[INFO] fetching crate pstr 0.7.0...
[INFO] testing pstr-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate pstr 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pstr 0.7.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pstr 0.7.0
[INFO] finished tweaking crates.io crate pstr 0.7.0
[INFO] tweaked toml for crates.io crate pstr 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 614edf7cd1f4946c05e097dda53275fb599aaabe7d5116619fedef5330804683
[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" "614edf7cd1f4946c05e097dda53275fb599aaabe7d5116619fedef5330804683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "614edf7cd1f4946c05e097dda53275fb599aaabe7d5116619fedef5330804683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "614edf7cd1f4946c05e097dda53275fb599aaabe7d5116619fedef5330804683", kill_on_drop: false }`
[INFO] [stdout] 614edf7cd1f4946c05e097dda53275fb599aaabe7d5116619fedef5330804683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d753de534b513567cc07c73f268c9455cf3ebcd8377b1c512ed774ec2a9e328
[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" "6d753de534b513567cc07c73f268c9455cf3ebcd8377b1c512ed774ec2a9e328", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling dashmap v3.11.10
[INFO] [stderr]    Compiling pstr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `Command { std: "docker" "inspect" "6d753de534b513567cc07c73f268c9455cf3ebcd8377b1c512ed774ec2a9e328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d753de534b513567cc07c73f268c9455cf3ebcd8377b1c512ed774ec2a9e328", kill_on_drop: false }`
[INFO] [stdout] 6d753de534b513567cc07c73f268c9455cf3ebcd8377b1c512ed774ec2a9e328
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3337e5b1b2f295f64acd5ddecb9f11b19bd0dccb777b6210236860c8453d7fb
[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" "a3337e5b1b2f295f64acd5ddecb9f11b19bd0dccb777b6210236860c8453d7fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pstr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.99s
[INFO] running `Command { std: "docker" "inspect" "a3337e5b1b2f295f64acd5ddecb9f11b19bd0dccb777b6210236860c8453d7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3337e5b1b2f295f64acd5ddecb9f11b19bd0dccb777b6210236860c8453d7fb", kill_on_drop: false }`
[INFO] [stdout] a3337e5b1b2f295f64acd5ddecb9f11b19bd0dccb777b6210236860c8453d7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bb2c5124a841671db7b3a1fe793efc00fba792fcbe35dccf25c7cce6c5dded4
[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" "4bb2c5124a841671db7b3a1fe793efc00fba792fcbe35dccf25c7cce6c5dded4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pstr-f9d7ae4ca4b5b5f4)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test pool::tests::test_pool_gc ... ignored
[INFO] [stdout] test istr::tests::test_1 ... ok
[INFO] [stdout] test mow_str::tests::test_mut_2 ... ok
[INFO] [stdout] test pool::tests::test_basic ... ok
[INFO] [stdout] test mow_str::tests::test_2 ... ok
[INFO] [stdout] test pool::tests::test_same ... ok
[INFO] [stdout] test pool::tests::test_not_same ... ok
[INFO] [stdout] test istr::tests::test_2 ... ok
[INFO] [stdout] test mow_str::tests::test_1 ... ok
[INFO] [stdout] test istr::tests::test_3 ... ok
[INFO] [stdout] test mow_str::tests::test_3 ... ok
[INFO] [stdout] test mow_os_str::tests::test ... ok
[INFO] [stdout] test mow_str::tests::test_mut ... ok
[INFO] [stdout] test pool::tests::test_concurrent_1 ... ok
[INFO] [stdout] test pool::tests::test_concurrent_2_gc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 4.20s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pstr
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/mow_os_str.rs - mow_os_str::MowOsStr::mut_empty (line 94) ... ok
[INFO] [stdout] test src/mow_str.rs - mow_str::MowStr::new_mut (line 87) ... ok
[INFO] [stdout] test src/mow_os_str.rs - mow_os_str::MowOsStr::new_mut (line 81) ... ok
[INFO] [stdout] test src/mow_str.rs - mow_str::MowStr::new (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/mow_os_str.rs - mow_os_str::MowOsStr (line 48) ... ok
[INFO] [stdout] test src/mow_os_str.rs - mow_os_str::MowOsStr::new (line 69) ... ok
[INFO] [stdout] test src/istr.rs - istr::IStr::new (line 32) ... ok
[INFO] [stdout] test src/mow_str.rs - mow_str::MowStr (line 54) ... ok
[INFO] [stdout] test src/mow_str.rs - mow_str::MowStr::mut_empty (line 100) ... ok
[INFO] [stdout] test src/i_os_str.rs - i_os_str::IOsStr::new (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4bb2c5124a841671db7b3a1fe793efc00fba792fcbe35dccf25c7cce6c5dded4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb2c5124a841671db7b3a1fe793efc00fba792fcbe35dccf25c7cce6c5dded4", kill_on_drop: false }`
[INFO] [stdout] 4bb2c5124a841671db7b3a1fe793efc00fba792fcbe35dccf25c7cce6c5dded4