[INFO] fetching crate toolchain_find 0.2.0...
[INFO] testing toolchain_find-0.2.0 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate toolchain_find 0.2.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate toolchain_find 0.2.0 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate toolchain_find 0.2.0
[INFO] finished tweaking crates.io crate toolchain_find 0.2.0
[INFO] tweaked toml for crates.io crate toolchain_find 0.2.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] crate crates.io crate toolchain_find 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded home v0.5.3
[INFO] [stderr]   Downloaded winapi-util v0.1.1
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b972f340429c939f10a61483691d895340e247447d5bc85d94ea7dc2280b8dc0
[INFO] running `Command { std: "docker" "start" "-a" "b972f340429c939f10a61483691d895340e247447d5bc85d94ea7dc2280b8dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b972f340429c939f10a61483691d895340e247447d5bc85d94ea7dc2280b8dc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b972f340429c939f10a61483691d895340e247447d5bc85d94ea7dc2280b8dc0", kill_on_drop: false }`
[INFO] [stdout] b972f340429c939f10a61483691d895340e247447d5bc85d94ea7dc2280b8dc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 722832c0aee57d7a920af77eb864bd05b07f81a61a6df90554846bebcec8f7e5
[INFO] running `Command { std: "docker" "start" "-a" "722832c0aee57d7a920af77eb864bd05b07f81a61a6df90554846bebcec8f7e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling toolchain_find v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.60s
[INFO] running `Command { std: "docker" "inspect" "722832c0aee57d7a920af77eb864bd05b07f81a61a6df90554846bebcec8f7e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722832c0aee57d7a920af77eb864bd05b07f81a61a6df90554846bebcec8f7e5", kill_on_drop: false }`
[INFO] [stdout] 722832c0aee57d7a920af77eb864bd05b07f81a61a6df90554846bebcec8f7e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a5b7115064f65baa676cfb08b7a41cc8cb724069ec3479b830bd2ebfd8bfd5
[INFO] running `Command { std: "docker" "start" "-a" "27a5b7115064f65baa676cfb08b7a41cc8cb724069ec3479b830bd2ebfd8bfd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling toolchain_find v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/toolchain_find-45016f02dba6725a)
[INFO] [stderr]   Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-539d115302d40461)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "27a5b7115064f65baa676cfb08b7a41cc8cb724069ec3479b830bd2ebfd8bfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a5b7115064f65baa676cfb08b7a41cc8cb724069ec3479b830bd2ebfd8bfd5", kill_on_drop: false }`
[INFO] [stdout] 27a5b7115064f65baa676cfb08b7a41cc8cb724069ec3479b830bd2ebfd8bfd5