[INFO] fetching crate betterchars 0.1.4...
[INFO] building betterchars-0.1.4 against try#dd06aa59b9c8562b8b5652c638defc5836c326d0 for pr-137044-2
[INFO] extracting crate betterchars 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate betterchars 0.1.4 on toolchain dd06aa59b9c8562b8b5652c638defc5836c326d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate betterchars 0.1.4
[INFO] finished tweaking crates.io crate betterchars 0.1.4
[INFO] tweaked toml for crates.io crate betterchars 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0ec9f1d822bf855a8886373a10bbdd552d9aa2c918e9514fe7daf72f9dcdea0
[INFO] running `Command { std: "docker" "start" "-a" "a0ec9f1d822bf855a8886373a10bbdd552d9aa2c918e9514fe7daf72f9dcdea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ec9f1d822bf855a8886373a10bbdd552d9aa2c918e9514fe7daf72f9dcdea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ec9f1d822bf855a8886373a10bbdd552d9aa2c918e9514fe7daf72f9dcdea0", kill_on_drop: false }`
[INFO] [stdout] a0ec9f1d822bf855a8886373a10bbdd552d9aa2c918e9514fe7daf72f9dcdea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e32c2dc446832b4062391f88da549a5d41743ab5575187955f858df5355e65bd
[INFO] running `Command { std: "docker" "start" "-a" "e32c2dc446832b4062391f88da549a5d41743ab5575187955f858df5355e65bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling betterchars v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "e32c2dc446832b4062391f88da549a5d41743ab5575187955f858df5355e65bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32c2dc446832b4062391f88da549a5d41743ab5575187955f858df5355e65bd", kill_on_drop: false }`
[INFO] [stdout] e32c2dc446832b4062391f88da549a5d41743ab5575187955f858df5355e65bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+dd06aa59b9c8562b8b5652c638defc5836c326d0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc6c0aeb1f8eac94740ca2e9cadb23f930136a9b8682759b55c66a81fe611d4f
[INFO] running `Command { std: "docker" "start" "-a" "bc6c0aeb1f8eac94740ca2e9cadb23f930136a9b8682759b55c66a81fe611d4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling betterchars v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "bc6c0aeb1f8eac94740ca2e9cadb23f930136a9b8682759b55c66a81fe611d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc6c0aeb1f8eac94740ca2e9cadb23f930136a9b8682759b55c66a81fe611d4f", kill_on_drop: false }`
[INFO] [stdout] bc6c0aeb1f8eac94740ca2e9cadb23f930136a9b8682759b55c66a81fe611d4f