[INFO] cloning repository https://github.com/rvilim/cache_effects
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rvilim/cache_effects" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvilim%2Fcache_effects", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvilim%2Fcache_effects'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a34bcd147dd6fb47acb804c91b4ff2530cf10f89
[INFO] testing rvilim/cache_effects against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvilim%2Fcache_effects" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rvilim/cache_effects on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rvilim/cache_effects
[INFO] finished tweaking git repo https://github.com/rvilim/cache_effects
[INFO] tweaked toml for git repo https://github.com/rvilim/cache_effects written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rvilim/cache_effects already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 899b9d6dd69b729092b683c71d62c30d5f3632aaecfe2d8a6cb327f9df86a69c
[INFO] running `Command { std: "docker" "start" "-a" "899b9d6dd69b729092b683c71d62c30d5f3632aaecfe2d8a6cb327f9df86a69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "899b9d6dd69b729092b683c71d62c30d5f3632aaecfe2d8a6cb327f9df86a69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "899b9d6dd69b729092b683c71d62c30d5f3632aaecfe2d8a6cb327f9df86a69c", kill_on_drop: false }`
[INFO] [stdout] 899b9d6dd69b729092b683c71d62c30d5f3632aaecfe2d8a6cb327f9df86a69c
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fd9322cf3cb1aaf0bcee32751ca3162e2377b133abb1c9a7754a14ce8c4e72b
[INFO] running `Command { std: "docker" "start" "-a" "6fd9322cf3cb1aaf0bcee32751ca3162e2377b133abb1c9a7754a14ce8c4e72b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache_effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/bin/1.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "6fd9322cf3cb1aaf0bcee32751ca3162e2377b133abb1c9a7754a14ce8c4e72b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fd9322cf3cb1aaf0bcee32751ca3162e2377b133abb1c9a7754a14ce8c4e72b", kill_on_drop: false }`
[INFO] [stdout] 6fd9322cf3cb1aaf0bcee32751ca3162e2377b133abb1c9a7754a14ce8c4e72b
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1199cdaac0b6fafb2759d3c5587ba952fc9d62f417f26a2ea86b741e6977235
[INFO] running `Command { std: "docker" "start" "-a" "d1199cdaac0b6fafb2759d3c5587ba952fc9d62f417f26a2ea86b741e6977235", kill_on_drop: false }`
[INFO] [stderr]    Compiling cache_effects v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]  --> src/bin/1.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::{Duration, Instant};
[INFO] [stdout]   |                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "d1199cdaac0b6fafb2759d3c5587ba952fc9d62f417f26a2ea86b741e6977235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1199cdaac0b6fafb2759d3c5587ba952fc9d62f417f26a2ea86b741e6977235", kill_on_drop: false }`
[INFO] [stdout] d1199cdaac0b6fafb2759d3c5587ba952fc9d62f417f26a2ea86b741e6977235
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83fcd340c2dc892a6955757f9b4845a18c126ddca9504a144029b608ffa2bd23
[INFO] running `Command { std: "docker" "start" "-a" "83fcd340c2dc892a6955757f9b4845a18c126ddca9504a144029b608ffa2bd23", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/bin/1.rs:2:17
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use std::time::{Duration, Instant};
[INFO] [stdout] 
[INFO] [stderr]   |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 0 tests
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `cache_effects` (bin "1" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/1-cecf1d5b9b512982)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/2-d627220e8d8592d1)
[INFO] running `Command { std: "docker" "inspect" "83fcd340c2dc892a6955757f9b4845a18c126ddca9504a144029b608ffa2bd23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fcd340c2dc892a6955757f9b4845a18c126ddca9504a144029b608ffa2bd23", kill_on_drop: false }`
[INFO] [stdout] 83fcd340c2dc892a6955757f9b4845a18c126ddca9504a144029b608ffa2bd23