[INFO] fetching crate grep-printer 0.2.1...
[INFO] checking grep-printer-0.2.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate grep-printer 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate grep-printer 0.2.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep-printer 0.2.1
[INFO] finished tweaking crates.io crate grep-printer 0.2.1
[INFO] tweaked toml for crates.io crate grep-printer 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded grep-searcher v0.1.13
[INFO] [stderr]   Downloaded grep-regex v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 052ce171f08176e546d941559b45d917bcbf6df6a46cfdb1400ad7df5820a35e
[INFO] running `Command { std: "docker" "start" "-a" "052ce171f08176e546d941559b45d917bcbf6df6a46cfdb1400ad7df5820a35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052ce171f08176e546d941559b45d917bcbf6df6a46cfdb1400ad7df5820a35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052ce171f08176e546d941559b45d917bcbf6df6a46cfdb1400ad7df5820a35e", kill_on_drop: false }`
[INFO] [stdout] 052ce171f08176e546d941559b45d917bcbf6df6a46cfdb1400ad7df5820a35e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f34dc9cd86a913d5d701358da07ed3aacaeb70ace96cfb50ef71778e09e54092
[INFO] running `Command { std: "docker" "start" "-a" "f34dc9cd86a913d5d701358da07ed3aacaeb70ace96cfb50ef71778e09e54092", kill_on_drop: false }`
[INFO] [stderr]     Checking grep-matcher v0.1.7
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking bstr v1.10.0
[INFO] [stderr]     Checking grep-searcher v0.1.13
[INFO] [stderr]     Checking grep-regex v0.1.12
[INFO] [stderr]     Checking grep-printer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "f34dc9cd86a913d5d701358da07ed3aacaeb70ace96cfb50ef71778e09e54092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34dc9cd86a913d5d701358da07ed3aacaeb70ace96cfb50ef71778e09e54092", kill_on_drop: false }`
[INFO] [stdout] f34dc9cd86a913d5d701358da07ed3aacaeb70ace96cfb50ef71778e09e54092
[INFO] checking grep-printer-0.2.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate grep-printer 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate grep-printer 0.2.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep-printer 0.2.1
[INFO] finished tweaking crates.io crate grep-printer 0.2.1
[INFO] tweaked toml for crates.io crate grep-printer 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccd6d80b964431ceb96a83ca751255644df4e1974fafca1c4c036fb08d0810af
[INFO] running `Command { std: "docker" "start" "-a" "ccd6d80b964431ceb96a83ca751255644df4e1974fafca1c4c036fb08d0810af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccd6d80b964431ceb96a83ca751255644df4e1974fafca1c4c036fb08d0810af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd6d80b964431ceb96a83ca751255644df4e1974fafca1c4c036fb08d0810af", kill_on_drop: false }`
[INFO] [stdout] ccd6d80b964431ceb96a83ca751255644df4e1974fafca1c4c036fb08d0810af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8998b7a966670b0e6140269f5357ecff03b6aaab31d6802c6212bfe4faf4227c
[INFO] running `Command { std: "docker" "start" "-a" "8998b7a966670b0e6140269f5357ecff03b6aaab31d6802c6212bfe4faf4227c", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking grep-matcher v0.1.7
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking bstr v1.10.0
[INFO] [stderr]     Checking grep-searcher v0.1.13
[INFO] [stderr]     Checking grep-regex v0.1.12
[INFO] [stderr]     Checking grep-printer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "8998b7a966670b0e6140269f5357ecff03b6aaab31d6802c6212bfe4faf4227c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8998b7a966670b0e6140269f5357ecff03b6aaab31d6802c6212bfe4faf4227c", kill_on_drop: false }`
[INFO] [stdout] 8998b7a966670b0e6140269f5357ecff03b6aaab31d6802c6212bfe4faf4227c