[INFO] cloning repository https://github.com/cwlittle/rust-ci-tester
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwlittle/rust-ci-tester" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwlittle%2Frust-ci-tester", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwlittle%2Frust-ci-tester'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f32abcbeb8b812c1fa7c84bb66050bcd2aa831d6
[INFO] testing cwlittle/rust-ci-tester against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwlittle%2Frust-ci-tester" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwlittle/rust-ci-tester on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwlittle/rust-ci-tester
[INFO] finished tweaking git repo https://github.com/cwlittle/rust-ci-tester
[INFO] tweaked toml for git repo https://github.com/cwlittle/rust-ci-tester written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/cwlittle/rust-ci-tester already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd582f919dd5c793f7d2579f7c768b348b777b0a43711bf1a8b7c3d2b578c73d
[INFO] running `Command { std: "docker" "start" "-a" "cd582f919dd5c793f7d2579f7c768b348b777b0a43711bf1a8b7c3d2b578c73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd582f919dd5c793f7d2579f7c768b348b777b0a43711bf1a8b7c3d2b578c73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd582f919dd5c793f7d2579f7c768b348b777b0a43711bf1a8b7c3d2b578c73d", kill_on_drop: false }`
[INFO] [stdout] cd582f919dd5c793f7d2579f7c768b348b777b0a43711bf1a8b7c3d2b578c73d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3773ac1c9abf0f756ea7fd862e99c22b03926a8c9d4e6eaadc9548726a1a4cb2
[INFO] running `Command { std: "docker" "start" "-a" "3773ac1c9abf0f756ea7fd862e99c22b03926a8c9d4e6eaadc9548726a1a4cb2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling rust-ci-tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "3773ac1c9abf0f756ea7fd862e99c22b03926a8c9d4e6eaadc9548726a1a4cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3773ac1c9abf0f756ea7fd862e99c22b03926a8c9d4e6eaadc9548726a1a4cb2", kill_on_drop: false }`
[INFO] [stdout] 3773ac1c9abf0f756ea7fd862e99c22b03926a8c9d4e6eaadc9548726a1a4cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 179ac20757f7f54a09a5b655d427370df8045704a01e2c51a57adf0b66bba75f
[INFO] running `Command { std: "docker" "start" "-a" "179ac20757f7f54a09a5b655d427370df8045704a01e2c51a57adf0b66bba75f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-ci-tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `test`
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let test: blake3::Hash = get_hash("Hello, Earthlings");
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.68s
[INFO] running `Command { std: "docker" "inspect" "179ac20757f7f54a09a5b655d427370df8045704a01e2c51a57adf0b66bba75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "179ac20757f7f54a09a5b655d427370df8045704a01e2c51a57adf0b66bba75f", kill_on_drop: false }`
[INFO] [stdout] 179ac20757f7f54a09a5b655d427370df8045704a01e2c51a57adf0b66bba75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57e80476a8f4487c18fdfd3e440b90b0a868770397d431f6d9947bbcac42acf3
[INFO] running `Command { std: "docker" "start" "-a" "57e80476a8f4487c18fdfd3e440b90b0a868770397d431f6d9947bbcac42acf3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `test`
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let test: blake3::Hash = get_hash("Hello, Earthlings");
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_test`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-ci-tester` (bin "rust-ci-tester" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_ci_tester-ca400ca91e0c9bcf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::forty_two ... ok
[INFO] [stdout] test tests::hit_hash_meth ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57e80476a8f4487c18fdfd3e440b90b0a868770397d431f6d9947bbcac42acf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57e80476a8f4487c18fdfd3e440b90b0a868770397d431f6d9947bbcac42acf3", kill_on_drop: false }`
[INFO] [stdout] 57e80476a8f4487c18fdfd3e440b90b0a868770397d431f6d9947bbcac42acf3