[INFO] cloning repository https://github.com/dureuill/delegate_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dureuill/delegate_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdureuill%2Fdelegate_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdureuill%2Fdelegate_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dac329fb50ad0bb151ce8b8f43b826aa602d74a5
[INFO] checking dureuill/delegate_test against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdureuill%2Fdelegate_test" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dureuill/delegate_test on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-41/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dureuill/delegate_test
[INFO] finished tweaking git repo https://github.com/dureuill/delegate_test
[INFO] tweaked toml for git repo https://github.com/dureuill/delegate_test written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/dureuill/delegate_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffe50873e3304e2fbc523d23cd8177d9158a9e4981321d445d63e1832b2d2cc0
[INFO] running `Command { std: "docker" "start" "-a" "ffe50873e3304e2fbc523d23cd8177d9158a9e4981321d445d63e1832b2d2cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffe50873e3304e2fbc523d23cd8177d9158a9e4981321d445d63e1832b2d2cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffe50873e3304e2fbc523d23cd8177d9158a9e4981321d445d63e1832b2d2cc0", kill_on_drop: false }`
[INFO] [stdout] ffe50873e3304e2fbc523d23cd8177d9158a9e4981321d445d63e1832b2d2cc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b2e79adf3359f555f008460e9660be259c506831e8415b08e60b0e74a59acf
[INFO] running `Command { std: "docker" "start" "-a" "42b2e79adf3359f555f008460e9660be259c506831e8415b08e60b0e74a59acf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling delegable-derive v0.3.0 (https://github.com/dureuill/delegable-derive#64822604)
[INFO] [stderr]     Checking worker-trait v0.1.0 (/opt/rustwide/workdir/worker-trait)
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> worker-trait/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking worker-type v0.1.0 (/opt/rustwide/workdir/worker-type)
[INFO] [stderr]     Checking boss-type v0.1.0 (/opt/rustwide/workdir/boss-type)
[INFO] [stderr]     Checking rust_delegate_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "42b2e79adf3359f555f008460e9660be259c506831e8415b08e60b0e74a59acf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b2e79adf3359f555f008460e9660be259c506831e8415b08e60b0e74a59acf", kill_on_drop: false }`
[INFO] [stdout] 42b2e79adf3359f555f008460e9660be259c506831e8415b08e60b0e74a59acf