[INFO] fetching crate frut_std 0.0.4...
[INFO] testing frut_std-0.0.4 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate frut_std 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate frut_std 0.0.4
[INFO] finished tweaking crates.io crate frut_std 0.0.4
[INFO] tweaked toml for crates.io crate frut_std 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate frut_std 0.0.4 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate frut_std 0.0.4 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spinning_top v0.2.5
[INFO] [stderr]   Downloaded frut_lib v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15a435e0976b1b8e12ec1548051c31f89b33770718d6d53804dba14837c2e97e
[INFO] running `Command { std: "docker" "start" "-a" "15a435e0976b1b8e12ec1548051c31f89b33770718d6d53804dba14837c2e97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15a435e0976b1b8e12ec1548051c31f89b33770718d6d53804dba14837c2e97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a435e0976b1b8e12ec1548051c31f89b33770718d6d53804dba14837c2e97e", kill_on_drop: false }`
[INFO] [stdout] 15a435e0976b1b8e12ec1548051c31f89b33770718d6d53804dba14837c2e97e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7889a0d0273913bab24048505c03ea774e91eaaaeaa5b57ece7a45b8866ee6f
[INFO] running `Command { std: "docker" "start" "-a" "c7889a0d0273913bab24048505c03ea774e91eaaaeaa5b57ece7a45b8866ee6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling spinning_top v0.2.5
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling frut_lib v0.0.4
[INFO] [stderr]    Compiling frut_std v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "c7889a0d0273913bab24048505c03ea774e91eaaaeaa5b57ece7a45b8866ee6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7889a0d0273913bab24048505c03ea774e91eaaaeaa5b57ece7a45b8866ee6f", kill_on_drop: false }`
[INFO] [stdout] c7889a0d0273913bab24048505c03ea774e91eaaaeaa5b57ece7a45b8866ee6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d63aa3eab405d9a4eee042abfbbce47929acbe67474cf0dc92b9030c9147e8f5
[INFO] running `Command { std: "docker" "start" "-a" "d63aa3eab405d9a4eee042abfbbce47929acbe67474cf0dc92b9030c9147e8f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling frut_std v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "d63aa3eab405d9a4eee042abfbbce47929acbe67474cf0dc92b9030c9147e8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63aa3eab405d9a4eee042abfbbce47929acbe67474cf0dc92b9030c9147e8f5", kill_on_drop: false }`
[INFO] [stdout] d63aa3eab405d9a4eee042abfbbce47929acbe67474cf0dc92b9030c9147e8f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e2287a695832c8d48be2ebfc3f83a98ac5004e1b24bced6cb2c9c9a36e801727
[INFO] running `Command { std: "docker" "start" "-a" "e2287a695832c8d48be2ebfc3f83a98ac5004e1b24bced6cb2c9c9a36e801727", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/frut_std-0ff2626d58187b34)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests frut_std
[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] [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" "e2287a695832c8d48be2ebfc3f83a98ac5004e1b24bced6cb2c9c9a36e801727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2287a695832c8d48be2ebfc3f83a98ac5004e1b24bced6cb2c9c9a36e801727", kill_on_drop: false }`
[INFO] [stdout] e2287a695832c8d48be2ebfc3f83a98ac5004e1b24bced6cb2c9c9a36e801727