[INFO] fetching crate utf8-width 0.1.8...
[INFO] testing utf8-width-0.1.8 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate utf8-width 0.1.8 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate utf8-width 0.1.8
[INFO] finished tweaking crates.io crate utf8-width 0.1.8
[INFO] tweaked toml for crates.io crate utf8-width 0.1.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate utf8-width 0.1.8 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate utf8-width 0.1.8 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8420c41cee1019c139780d3f978807c471d6c1dc151e91f8dd1e66fdfe2c2f3a
[INFO] running `Command { std: "docker" "start" "-a" "8420c41cee1019c139780d3f978807c471d6c1dc151e91f8dd1e66fdfe2c2f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8420c41cee1019c139780d3f978807c471d6c1dc151e91f8dd1e66fdfe2c2f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8420c41cee1019c139780d3f978807c471d6c1dc151e91f8dd1e66fdfe2c2f3a", kill_on_drop: false }`
[INFO] [stdout] 8420c41cee1019c139780d3f978807c471d6c1dc151e91f8dd1e66fdfe2c2f3a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40e6e83316846afa09c10d213f998cbe97f9d6b395c9e72d60b5374adf8fccbf
[INFO] running `Command { std: "docker" "start" "-a" "40e6e83316846afa09c10d213f998cbe97f9d6b395c9e72d60b5374adf8fccbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-width v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "40e6e83316846afa09c10d213f998cbe97f9d6b395c9e72d60b5374adf8fccbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e6e83316846afa09c10d213f998cbe97f9d6b395c9e72d60b5374adf8fccbf", kill_on_drop: false }`
[INFO] [stdout] 40e6e83316846afa09c10d213f998cbe97f9d6b395c9e72d60b5374adf8fccbf
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da969890b02e6986bde230ed5f10cb073b1baba2f6a9ecb2b1dbe8ffa856427a
[INFO] running `Command { std: "docker" "start" "-a" "da969890b02e6986bde230ed5f10cb073b1baba2f6a9ecb2b1dbe8ffa856427a", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-width v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "da969890b02e6986bde230ed5f10cb073b1baba2f6a9ecb2b1dbe8ffa856427a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da969890b02e6986bde230ed5f10cb073b1baba2f6a9ecb2b1dbe8ffa856427a", kill_on_drop: false }`
[INFO] [stdout] da969890b02e6986bde230ed5f10cb073b1baba2f6a9ecb2b1dbe8ffa856427a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2834d9a5b930a0f854eff5c97bc47712b6562a546a45ef38e1a0aa4b196e5ec9
[INFO] running `Command { std: "docker" "start" "-a" "2834d9a5b930a0f854eff5c97bc47712b6562a546a45ef38e1a0aa4b196e5ec9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/utf8_width-09fd48adfb1f5a86)
[INFO] [stderr]    Doc-tests utf8_width
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2834d9a5b930a0f854eff5c97bc47712b6562a546a45ef38e1a0aa4b196e5ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2834d9a5b930a0f854eff5c97bc47712b6562a546a45ef38e1a0aa4b196e5ec9", kill_on_drop: false }`
[INFO] [stdout] 2834d9a5b930a0f854eff5c97bc47712b6562a546a45ef38e1a0aa4b196e5ec9