[INFO] fetching crate io-truncate 0.1.0...
[INFO] testing io-truncate-0.1.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate io-truncate 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate io-truncate 0.1.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-truncate 0.1.0
[INFO] finished tweaking crates.io crate io-truncate 0.1.0
[INFO] tweaked toml for crates.io crate io-truncate 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cebc0fc86a559f799201cda90da5f55d21ecf91c78a9c71d3e77204c40adc02b
[INFO] running `Command { std: "docker" "start" "-a" "cebc0fc86a559f799201cda90da5f55d21ecf91c78a9c71d3e77204c40adc02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cebc0fc86a559f799201cda90da5f55d21ecf91c78a9c71d3e77204c40adc02b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebc0fc86a559f799201cda90da5f55d21ecf91c78a9c71d3e77204c40adc02b", kill_on_drop: false }`
[INFO] [stdout] cebc0fc86a559f799201cda90da5f55d21ecf91c78a9c71d3e77204c40adc02b
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b857a43d92d370aa327843c5804b6ce539358e6072a43d2e12e86b1d5f97fc31
[INFO] running `Command { std: "docker" "start" "-a" "b857a43d92d370aa327843c5804b6ce539358e6072a43d2e12e86b1d5f97fc31", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-truncate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b857a43d92d370aa327843c5804b6ce539358e6072a43d2e12e86b1d5f97fc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b857a43d92d370aa327843c5804b6ce539358e6072a43d2e12e86b1d5f97fc31", kill_on_drop: false }`
[INFO] [stdout] b857a43d92d370aa327843c5804b6ce539358e6072a43d2e12e86b1d5f97fc31
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 470d301db6c9c2c7ac8120dad8c1619a3d273c32d0327671120471bfe1e34de5
[INFO] running `Command { std: "docker" "start" "-a" "470d301db6c9c2c7ac8120dad8c1619a3d273c32d0327671120471bfe1e34de5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[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 tempfile v3.2.0
[INFO] [stderr]    Compiling io-truncate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "470d301db6c9c2c7ac8120dad8c1619a3d273c32d0327671120471bfe1e34de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470d301db6c9c2c7ac8120dad8c1619a3d273c32d0327671120471bfe1e34de5", kill_on_drop: false }`
[INFO] [stdout] 470d301db6c9c2c7ac8120dad8c1619a3d273c32d0327671120471bfe1e34de5
[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=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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 686dbe81c724edcdc411a733b50625074dfcd79c5024462394d124b2c0d031bc
[INFO] running `Command { std: "docker" "start" "-a" "686dbe81c724edcdc411a733b50625074dfcd79c5024462394d124b2c0d031bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_truncate-34a3842b852106a5)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests io-truncate
[INFO] [stdout] test tests::slice ... ok
[INFO] [stdout] test tests::file ... ok
[INFO] [stdout] test tests::vec ... ok
[INFO] [stdout] test tests::cursor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Truncate::truncate (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "686dbe81c724edcdc411a733b50625074dfcd79c5024462394d124b2c0d031bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686dbe81c724edcdc411a733b50625074dfcd79c5024462394d124b2c0d031bc", kill_on_drop: false }`
[INFO] [stdout] 686dbe81c724edcdc411a733b50625074dfcd79c5024462394d124b2c0d031bc