[INFO] cloning repository https://github.com/Gr8th1ngy/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gr8th1ngy/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGr8th1ngy%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGr8th1ngy%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9b7a7ea7670a2ab0a264765fae02024be81590d
[INFO] checking Gr8th1ngy/learning-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGr8th1ngy%2Flearning-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  42% (118/276)   
Checking out files:  43% (119/276)   
Checking out files:  44% (122/276)   
Checking out files:  45% (125/276)   
Checking out files:  46% (127/276)   
Checking out files:  47% (130/276)   
Checking out files:  48% (133/276)   
Checking out files:  49% (136/276)   
Checking out files:  50% (138/276)   
Checking out files:  51% (141/276)   
Checking out files:  52% (144/276)   
Checking out files:  53% (147/276)   
Checking out files:  54% (150/276)   
Checking out files:  55% (152/276)   
Checking out files:  56% (155/276)   
Checking out files:  57% (158/276)   
Checking out files:  58% (161/276)   
Checking out files:  59% (163/276)   
Checking out files:  60% (166/276)   
Checking out files:  61% (169/276)   
Checking out files:  62% (172/276)   
Checking out files:  63% (174/276)   
Checking out files:  64% (177/276)   
Checking out files:  65% (180/276)   
Checking out files:  66% (183/276)   
Checking out files:  67% (185/276)   
Checking out files:  68% (188/276)   
Checking out files:  69% (191/276)   
Checking out files:  70% (194/276)   
Checking out files:  71% (196/276)   
Checking out files:  72% (199/276)   
Checking out files:  73% (202/276)   
Checking out files:  74% (205/276)   
Checking out files:  75% (207/276)   
Checking out files:  76% (210/276)   
Checking out files:  77% (213/276)   
Checking out files:  78% (216/276)   
Checking out files:  79% (219/276)   
Checking out files:  80% (221/276)   
Checking out files:  81% (224/276)   
Checking out files:  82% (227/276)   
Checking out files:  83% (230/276)   
Checking out files:  84% (232/276)   
Checking out files:  85% (235/276)   
Checking out files:  86% (238/276)   
Checking out files:  87% (241/276)   
Checking out files:  88% (243/276)   
Checking out files:  89% (246/276)   
Checking out files:  90% (249/276)   
Checking out files:  91% (252/276)   
Checking out files:  92% (254/276)   
Checking out files:  93% (257/276)   
Checking out files:  94% (260/276)   
Checking out files:  95% (263/276)   
Checking out files:  96% (265/276)   
Checking out files:  97% (268/276)   
Checking out files:  98% (271/276)   
Checking out files:  99% (274/276)   
Checking out files: 100% (276/276)   
Checking out files: 100% (276/276), done.
[INFO] validating manifest of git repo https://github.com/Gr8th1ngy/learning-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gr8th1ngy/learning-rust
[INFO] finished tweaking git repo https://github.com/Gr8th1ngy/learning-rust
[INFO] tweaked toml for git repo https://github.com/Gr8th1ngy/learning-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gr8th1ngy/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0b00b9981b58c371347cbe5813571b46defea61f3416c08ccadfc9750775464
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f0b00b9981b58c371347cbe5813571b46defea61f3416c08ccadfc9750775464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0b00b9981b58c371347cbe5813571b46defea61f3416c08ccadfc9750775464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b00b9981b58c371347cbe5813571b46defea61f3416c08ccadfc9750775464", kill_on_drop: false }`
[INFO] [stdout] f0b00b9981b58c371347cbe5813571b46defea61f3416c08ccadfc9750775464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b00d2002b3c771d8fcb13330046224f61b5cc3dc8dd682eca50d1a8cac2e954
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b00d2002b3c771d8fcb13330046224f61b5cc3dc8dd682eca50d1a8cac2e954", kill_on_drop: false }`
[INFO] [stderr]     Checking learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 47 |             std::process::exit (1);
[INFO] [stdout]    |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 48 |             println!( "Quitting {}" , 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 47 |             std::process::exit (1);
[INFO] [stdout]    |             ---------------------- any code following this expression is unreachable
[INFO] [stdout] 48 |             println!( "Quitting {}" , 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "3b00d2002b3c771d8fcb13330046224f61b5cc3dc8dd682eca50d1a8cac2e954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b00d2002b3c771d8fcb13330046224f61b5cc3dc8dd682eca50d1a8cac2e954", kill_on_drop: false }`
[INFO] [stdout] 3b00d2002b3c771d8fcb13330046224f61b5cc3dc8dd682eca50d1a8cac2e954