[INFO] fetching crate enc 0.15.0...
[INFO] testing enc-0.15.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate enc 0.15.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate enc 0.15.0
[INFO] finished tweaking crates.io crate enc 0.15.0
[INFO] tweaked toml for crates.io crate enc 0.15.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate enc 0.15.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enc 0.15.0 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a32c05f3c4661c50dd7ed20343564b5773f6da86fb3ec770a3ff1f97a198f67
[INFO] running `Command { std: "docker" "start" "-a" "0a32c05f3c4661c50dd7ed20343564b5773f6da86fb3ec770a3ff1f97a198f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a32c05f3c4661c50dd7ed20343564b5773f6da86fb3ec770a3ff1f97a198f67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a32c05f3c4661c50dd7ed20343564b5773f6da86fb3ec770a3ff1f97a198f67", kill_on_drop: false }`
[INFO] [stdout] 0a32c05f3c4661c50dd7ed20343564b5773f6da86fb3ec770a3ff1f97a198f67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82b67deb2348cdf023f8ac0156c66c63d8e637c8239d091a5b397b9681f320d5
[INFO] running `Command { std: "docker" "start" "-a" "82b67deb2348cdf023f8ac0156c66c63d8e637c8239d091a5b397b9681f320d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling enc v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "82b67deb2348cdf023f8ac0156c66c63d8e637c8239d091a5b397b9681f320d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b67deb2348cdf023f8ac0156c66c63d8e637c8239d091a5b397b9681f320d5", kill_on_drop: false }`
[INFO] [stdout] 82b67deb2348cdf023f8ac0156c66c63d8e637c8239d091a5b397b9681f320d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1470229ecebdcfcc01e80fcde2511db5b9203aa9ceb5a34c661570731475555
[INFO] running `Command { std: "docker" "start" "-a" "f1470229ecebdcfcc01e80fcde2511db5b9203aa9ceb5a34c661570731475555", kill_on_drop: false }`
[INFO] [stderr]    Compiling enc v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "f1470229ecebdcfcc01e80fcde2511db5b9203aa9ceb5a34c661570731475555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1470229ecebdcfcc01e80fcde2511db5b9203aa9ceb5a34c661570731475555", kill_on_drop: false }`
[INFO] [stdout] f1470229ecebdcfcc01e80fcde2511db5b9203aa9ceb5a34c661570731475555
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79327360e6777d68aa050d24bff41bbb58ebcc91cfe6291ffc5da5ee901bd0b0
[INFO] running `Command { std: "docker" "start" "-a" "79327360e6777d68aa050d24bff41bbb58ebcc91cfe6291ffc5da5ee901bd0b0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enc-37b0a86c39dcb04a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test util::read::tests::fn_read_single_byte ... ok
[INFO] [stdout] test util::read::tests::fn_read_optional_byte ... 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]    Doc-tests enc
[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" "79327360e6777d68aa050d24bff41bbb58ebcc91cfe6291ffc5da5ee901bd0b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79327360e6777d68aa050d24bff41bbb58ebcc91cfe6291ffc5da5ee901bd0b0", kill_on_drop: false }`
[INFO] [stdout] 79327360e6777d68aa050d24bff41bbb58ebcc91cfe6291ffc5da5ee901bd0b0