[INFO] cloning repository https://github.com/meloncocoo/rust-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/meloncocoo/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloncocoo%2Frust-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloncocoo%2Frust-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ec53d00c556b691e4e7dd9165980273610a795de [INFO] checking meloncocoo/rust-learning against master#6a9758d4f38d4763bd437c48fa7e5246cecf8d04 for pr-124355 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloncocoo%2Frust-learning" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/meloncocoo/rust-learning on toolchain 6a9758d4f38d4763bd437c48fa7e5246cecf8d04 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/meloncocoo/rust-learning [INFO] finished tweaking git repo https://github.com/meloncocoo/rust-learning [INFO] tweaked toml for git repo https://github.com/meloncocoo/rust-learning written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/meloncocoo/rust-learning 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" "+6a9758d4f38d4763bd437c48fa7e5246cecf8d04" "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 meloncocoo/rust-learning against try#99e7531f0d1cf95a50aff9cccb24863963e6bbe2 for pr-124355 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmeloncocoo%2Frust-learning" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/meloncocoo/rust-learning on toolchain 99e7531f0d1cf95a50aff9cccb24863963e6bbe2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/meloncocoo/rust-learning [INFO] finished tweaking git repo https://github.com/meloncocoo/rust-learning [INFO] tweaked toml for git repo https://github.com/meloncocoo/rust-learning written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/meloncocoo/rust-learning 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" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86d3c0375226d8713847d46d37c26e8263df9c40a7ef74f20dcecfd684cadaf7 [INFO] running `Command { std: "docker" "start" "-a" "86d3c0375226d8713847d46d37c26e8263df9c40a7ef74f20dcecfd684cadaf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86d3c0375226d8713847d46d37c26e8263df9c40a7ef74f20dcecfd684cadaf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86d3c0375226d8713847d46d37c26e8263df9c40a7ef74f20dcecfd684cadaf7", kill_on_drop: false }` [INFO] [stdout] 86d3c0375226d8713847d46d37c26e8263df9c40a7ef74f20dcecfd684cadaf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+99e7531f0d1cf95a50aff9cccb24863963e6bbe2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad53fc4bb9466e63f9df009677badc36e7b5bceabe2b8b83888034c4ac7fc226 [INFO] running `Command { std: "docker" "start" "-a" "ad53fc4bb9466e63f9df009677badc36e7b5bceabe2b8b83888034c4ac7fc226", kill_on_drop: false }` [INFO] [stderr] Checking generics v0.1.0 (/opt/rustwide/workdir/generics) [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep) [INFO] [stderr] Checking pointer v0.1.0 (/opt/rustwide/workdir/pointer) [INFO] [stderr] Checking closure v0.1.0 (/opt/rustwide/workdir/closure) [INFO] [stderr] Checking testing v0.1.0 (/opt/rustwide/workdir/testing) [INFO] [stderr] Checking guess v0.1.0 (/opt/rustwide/workdir/guess) [INFO] [stderr] Checking collections v0.1.0 (/opt/rustwide/workdir/collections) [INFO] [stderr] Checking patterns v0.1.0 (/opt/rustwide/workdir/patterns) [INFO] [stderr] Checking concurrent v0.1.0 (/opt/rustwide/workdir/concurrent) [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir/hello_world) [INFO] [stderr] Checking oop v0.1.0 (/opt/rustwide/workdir/oop) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> collections/src/vector.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 36 | Int(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> collections/src/vector.rs:37:15 [INFO] [stdout] | [INFO] [stdout] 37 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> collections/src/vector.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 38 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> collections/src/vector.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | Int(i32), [INFO] [stdout] | --- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 36 | Int(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> collections/src/vector.rs:37:15 [INFO] [stdout] | [INFO] [stdout] 37 | Float(f64), [INFO] [stdout] | ----- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 | Float(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> collections/src/vector.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | Text(String), [INFO] [stdout] | ---- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 38 | Text(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "ad53fc4bb9466e63f9df009677badc36e7b5bceabe2b8b83888034c4ac7fc226", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad53fc4bb9466e63f9df009677badc36e7b5bceabe2b8b83888034c4ac7fc226", kill_on_drop: false }` [INFO] [stdout] ad53fc4bb9466e63f9df009677badc36e7b5bceabe2b8b83888034c4ac7fc226