[INFO] fetching crate rustc_errors 0.1.2...
[INFO] testing rustc_errors-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate rustc_errors 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rustc_errors 0.1.2
[INFO] finished tweaking crates.io crate rustc_errors 0.1.2
[INFO] tweaked toml for crates.io crate rustc_errors 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustc_errors 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf3286d330cab4e619beea867cc589cca27b86c686dc359ada616baef155d900
[INFO] running `Command { std: "docker" "start" "-a" "cf3286d330cab4e619beea867cc589cca27b86c686dc359ada616baef155d900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3286d330cab4e619beea867cc589cca27b86c686dc359ada616baef155d900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3286d330cab4e619beea867cc589cca27b86c686dc359ada616baef155d900", kill_on_drop: false }`
[INFO] [stdout] cf3286d330cab4e619beea867cc589cca27b86c686dc359ada616baef155d900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a00846f8a4a588854e807c8d20ae767da7acc29bd711ece22f13e92780ba4eaa
[INFO] running `Command { std: "docker" "start" "-a" "a00846f8a4a588854e807c8d20ae767da7acc29bd711ece22f13e92780ba4eaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_errors v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a00846f8a4a588854e807c8d20ae767da7acc29bd711ece22f13e92780ba4eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00846f8a4a588854e807c8d20ae767da7acc29bd711ece22f13e92780ba4eaa", kill_on_drop: false }`
[INFO] [stdout] a00846f8a4a588854e807c8d20ae767da7acc29bd711ece22f13e92780ba4eaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e586199a45580f1c5deb23f9c451394ce6e91a5fee902ccca0840f4a88f09f40
[INFO] running `Command { std: "docker" "start" "-a" "e586199a45580f1c5deb23f9c451394ce6e91a5fee902ccca0840f4a88f09f40", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc_errors v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "e586199a45580f1c5deb23f9c451394ce6e91a5fee902ccca0840f4a88f09f40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e586199a45580f1c5deb23f9c451394ce6e91a5fee902ccca0840f4a88f09f40", kill_on_drop: false }`
[INFO] [stdout] e586199a45580f1c5deb23f9c451394ce6e91a5fee902ccca0840f4a88f09f40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fcd5d473621d1650f2a3eb7818a91c564e79145cf61a705c67dc390fa556d1d
[INFO] running `Command { std: "docker" "start" "-a" "7fcd5d473621d1650f2a3eb7818a91c564e79145cf61a705c67dc390fa556d1d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustc_errors-cb940d0c0232fbd0)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_styled_buffer::test_appendl ... ok
[INFO] [stdout] test test_styled_buffer::test_prepend ... ok
[INFO] [stdout] test test_styled_buffer::test_num_lines ... ok
[INFO] [stdout] test test_styled_buffer::test_putc ... ok
[INFO] [stdout] test test_styled_buffer::test_putc_new_line ... ok
[INFO] [stdout] test test_styled_buffer::test_puts_new_line ... ok
[INFO] [stdout] test test_styled_buffer::test_puts ... ok
[INFO] [stdout] test test_styled_buffer::test_pushs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc_errors
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/styled_buffer.rs - styled_buffer::StyledString<T>::new (line 42) ... ignored
[INFO] [stdout] test src/lib.rs - Style::render_style_to_color_spec (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7fcd5d473621d1650f2a3eb7818a91c564e79145cf61a705c67dc390fa556d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcd5d473621d1650f2a3eb7818a91c564e79145cf61a705c67dc390fa556d1d", kill_on_drop: false }`
[INFO] [stdout] 7fcd5d473621d1650f2a3eb7818a91c564e79145cf61a705c67dc390fa556d1d