[INFO] fetching crate char_reader 0.1.0...
[INFO] testing char_reader-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate char_reader 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate char_reader 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate char_reader 0.1.0
[INFO] finished tweaking crates.io crate char_reader 0.1.0
[INFO] tweaked toml for crates.io crate char_reader 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cfc35a3be2a3b7575e839737e95befb6dc50fd52a658bcb562475cff181882e
[INFO] running `Command { std: "docker" "start" "-a" "4cfc35a3be2a3b7575e839737e95befb6dc50fd52a658bcb562475cff181882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cfc35a3be2a3b7575e839737e95befb6dc50fd52a658bcb562475cff181882e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cfc35a3be2a3b7575e839737e95befb6dc50fd52a658bcb562475cff181882e", kill_on_drop: false }`
[INFO] [stdout] 4cfc35a3be2a3b7575e839737e95befb6dc50fd52a658bcb562475cff181882e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 180901e818959c6071c80e2386746637d6865ab0e3e0eb4d7b9fa97bb984f2dd
[INFO] running `Command { std: "docker" "start" "-a" "180901e818959c6071c80e2386746637d6865ab0e3e0eb4d7b9fa97bb984f2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling char_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "180901e818959c6071c80e2386746637d6865ab0e3e0eb4d7b9fa97bb984f2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180901e818959c6071c80e2386746637d6865ab0e3e0eb4d7b9fa97bb984f2dd", kill_on_drop: false }`
[INFO] [stdout] 180901e818959c6071c80e2386746637d6865ab0e3e0eb4d7b9fa97bb984f2dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23da25d1a5701c61f620fae0651859212fd495a1d0da3e41f63f9824e7b468e9
[INFO] running `Command { std: "docker" "start" "-a" "23da25d1a5701c61f620fae0651859212fd495a1d0da3e41f63f9824e7b468e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling char_reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "23da25d1a5701c61f620fae0651859212fd495a1d0da3e41f63f9824e7b468e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23da25d1a5701c61f620fae0651859212fd495a1d0da3e41f63f9824e7b468e9", kill_on_drop: false }`
[INFO] [stdout] 23da25d1a5701c61f620fae0651859212fd495a1d0da3e41f63f9824e7b468e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abe085b4a16b9bcb537d80dec266ca3d224137e985a862fd172d1707d8627d38
[INFO] running `Command { std: "docker" "start" "-a" "abe085b4a16b9bcb537d80dec266ca3d224137e985a862fd172d1707d8627d38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/char_reader-40b3ad0ab4ed3e0b)
[INFO] [stdout] test tests::test_chars ... ok
[INFO] [stderr]    Doc-tests char_reader
[INFO] [stdout] test tests::test_lines ... ok
[INFO] [stdout] test tests::test_thresholds ... ok
[INFO] [stdout] test tests::check_utf8_error ... 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 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" "abe085b4a16b9bcb537d80dec266ca3d224137e985a862fd172d1707d8627d38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abe085b4a16b9bcb537d80dec266ca3d224137e985a862fd172d1707d8627d38", kill_on_drop: false }`
[INFO] [stdout] abe085b4a16b9bcb537d80dec266ca3d224137e985a862fd172d1707d8627d38