[INFO] cloning repository https://github.com/egetelli/hello-world-cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/egetelli/hello-world-cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegetelli%2Fhello-world-cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegetelli%2Fhello-world-cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a8b2e51a00dc206057f57381494ddcc6e6b4ff2
[INFO] checking egetelli/hello-world-cargo against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fegetelli%2Fhello-world-cargo" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/egetelli/hello-world-cargo on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/egetelli/hello-world-cargo
[INFO] finished tweaking git repo https://github.com/egetelli/hello-world-cargo
[INFO] tweaked toml for git repo https://github.com/egetelli/hello-world-cargo written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/egetelli/hello-world-cargo 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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_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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de6380b449207adf88021f4bbab7021314f7aa75a15088344bdc3ab5f057f4b
[INFO] running `Command { std: "docker" "start" "-a" "5de6380b449207adf88021f4bbab7021314f7aa75a15088344bdc3ab5f057f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de6380b449207adf88021f4bbab7021314f7aa75a15088344bdc3ab5f057f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de6380b449207adf88021f4bbab7021314f7aa75a15088344bdc3ab5f057f4b", kill_on_drop: false }`
[INFO] [stdout] 5de6380b449207adf88021f4bbab7021314f7aa75a15088344bdc3ab5f057f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ed94bb5480bb93358efb5f4631330a14abd400f8dfb314b00592f75f3f8752
[INFO] running `Command { std: "docker" "start" "-a" "89ed94bb5480bb93358efb5f4631330a14abd400f8dfb314b00592f75f3f8752", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-world-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x = 45;
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut y = 60;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut f = 5.5;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pazartesi`, `Carsamba`, `Persembe`, `Cuma`, `Cumartesi`, and `Pazar` are never constructed
[INFO] [stdout]    --> src/main.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | enum Gunler {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 150 |     Pazartesi,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 151 |     Sali,
[INFO] [stdout] 152 |     Carsamba,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 153 |     Persembe,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 154 |     Cuma,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 155 |     Cumartesi,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 156 |     Pazar,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[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]  --> src/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut x = 45;
[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: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut y = 60;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut f = 5.5;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pazartesi`, `Carsamba`, `Persembe`, `Cuma`, `Cumartesi`, and `Pazar` are never constructed
[INFO] [stdout]    --> src/main.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | enum Gunler {
[INFO] [stdout]     |      ------ variants in this enum
[INFO] [stdout] 150 |     Pazartesi,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 151 |     Sali,
[INFO] [stdout] 152 |     Carsamba,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 153 |     Persembe,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 154 |     Cuma,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 155 |     Cumartesi,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 156 |     Pazar,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "89ed94bb5480bb93358efb5f4631330a14abd400f8dfb314b00592f75f3f8752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ed94bb5480bb93358efb5f4631330a14abd400f8dfb314b00592f75f3f8752", kill_on_drop: false }`
[INFO] [stdout] 89ed94bb5480bb93358efb5f4631330a14abd400f8dfb314b00592f75f3f8752