[INFO] cloning repository https://github.com/Cheng0Xin/rust-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cheng0Xin/rust-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheng0Xin%2Frust-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheng0Xin%2Frust-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41537e719bca9ae954e29362f01aac45d1a267ab
[INFO] building Cheng0Xin/rust-sample against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCheng0Xin%2Frust-sample" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cheng0Xin/rust-sample on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cheng0Xin/rust-sample
[INFO] finished tweaking git repo https://github.com/Cheng0Xin/rust-sample
[INFO] tweaked toml for git repo https://github.com/Cheng0Xin/rust-sample written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/Cheng0Xin/rust-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae3beed9180694a07cdc2d7651dd7a2ad93c7101464b9a1c5e758e570879dcf0
[INFO] running `Command { std: "docker" "start" "-a" "ae3beed9180694a07cdc2d7651dd7a2ad93c7101464b9a1c5e758e570879dcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae3beed9180694a07cdc2d7651dd7a2ad93c7101464b9a1c5e758e570879dcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3beed9180694a07cdc2d7651dd7a2ad93c7101464b9a1c5e758e570879dcf0", kill_on_drop: false }`
[INFO] [stdout] ae3beed9180694a07cdc2d7651dd7a2ad93c7101464b9a1c5e758e570879dcf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc224422d30c692e9afbbc0e84e9c6fc2c9dad57686ec0bf75bc8d74a8fe932
[INFO] running `Command { std: "docker" "start" "-a" "bcc224422d30c692e9afbbc0e84e9c6fc2c9dad57686ec0bf75bc8d74a8fe932", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "bcc224422d30c692e9afbbc0e84e9c6fc2c9dad57686ec0bf75bc8d74a8fe932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc224422d30c692e9afbbc0e84e9c6fc2c9dad57686ec0bf75bc8d74a8fe932", kill_on_drop: false }`
[INFO] [stdout] bcc224422d30c692e9afbbc0e84e9c6fc2c9dad57686ec0bf75bc8d74a8fe932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8e898f7254b39c47caa7681d3a2dee597bca5e81e18b4ea0a644abc9e8c2214
[INFO] running `Command { std: "docker" "start" "-a" "d8e898f7254b39c47caa7681d3a2dee597bca5e81e18b4ea0a644abc9e8c2214", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learn-f9e6c145399d0196)
[INFO] running `Command { std: "docker" "inspect" "d8e898f7254b39c47caa7681d3a2dee597bca5e81e18b4ea0a644abc9e8c2214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e898f7254b39c47caa7681d3a2dee597bca5e81e18b4ea0a644abc9e8c2214", kill_on_drop: false }`
[INFO] [stdout] d8e898f7254b39c47caa7681d3a2dee597bca5e81e18b4ea0a644abc9e8c2214