[INFO] fetching crate grep-reader 0.1.3...
[INFO] checking grep-reader-0.1.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate grep-reader 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate grep-reader 0.1.3
[INFO] finished tweaking crates.io crate grep-reader 0.1.3
[INFO] tweaked toml for crates.io crate grep-reader 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grep-reader 0.1.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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 v0.3.2
[INFO] [stderr]   Downloaded grep-cli v0.1.11
[INFO] [stderr]   Downloaded grep-matcher v0.1.7
[INFO] [stderr]   Downloaded grep-regex v0.1.13
[INFO] [stderr]   Downloaded grep-searcher v0.1.14
[INFO] [stderr]   Downloaded grep-printer v0.2.2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 787babf558e843cd9406bc6829f6bd81a0a7bdc346eba5b4d199b3d1c0fcbca2
[INFO] running `Command { std: "docker" "start" "-a" "787babf558e843cd9406bc6829f6bd81a0a7bdc346eba5b4d199b3d1c0fcbca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "787babf558e843cd9406bc6829f6bd81a0a7bdc346eba5b4d199b3d1c0fcbca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787babf558e843cd9406bc6829f6bd81a0a7bdc346eba5b4d199b3d1c0fcbca2", kill_on_drop: false }`
[INFO] [stdout] 787babf558e843cd9406bc6829f6bd81a0a7bdc346eba5b4d199b3d1c0fcbca2
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b32480ea40ec2b93457ebfe9de8a299d46dbe14cfcc186e905b0883a904648b
[INFO] running `Command { std: "docker" "start" "-a" "4b32480ea40ec2b93457ebfe9de8a299d46dbe14cfcc186e905b0883a904648b", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking grep-matcher v0.1.7
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking globset v0.4.16
[INFO] [stderr]     Checking grep-searcher v0.1.14
[INFO] [stderr]     Checking grep-regex v0.1.13
[INFO] [stderr]     Checking grep-cli v0.1.11
[INFO] [stderr]     Checking grep-printer v0.2.2
[INFO] [stderr]     Checking grep v0.3.2
[INFO] [stderr]     Checking grep-reader v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "4b32480ea40ec2b93457ebfe9de8a299d46dbe14cfcc186e905b0883a904648b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b32480ea40ec2b93457ebfe9de8a299d46dbe14cfcc186e905b0883a904648b", kill_on_drop: false }`
[INFO] [stdout] 4b32480ea40ec2b93457ebfe9de8a299d46dbe14cfcc186e905b0883a904648b