[INFO] updating cached repository https://github.com/Quanuanc/rust-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bdcb7b4a1de1d6ea3d981581397024675c1eb80
[INFO] testing Quanuanc/rust-course/8bdcb7b4a1de1d6ea3d981581397024675c1eb80 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuanuanc%2Frust-course" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Quanuanc/rust-course on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Quanuanc/rust-course
[INFO] finished tweaking git repo https://github.com/Quanuanc/rust-course
[INFO] tweaked toml for git repo https://github.com/Quanuanc/rust-course written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/Quanuanc/rust-course already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82fc9aeb28c4a9faeafb89a93c6a54a019de12bc5c26903734dd26e3986a7037
[INFO] running `Command { std: "docker" "start" "-a" "82fc9aeb28c4a9faeafb89a93c6a54a019de12bc5c26903734dd26e3986a7037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82fc9aeb28c4a9faeafb89a93c6a54a019de12bc5c26903734dd26e3986a7037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82fc9aeb28c4a9faeafb89a93c6a54a019de12bc5c26903734dd26e3986a7037", kill_on_drop: false }`
[INFO] [stdout] 82fc9aeb28c4a9faeafb89a93c6a54a019de12bc5c26903734dd26e3986a7037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f365a1a0a8a2a98f69c8053a5f194fbd30ebcb0493ea7d89adb56bccfeb4dbd5
[INFO] running `Command { std: "docker" "start" "-a" "f365a1a0a8a2a98f69c8053a5f194fbd30ebcb0493ea7d89adb56bccfeb4dbd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.85s
[INFO] running `Command { std: "docker" "inspect" "f365a1a0a8a2a98f69c8053a5f194fbd30ebcb0493ea7d89adb56bccfeb4dbd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f365a1a0a8a2a98f69c8053a5f194fbd30ebcb0493ea7d89adb56bccfeb4dbd5", kill_on_drop: false }`
[INFO] [stdout] f365a1a0a8a2a98f69c8053a5f194fbd30ebcb0493ea7d89adb56bccfeb4dbd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1749c09e9bc20a6be26dea3127fa7f6079877408fe5e82b5e0739fb0b3773233
[INFO] running `Command { std: "docker" "start" "-a" "1749c09e9bc20a6be26dea3127fa7f6079877408fe5e82b5e0739fb0b3773233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.57s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study-c021ebb9e12e6d41)
[INFO] running `Command { std: "docker" "inspect" "1749c09e9bc20a6be26dea3127fa7f6079877408fe5e82b5e0739fb0b3773233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1749c09e9bc20a6be26dea3127fa7f6079877408fe5e82b5e0739fb0b3773233", kill_on_drop: false }`
[INFO] [stdout] 1749c09e9bc20a6be26dea3127fa7f6079877408fe5e82b5e0739fb0b3773233
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 77fedcac6db1b1beb5aa363f928b5d78c126b176ebf53dbdb7c0e22dcdde7d2f
[INFO] running `Command { std: "docker" "start" "-a" "77fedcac6db1b1beb5aa363f928b5d78c126b176ebf53dbdb7c0e22dcdde7d2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study-c021ebb9e12e6d41)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77fedcac6db1b1beb5aa363f928b5d78c126b176ebf53dbdb7c0e22dcdde7d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77fedcac6db1b1beb5aa363f928b5d78c126b176ebf53dbdb7c0e22dcdde7d2f", kill_on_drop: false }`
[INFO] [stdout] 77fedcac6db1b1beb5aa363f928b5d78c126b176ebf53dbdb7c0e22dcdde7d2f