[INFO] fetching crate ext-string 0.1.5...
[INFO] testing ext-string-0.1.5 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ext-string 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ext-string 0.1.5 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ext-string 0.1.5
[INFO] finished tweaking crates.io crate ext-string 0.1.5
[INFO] tweaked toml for crates.io crate ext-string 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5c0ed9fe16648ef55f4b0038cb0e8e4b13b8b843aaf2fb79aa54e3eda8d1f37
[INFO] running `Command { std: "docker" "start" "-a" "f5c0ed9fe16648ef55f4b0038cb0e8e4b13b8b843aaf2fb79aa54e3eda8d1f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5c0ed9fe16648ef55f4b0038cb0e8e4b13b8b843aaf2fb79aa54e3eda8d1f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c0ed9fe16648ef55f4b0038cb0e8e4b13b8b843aaf2fb79aa54e3eda8d1f37", kill_on_drop: false }`
[INFO] [stdout] f5c0ed9fe16648ef55f4b0038cb0e8e4b13b8b843aaf2fb79aa54e3eda8d1f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01b413d441475c6203cc694e545858e8e17bd854d319af9a565d7b38f454560f
[INFO] running `Command { std: "docker" "start" "-a" "01b413d441475c6203cc694e545858e8e17bd854d319af9a565d7b38f454560f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ext-string v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "01b413d441475c6203cc694e545858e8e17bd854d319af9a565d7b38f454560f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b413d441475c6203cc694e545858e8e17bd854d319af9a565d7b38f454560f", kill_on_drop: false }`
[INFO] [stdout] 01b413d441475c6203cc694e545858e8e17bd854d319af9a565d7b38f454560f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3dc3d03942cef11b1c59b490c15a499a14b1994e431f52910ef9aa6e906d5a9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a3dc3d03942cef11b1c59b490c15a499a14b1994e431f52910ef9aa6e906d5a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ext-string v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "a3dc3d03942cef11b1c59b490c15a499a14b1994e431f52910ef9aa6e906d5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3dc3d03942cef11b1c59b490c15a499a14b1994e431f52910ef9aa6e906d5a9", kill_on_drop: false }`
[INFO] [stdout] a3dc3d03942cef11b1c59b490c15a499a14b1994e431f52910ef9aa6e906d5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 577f2da272fe6a24d042f1b593656d9e38c4368d62f5ab7fb50777e9f4e6a3bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "577f2da272fe6a24d042f1b593656d9e38c4368d62f5ab7fb50777e9f4e6a3bd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ext_string-ad55d332a0e0e9fc)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_is_swap_case ... ok
[INFO] [stdout] test tests::test_pad_left ... ok
[INFO] [stdout] test tests::test_is_numeric ... ok
[INFO] [stdout] test tests::test_is_alphanumeric ... ok
[INFO] [stdout] test tests::test_reverse ... ok
[INFO] [stdout] test tests::test_pad_left_str ... ok
[INFO] [stdout] test tests::test_is_alphabetic ... ok
[INFO] [stdout] test tests::test_pad_right_str ... ok
[INFO] [stdout] test tests::test_pad_right ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ext-string
[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" "577f2da272fe6a24d042f1b593656d9e38c4368d62f5ab7fb50777e9f4e6a3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577f2da272fe6a24d042f1b593656d9e38c4368d62f5ab7fb50777e9f4e6a3bd", kill_on_drop: false }`
[INFO] [stdout] 577f2da272fe6a24d042f1b593656d9e38c4368d62f5ab7fb50777e9f4e6a3bd