[INFO] fetching crate chain-one 0.1.0...
[INFO] testing chain-one-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate chain-one 0.1.0 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate chain-one 0.1.0 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 crates.io crate chain-one 0.1.0
[INFO] finished tweaking crates.io crate chain-one 0.1.0
[INFO] tweaked toml for crates.io crate chain-one 0.1.0 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] db51b8cf2c939579995a635e932e30372d697467f02e3642bcc868b122988581
[INFO] running `Command { std: "docker" "start" "-a" "db51b8cf2c939579995a635e932e30372d697467f02e3642bcc868b122988581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db51b8cf2c939579995a635e932e30372d697467f02e3642bcc868b122988581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db51b8cf2c939579995a635e932e30372d697467f02e3642bcc868b122988581", kill_on_drop: false }`
[INFO] [stdout] db51b8cf2c939579995a635e932e30372d697467f02e3642bcc868b122988581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 2b893d77604ab756e3784576f5a99f782635ec7e06f4f99e8e23b16cd2a912bf
[INFO] running `Command { std: "docker" "start" "-a" "2b893d77604ab756e3784576f5a99f782635ec7e06f4f99e8e23b16cd2a912bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling chain-one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "2b893d77604ab756e3784576f5a99f782635ec7e06f4f99e8e23b16cd2a912bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b893d77604ab756e3784576f5a99f782635ec7e06f4f99e8e23b16cd2a912bf", kill_on_drop: false }`
[INFO] [stdout] 2b893d77604ab756e3784576f5a99f782635ec7e06f4f99e8e23b16cd2a912bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] 998629ecdb2de0c41171a0c59e83aa121f2fb88939ac05e43598bc4f791d8cbb
[INFO] running `Command { std: "docker" "start" "-a" "998629ecdb2de0c41171a0c59e83aa121f2fb88939ac05e43598bc4f791d8cbb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chain-one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.50s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/chain_one-e5328a4f74ef84e8)
[INFO] running `Command { std: "docker" "inspect" "998629ecdb2de0c41171a0c59e83aa121f2fb88939ac05e43598bc4f791d8cbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998629ecdb2de0c41171a0c59e83aa121f2fb88939ac05e43598bc4f791d8cbb", kill_on_drop: false }`
[INFO] [stdout] 998629ecdb2de0c41171a0c59e83aa121f2fb88939ac05e43598bc4f791d8cbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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] df86601ff96774d5368501f345efe430791d7edf9c68a67099bd6b3a567511e5
[INFO] running `Command { std: "docker" "start" "-a" "df86601ff96774d5368501f345efe430791d7edf9c68a67099bd6b3a567511e5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chain_one-e5328a4f74ef84e8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::reversed ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chain-one
[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" "df86601ff96774d5368501f345efe430791d7edf9c68a67099bd6b3a567511e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df86601ff96774d5368501f345efe430791d7edf9c68a67099bd6b3a567511e5", kill_on_drop: false }`
[INFO] [stdout] df86601ff96774d5368501f345efe430791d7edf9c68a67099bd6b3a567511e5