[INFO] fetching crate kctf-pow 1.2.0...
[INFO] testing kctf-pow-1.2.0 against master#595316b4006932405a63862d8fe65f71a6356293 for pr-128254
[INFO] extracting crate kctf-pow 1.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate kctf-pow 1.2.0 on toolchain 595316b4006932405a63862d8fe65f71a6356293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kctf-pow 1.2.0
[INFO] finished tweaking crates.io crate kctf-pow 1.2.0
[INFO] tweaked toml for crates.io crate kctf-pow 1.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate kctf-pow 1.2.0 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" "+595316b4006932405a63862d8fe65f71a6356293" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.12.0
[INFO] [stderr]   Downloaded az v1.1.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ae8da344a840f236ecd1dd2674f358a28ee8e3ff25d47f09dff2d4d30529232
[INFO] running `Command { std: "docker" "start" "-a" "3ae8da344a840f236ecd1dd2674f358a28ee8e3ff25d47f09dff2d4d30529232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ae8da344a840f236ecd1dd2674f358a28ee8e3ff25d47f09dff2d4d30529232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae8da344a840f236ecd1dd2674f358a28ee8e3ff25d47f09dff2d4d30529232", kill_on_drop: false }`
[INFO] [stdout] 3ae8da344a840f236ecd1dd2674f358a28ee8e3ff25d47f09dff2d4d30529232
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecbe1eb10e2bd9db9d6d6083aebbe83d377a4e0ff4a29348b1a7a356926135aa
[INFO] running `Command { std: "docker" "start" "-a" "ecbe1eb10e2bd9db9d6d6083aebbe83d377a4e0ff4a29348b1a7a356926135aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling kctf-pow v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 41s
[INFO] running `Command { std: "docker" "inspect" "ecbe1eb10e2bd9db9d6d6083aebbe83d377a4e0ff4a29348b1a7a356926135aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbe1eb10e2bd9db9d6d6083aebbe83d377a4e0ff4a29348b1a7a356926135aa", kill_on_drop: false }`
[INFO] [stdout] ecbe1eb10e2bd9db9d6d6083aebbe83d377a4e0ff4a29348b1a7a356926135aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9b9b9ae2ac98a5f2ae039d69bee9cf529d0ce166e8fb07f7d3eac5c55c181f
[INFO] running `Command { std: "docker" "start" "-a" "ef9b9b9ae2ac98a5f2ae039d69bee9cf529d0ce166e8fb07f7d3eac5c55c181f", kill_on_drop: false }`
[INFO] [stderr]    Compiling kctf-pow v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "ef9b9b9ae2ac98a5f2ae039d69bee9cf529d0ce166e8fb07f7d3eac5c55c181f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9b9b9ae2ac98a5f2ae039d69bee9cf529d0ce166e8fb07f7d3eac5c55c181f", kill_on_drop: false }`
[INFO] [stdout] ef9b9b9ae2ac98a5f2ae039d69bee9cf529d0ce166e8fb07f7d3eac5c55c181f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+595316b4006932405a63862d8fe65f71a6356293" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bf8182f56c69562341ef6ebc45244d8e5ee2bb9c35e7fd585165fcbbf360ba6
[INFO] running `Command { std: "docker" "start" "-a" "0bf8182f56c69562341ef6ebc45244d8e5ee2bb9c35e7fd585165fcbbf360ba6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kctf_pow-92f7e9eb6d9e1e8c)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/kctf_pow-722b5cf3a60a6cb6)
[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] [stderr]    Doc-tests kctf_pow
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 2) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bf8182f56c69562341ef6ebc45244d8e5ee2bb9c35e7fd585165fcbbf360ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf8182f56c69562341ef6ebc45244d8e5ee2bb9c35e7fd585165fcbbf360ba6", kill_on_drop: false }`
[INFO] [stdout] 0bf8182f56c69562341ef6ebc45244d8e5ee2bb9c35e7fd585165fcbbf360ba6
[INFO] testing kctf-pow-1.2.0 against try#5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b for pr-128254
[INFO] extracting crate kctf-pow 1.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate kctf-pow 1.2.0 on toolchain 5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kctf-pow 1.2.0
[INFO] finished tweaking crates.io crate kctf-pow 1.2.0
[INFO] tweaked toml for crates.io crate kctf-pow 1.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate kctf-pow 1.2.0 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" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9713ea6a7ce7f1056f21fc2a29127e267e1d413389f33ba9c660090eb3c83e7
[INFO] running `Command { std: "docker" "start" "-a" "a9713ea6a7ce7f1056f21fc2a29127e267e1d413389f33ba9c660090eb3c83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9713ea6a7ce7f1056f21fc2a29127e267e1d413389f33ba9c660090eb3c83e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9713ea6a7ce7f1056f21fc2a29127e267e1d413389f33ba9c660090eb3c83e7", kill_on_drop: false }`
[INFO] [stdout] a9713ea6a7ce7f1056f21fc2a29127e267e1d413389f33ba9c660090eb3c83e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5e89635d7bf1d3033c2eb20378b7b3cbe2dd1a9b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8538ee705670bd18f9975cd31666ff9bf284b8b347a528640aa45998c54b9e83
[INFO] running `Command { std: "docker" "start" "-a" "8538ee705670bd18f9975cd31666ff9bf284b8b347a528640aa45998c54b9e83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.5
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rug v1.12.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "8538ee705670bd18f9975cd31666ff9bf284b8b347a528640aa45998c54b9e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8538ee705670bd18f9975cd31666ff9bf284b8b347a528640aa45998c54b9e83", kill_on_drop: false }`
[INFO] [stdout] 8538ee705670bd18f9975cd31666ff9bf284b8b347a528640aa45998c54b9e83