[INFO] fetching crate csf_benchmark 0.1.6...
[INFO] testing csf_benchmark-0.1.6 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210
[INFO] extracting crate csf_benchmark 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate csf_benchmark 0.1.6
[INFO] finished tweaking crates.io crate csf_benchmark 0.1.6
[INFO] tweaked toml for crates.io crate csf_benchmark 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate csf_benchmark 0.1.6 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 csf_benchmark 0.1.6 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
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[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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "3844aca09418e87c42a9b9df06d32455f7f6491014a74a34c1d70641618e6b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3844aca09418e87c42a9b9df06d32455f7f6491014a74a34c1d70641618e6b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3844aca09418e87c42a9b9df06d32455f7f6491014a74a34c1d70641618e6b0f", kill_on_drop: false }`
[INFO] [stdout] 3844aca09418e87c42a9b9df06d32455f7f6491014a74a34c1d70641618e6b0f
[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] 14e14e613ab1ad14c343e26b38832381d22ae26be4877c82dd527bfb505bece3
[INFO] running `Command { std: "docker" "start" "-a" "14e14e613ab1ad14c343e26b38832381d22ae26be4877c82dd527bfb505bece3", kill_on_drop: false }`
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[INFO] [stderr]    Compiling csf v0.2.0-alpha.2
[INFO] [stderr]    Compiling csf_benchmark v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `CAN_DETECT_ABSENCE` is never used
[INFO] [stdout]   --> src/function.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait CSFBuilder {
[INFO] [stdout]    |           ---------- associated constant in this trait
[INFO] [stdout] 10 |     const CAN_DETECT_ABSENCE: bool = true;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "14e14e613ab1ad14c343e26b38832381d22ae26be4877c82dd527bfb505bece3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e14e613ab1ad14c343e26b38832381d22ae26be4877c82dd527bfb505bece3", kill_on_drop: false }`
[INFO] [stdout] 14e14e613ab1ad14c343e26b38832381d22ae26be4877c82dd527bfb505bece3
[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] 855994c5703b409253820bf5c767df99de4af6772386b63e2583864d0897800e
[INFO] running `Command { std: "docker" "start" "-a" "855994c5703b409253820bf5c767df99de4af6772386b63e2583864d0897800e", kill_on_drop: false }`
[INFO] [stderr]    Compiling csf_benchmark v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `CAN_DETECT_ABSENCE` is never used
[INFO] [stdout]   --> src/function.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait CSFBuilder {
[INFO] [stdout]    |           ---------- associated constant in this trait
[INFO] [stdout] 10 |     const CAN_DETECT_ABSENCE: bool = true;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "855994c5703b409253820bf5c767df99de4af6772386b63e2583864d0897800e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "855994c5703b409253820bf5c767df99de4af6772386b63e2583864d0897800e", kill_on_drop: false }`
[INFO] [stdout] 855994c5703b409253820bf5c767df99de4af6772386b63e2583864d0897800e
[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] d977ebd6ff7c46e8f2f862e8391831b24086e44a380746ddca5b0098836319cc
[INFO] running `Command { std: "docker" "start" "-a" "d977ebd6ff7c46e8f2f862e8391831b24086e44a380746ddca5b0098836319cc", kill_on_drop: false }`
[INFO] [stderr] warning: associated constant `CAN_DETECT_ABSENCE` is never used
[INFO] [stderr]   --> src/function.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub trait CSFBuilder {
[INFO] [stderr]    |           ---------- associated constant in this trait
[INFO] [stderr] 10 |     const CAN_DETECT_ABSENCE: bool = true;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `csf_benchmark` (bin "csf_benchmark" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/csf_benchmark-0745a4cd57b9e096)
[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" "d977ebd6ff7c46e8f2f862e8391831b24086e44a380746ddca5b0098836319cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d977ebd6ff7c46e8f2f862e8391831b24086e44a380746ddca5b0098836319cc", kill_on_drop: false }`
[INFO] [stdout] d977ebd6ff7c46e8f2f862e8391831b24086e44a380746ddca5b0098836319cc