[INFO] cloning repository https://github.com/restOnMe/rust_tutorial [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/restOnMe/rust_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrestOnMe%2Frust_tutorial", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrestOnMe%2Frust_tutorial'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1f57e1fec0a2ec7cceaafb17b54211108b79bb02 [INFO] checking restOnMe/rust_tutorial/1f57e1fec0a2ec7cceaafb17b54211108b79bb02 against master#ff0b4b6091a75ad840035a991426c8bc9fbd93bb for pr-117673 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrestOnMe%2Frust_tutorial" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/restOnMe/rust_tutorial on toolchain ff0b4b6091a75ad840035a991426c8bc9fbd93bb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] finished tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] tweaked toml for git repo https://github.com/restOnMe/rust_tutorial written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/restOnMe/rust_tutorial 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" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking restOnMe/rust_tutorial/1f57e1fec0a2ec7cceaafb17b54211108b79bb02 against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrestOnMe%2Frust_tutorial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/restOnMe/rust_tutorial on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] finished tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] tweaked toml for git repo https://github.com/restOnMe/rust_tutorial written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/restOnMe/rust_tutorial 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" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking restOnMe/rust_tutorial/1f57e1fec0a2ec7cceaafb17b54211108b79bb02 against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrestOnMe%2Frust_tutorial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/restOnMe/rust_tutorial on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] finished tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] tweaked toml for git repo https://github.com/restOnMe/rust_tutorial written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/restOnMe/rust_tutorial 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" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking restOnMe/rust_tutorial/1f57e1fec0a2ec7cceaafb17b54211108b79bb02 against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FrestOnMe%2Frust_tutorial" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/restOnMe/rust_tutorial on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] finished tweaking git repo https://github.com/restOnMe/rust_tutorial [INFO] tweaked toml for git repo https://github.com/restOnMe/rust_tutorial written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/restOnMe/rust_tutorial 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" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6fd8160a9ed1537ee76fde736c42c1f92cce61276833473d0a42e7cbdccf2d9d [INFO] running `Command { std: "docker" "start" "-a" "6fd8160a9ed1537ee76fde736c42c1f92cce61276833473d0a42e7cbdccf2d9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fd8160a9ed1537ee76fde736c42c1f92cce61276833473d0a42e7cbdccf2d9d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fd8160a9ed1537ee76fde736c42c1f92cce61276833473d0a42e7cbdccf2d9d", kill_on_drop: false }` [INFO] [stdout] 6fd8160a9ed1537ee76fde736c42c1f92cce61276833473d0a42e7cbdccf2d9d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 39571065c5aae518ca44f686515589a77b08ec714abdfda3178711c64f165cbb [INFO] running `Command { std: "docker" "start" "-a" "39571065c5aae518ca44f686515589a77b08ec714abdfda3178711c64f165cbb", kill_on_drop: false }` [INFO] [stderr] Checking day_1 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0601]: `main` function not found in crate `day_1` [INFO] [stdout] | [INFO] [stdout] = note: consider adding a `main` function to `src/main.rs` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0601`. [INFO] [stdout] [INFO] [stderr] error: could not compile `day_1` (bin "day_1") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/variables.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let y = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/variables.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let y = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/bin/numbers.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut y: i32 = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/bin/numbers.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | y = x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> src/bin/numbers.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let mut y: i32 = 5; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> src/bin/numbers.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | y = x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/numbers.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let y: f32 = 0.12; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/bin/numbers.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let z = 0.01_f64; // float64 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/bin/numbers.rs:67:9 [INFO] [stdout] | [INFO] [stdout] 67 | let y: f32 = 0.12; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> src/bin/numbers.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | let z = 0.01_f64; // float64 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "39571065c5aae518ca44f686515589a77b08ec714abdfda3178711c64f165cbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39571065c5aae518ca44f686515589a77b08ec714abdfda3178711c64f165cbb", kill_on_drop: false }` [INFO] [stdout] 39571065c5aae518ca44f686515589a77b08ec714abdfda3178711c64f165cbb