[INFO] fetching crate value-trait 0.2.8...
[INFO] testing value-trait-0.2.8 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate value-trait 0.2.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate value-trait 0.2.8 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate value-trait 0.2.8
[INFO] finished tweaking crates.io crate value-trait 0.2.8
[INFO] tweaked toml for crates.io crate value-trait 0.2.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] consider adding `cargo-features = ["rust-version"]` to the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e630bd4849fdada731af90a504fc12db93fc79909367a9f8278296bcf6d11557
[INFO] running `Command { std: "docker" "start" "-a" "e630bd4849fdada731af90a504fc12db93fc79909367a9f8278296bcf6d11557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e630bd4849fdada731af90a504fc12db93fc79909367a9f8278296bcf6d11557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e630bd4849fdada731af90a504fc12db93fc79909367a9f8278296bcf6d11557", kill_on_drop: false }`
[INFO] [stdout] e630bd4849fdada731af90a504fc12db93fc79909367a9f8278296bcf6d11557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f54eef74e35294a14caa5260c7e22744f3aa1f2b7dfdfe762d0f5eef260da61b
[INFO] running `Command { std: "docker" "start" "-a" "f54eef74e35294a14caa5260c7e22744f3aa1f2b7dfdfe762d0f5eef260da61b", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] consider adding `cargo-features = ["rust-version"]` to the manifest
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling halfbrown v0.1.11
[INFO] [stderr]    Compiling value-trait v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `Command { std: "docker" "inspect" "f54eef74e35294a14caa5260c7e22744f3aa1f2b7dfdfe762d0f5eef260da61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f54eef74e35294a14caa5260c7e22744f3aa1f2b7dfdfe762d0f5eef260da61b", kill_on_drop: false }`
[INFO] [stdout] f54eef74e35294a14caa5260c7e22744f3aa1f2b7dfdfe762d0f5eef260da61b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15d74e5b1a2e2bc062f0954c675249a2b15b245d35f226172b74c163837b9bbe
[INFO] running `Command { std: "docker" "start" "-a" "15d74e5b1a2e2bc062f0954c675249a2b15b245d35f226172b74c163837b9bbe", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] consider adding `cargo-features = ["rust-version"]` to the manifest
[INFO] [stderr]    Compiling value-trait v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "15d74e5b1a2e2bc062f0954c675249a2b15b245d35f226172b74c163837b9bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d74e5b1a2e2bc062f0954c675249a2b15b245d35f226172b74c163837b9bbe", kill_on_drop: false }`
[INFO] [stdout] 15d74e5b1a2e2bc062f0954c675249a2b15b245d35f226172b74c163837b9bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 493b6e2ce54e21a7a846203d74dcf5a7ba9ec211c90351949c6deb447f7aa52f
[INFO] running `Command { std: "docker" "start" "-a" "493b6e2ce54e21a7a846203d74dcf5a7ba9ec211c90351949c6deb447f7aa52f", kill_on_drop: false }`
[INFO] [stderr] warning: `rust-version` is not supported on this version of Cargo and will be ignored
[INFO] [stderr] 
[INFO] [stderr] consider adding `cargo-features = ["rust-version"]` to the manifest
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/value_trait-f7781ef3e340be37)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests value-trait
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "493b6e2ce54e21a7a846203d74dcf5a7ba9ec211c90351949c6deb447f7aa52f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493b6e2ce54e21a7a846203d74dcf5a7ba9ec211c90351949c6deb447f7aa52f", kill_on_drop: false }`
[INFO] [stdout] 493b6e2ce54e21a7a846203d74dcf5a7ba9ec211c90351949c6deb447f7aa52f