[INFO] fetching crate io-extras 0.19.0...
[INFO] testing io-extras-0.19.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate io-extras 0.19.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate io-extras 0.19.0
[INFO] finished tweaking crates.io crate io-extras 0.19.0
[INFO] tweaked toml for crates.io crate io-extras 0.19.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-extras 0.19.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate io-extras 0.19.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 302c50bdf65d90d718f1a4f490f90134c98669cd9908edc6cbf5a9a6e33c91f6
[INFO] running `Command { std: "docker" "start" "-a" "302c50bdf65d90d718f1a4f490f90134c98669cd9908edc6cbf5a9a6e33c91f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302c50bdf65d90d718f1a4f490f90134c98669cd9908edc6cbf5a9a6e33c91f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302c50bdf65d90d718f1a4f490f90134c98669cd9908edc6cbf5a9a6e33c91f6", kill_on_drop: false }`
[INFO] [stdout] 302c50bdf65d90d718f1a4f490f90134c98669cd9908edc6cbf5a9a6e33c91f6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e48247681b9318ab3c19b8f9d52469ca3da1e00b2149b8349b95373c970d3e06
[INFO] running `Command { std: "docker" "start" "-a" "e48247681b9318ab3c19b8f9d52469ca3da1e00b2149b8349b95373c970d3e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v3.0.1
[INFO] [stderr]    Compiling io-extras v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "e48247681b9318ab3c19b8f9d52469ca3da1e00b2149b8349b95373c970d3e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48247681b9318ab3c19b8f9d52469ca3da1e00b2149b8349b95373c970d3e06", kill_on_drop: false }`
[INFO] [stdout] e48247681b9318ab3c19b8f9d52469ca3da1e00b2149b8349b95373c970d3e06
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c81f91ccb63a04030a9c3829a22765fe5fe5405efb7b4c49a4ddd5ef67b1b3a
[INFO] running `Command { std: "docker" "start" "-a" "7c81f91ccb63a04030a9c3829a22765fe5fe5405efb7b4c49a4ddd5ef67b1b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling os_pipe v1.2.2
[INFO] [stderr]    Compiling io-extras v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "7c81f91ccb63a04030a9c3829a22765fe5fe5405efb7b4c49a4ddd5ef67b1b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c81f91ccb63a04030a9c3829a22765fe5fe5405efb7b4c49a4ddd5ef67b1b3a", kill_on_drop: false }`
[INFO] [stdout] 7c81f91ccb63a04030a9c3829a22765fe5fe5405efb7b4c49a4ddd5ef67b1b3a
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bddb6d989f2693be0984b27335272a3a6a4ee1776107e168eb395e1d6cea31c4
[INFO] running `Command { std: "docker" "start" "-a" "bddb6d989f2693be0984b27335272a3a6a4ee1776107e168eb395e1d6cea31c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/io_extras-d146d59b4609d1d2)
[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 io_extras
[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" "bddb6d989f2693be0984b27335272a3a6a4ee1776107e168eb395e1d6cea31c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bddb6d989f2693be0984b27335272a3a6a4ee1776107e168eb395e1d6cea31c4", kill_on_drop: false }`
[INFO] [stdout] bddb6d989f2693be0984b27335272a3a6a4ee1776107e168eb395e1d6cea31c4