[INFO] fetching crate runnel 0.3.7...
[INFO] testing runnel-0.3.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate runnel 0.3.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate runnel 0.3.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate runnel 0.3.7
[INFO] finished tweaking crates.io crate runnel 0.3.7
[INFO] tweaked toml for crates.io crate runnel 0.3.7 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffeb508999ae28f4482e4324406c16fd2932561b6ac217f8e75c2e785ad63aa8
[INFO] running `Command { std: "docker" "start" "-a" "ffeb508999ae28f4482e4324406c16fd2932561b6ac217f8e75c2e785ad63aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffeb508999ae28f4482e4324406c16fd2932561b6ac217f8e75c2e785ad63aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffeb508999ae28f4482e4324406c16fd2932561b6ac217f8e75c2e785ad63aa8", kill_on_drop: false }`
[INFO] [stdout] ffeb508999ae28f4482e4324406c16fd2932561b6ac217f8e75c2e785ad63aa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 810928c14ef07fc62ff9c11221f0631a57277f0d789dbc692e57fcec5ec8f672
[INFO] running `Command { std: "docker" "start" "-a" "810928c14ef07fc62ff9c11221f0631a57277f0d789dbc692e57fcec5ec8f672", kill_on_drop: false }`
[INFO] [stderr]    Compiling runnel v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "810928c14ef07fc62ff9c11221f0631a57277f0d789dbc692e57fcec5ec8f672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810928c14ef07fc62ff9c11221f0631a57277f0d789dbc692e57fcec5ec8f672", kill_on_drop: false }`
[INFO] [stdout] 810928c14ef07fc62ff9c11221f0631a57277f0d789dbc692e57fcec5ec8f672
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8d7fcabb041ac2b1e2ca6a0c743cfe5a79ad0824e00eb79b7897b85b630f8d0
[INFO] running `Command { std: "docker" "start" "-a" "e8d7fcabb041ac2b1e2ca6a0c743cfe5a79ad0824e00eb79b7897b85b630f8d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling runnel v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.19s
[INFO] running `Command { std: "docker" "inspect" "e8d7fcabb041ac2b1e2ca6a0c743cfe5a79ad0824e00eb79b7897b85b630f8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d7fcabb041ac2b1e2ca6a0c743cfe5a79ad0824e00eb79b7897b85b630f8d0", kill_on_drop: false }`
[INFO] [stdout] e8d7fcabb041ac2b1e2ca6a0c743cfe5a79ad0824e00eb79b7897b85b630f8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 909ea260ffb507e2856f10b24fe89f299e469e50d20ecb7bed6afbbbcba3fd9d
[INFO] running `Command { std: "docker" "start" "-a" "909ea260ffb507e2856f10b24fe89f299e469e50d20ecb7bed6afbbbcba3fd9d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/runnel-ceb823870a592371)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test medium::stringio::test_stringio::test_in ... ok
[INFO] [stdout] test medium::stringio::test_stringio::test_out ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-63d013791e739e2c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_runnel::test_size ... ok
[INFO] [stdout] test test_runnel::test_debug_runnel_ioe ... ok
[INFO] [stdout] test test_runnel::test_debug_runnel_ioe_builder ... ok
[INFO] [stdout] test test_runnel::test_stdio ... ok
[INFO] [stdout] test test_runnel::test_stringio ... ok
[INFO] [stdout] test test_runnel::test_pipeio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_pipeio.rs (/opt/rustwide/target/debug/deps/test_pipeio-a58fca6e0dc76b22)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_pipeio::test_size ... ok
[INFO] [stdout] test test_stream_ioe_pipeio::test_ioe_pipeerr ... ok
[INFO] [stdout] test test_stream_ioe_pipeio::test_ioe_pipeie ... ok
[INFO] [stdout] test test_stream_ioe_pipeio::test_ioe_pipeout ... ok
[INFO] [stdout] test test_stream_ioe_pipeio::test_ioe_pipeio ... ok
[INFO] [stdout] test test_stream_ioe_pipeio::test_ioe_pipein ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_stdio.rs (/opt/rustwide/target/debug/deps/test_stdio-321b85ec55753165)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_stdio::test_size ... 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] [stderr]      Running tests/test_stringio.rs (/opt/rustwide/target/debug/deps/test_stringio-b535bca6638c019f)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_stream_ioe_stringio::test_ioe ... ok
[INFO] [stdout] test test_stream_stringio::test_err ... ok
[INFO] [stdout] test test_stream_stringio::test_out ... ok
[INFO] [stdout] test test_stringio::test_size ... ok
[INFO] [stdout] test test_stream_stringio::test_in ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests runnel
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - RunnelIoeBuilder (line 208) ... ok
[INFO] [stdout] test src/lib.rs - RunnelIoeBuilder (line 223) ... ok
[INFO] [stdout] test src/lib.rs - RunnelIoeBuilder (line 183) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - RunnelIoeBuilder (line 193) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "909ea260ffb507e2856f10b24fe89f299e469e50d20ecb7bed6afbbbcba3fd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909ea260ffb507e2856f10b24fe89f299e469e50d20ecb7bed6afbbbcba3fd9d", kill_on_drop: false }`
[INFO] [stdout] 909ea260ffb507e2856f10b24fe89f299e469e50d20ecb7bed6afbbbcba3fd9d