be314ae78970d45654594986a9b9c90eaf4df7fdde", kill_on_drop: false }`
[INFO] [stderr]    Compiling cour-1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pi1`
[INFO] [stdout]   --> src/main.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let pi1: f32 = 3.1415926;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pi1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_subscribe`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let is_subscribe: bool = true;
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_subscribe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_not_sub`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let is_not_sub: bool = false;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_not_sub`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_char`
[INFO] [stdout]   --> src/main.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let my_char = 'à';
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `my_string`
[INFO] [stdout]   --> src/main.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let my_string: &str = "hello word";
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fst`
[INFO] [stdout]   --> src/main.rs:89:10
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_fst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snd`
[INFO] [stdout]   --> src/main.rs:89:15
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stdout]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_snd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `trd`
[INFO] [stdout]   --> src/main.rs:89:20
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_trd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `the_fst`
[INFO] [stdout]   --> src/main.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let the_fst = winner.0;
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_the_fst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index2`
[INFO] [stdout]    --> src/main.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let index2: usize = index as usize;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_index2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "76f043f7f5d4e846c14e58be314ae78970d45654594986a9b9c90eaf4df7fdde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f043f7f5d4e846c14e58be314ae78970d45654594986a9b9c90eaf4df7fdde", kill_on_drop: false }`
[INFO] [stdout] 76f043f7f5d4e846c14e58be314ae78970d45654594986a9b9c90eaf4df7fdde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 23c7d8b5689f7f45f0adf9e39888f265900a61074d2dc93bd8ab12b1b5d8b188
[INFO] running `Command { std: "docker" "start" "-a" "23c7d8b5689f7f45f0adf9e39888f265900a61074d2dc93bd8ab12b1b5d8b188", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `pi1`
[INFO] [stderr]   --> src/main.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |     let pi1: f32 = 3.1415926;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_pi1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_subscribe`
[INFO] [stderr]   --> src/main.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let is_subscribe: bool = true;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_subscribe`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_not_sub`
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let is_not_sub: bool = false;
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_not_sub`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_char`
[INFO] [stderr]   --> src/main.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let my_char = 'à';
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_char`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `my_string`
[INFO] [stderr]   --> src/main.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |     let my_string: &str = "hello word";
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_string`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fst`
[INFO] [stderr]   --> src/main.rs:89:10
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_fst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `snd`
[INFO] [stderr]   --> src/main.rs:89:15
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stderr]    |               ^^^ help: if this is intentional, prefix it with an underscore: `_snd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `trd`
[INFO] [stderr]   --> src/main.rs:89:20
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (fst, snd, trd) = (1, 2, 3);
[INFO] [stderr]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_trd`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `the_fst`
[INFO] [stderr]   --> src/main.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let the_fst = winner.0;
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_the_fst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index2`
[INFO] [stderr]    --> src/main.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let index2: usize = index as usize;
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_index2`
[INFO] [stderr] 
[INFO] [stderr] warning: `cour-1` (bin "cour-1" test) generated 10 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cour_1-1f06eacf7af450b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23c7d8b5689f7f45f0adf9e39888f265900a61074d2dc93bd8ab12b1b5d8b188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c7d8b5689f7f45f0adf9e39888f265900a61074d2dc93bd8ab12b1b5d8b188", kill_on_drop: false }`
[INFO] [stdout] 23c7d8b5689f7f45f0adf9e39888f265900a61074d2dc93bd8ab12b1b5d8b188