[INFO] fetching crate manix 0.6.3...
[INFO] testing manix-0.6.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate manix 0.6.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate manix 0.6.3 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 crates.io crate manix 0.6.3
[INFO] finished tweaking crates.io crate manix 0.6.3
[INFO] tweaked toml for crates.io crate manix 0.6.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate manix 0.6.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.9
[INFO] [stderr]   Downloaded cbitset v0.2.0
[INFO] [stderr]   Downloaded smol_str v0.1.16
[INFO] [stderr]   Downloaded rowan v0.9.1
[INFO] [stderr]   Downloaded xmlparser v0.13.2
[INFO] [stderr]   Downloaded thin-dst v1.1.0
[INFO] [stderr]   Downloaded rnix v0.8.0
[INFO] [stderr]   Downloaded structopt v0.3.16
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded roxmltree v0.13.0
[INFO] [stderr]   Downloaded text_unit v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a634f4f87595f19accfce15d16d73f67fb9af2f6099a9d8f995e81183a91179b
[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" "a634f4f87595f19accfce15d16d73f67fb9af2f6099a9d8f995e81183a91179b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a634f4f87595f19accfce15d16d73f67fb9af2f6099a9d8f995e81183a91179b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a634f4f87595f19accfce15d16d73f67fb9af2f6099a9d8f995e81183a91179b", kill_on_drop: false }`
[INFO] [stdout] a634f4f87595f19accfce15d16d73f67fb9af2f6099a9d8f995e81183a91179b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 16a8b3ecaf34791327f2840f3b57f85db31532a67a45356483bd07866f59e386
[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" "16a8b3ecaf34791327f2840f3b57f85db31532a67a45356483bd07866f59e386", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling text_unit v0.1.10
[INFO] [stderr]    Compiling smol_str v0.1.16
[INFO] [stderr]    Compiling thin-dst v1.1.0
[INFO] [stderr]    Compiling xmlparser v0.13.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rowan v0.9.1
[INFO] [stderr]    Compiling roxmltree v0.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling cbitset v0.2.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rnix v0.8.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling structopt-derive v0.4.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling structopt v0.3.16
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling manix v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Path`, `fs::File`, `io::BufReader`
[INFO] [stdout]   --> src/options_docsource.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     io::BufReader,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     path::{Path, PathBuf},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.91s
[INFO] running `Command { std: "docker" "inspect" "16a8b3ecaf34791327f2840f3b57f85db31532a67a45356483bd07866f59e386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a8b3ecaf34791327f2840f3b57f85db31532a67a45356483bd07866f59e386", kill_on_drop: false }`
[INFO] [stdout] 16a8b3ecaf34791327f2840f3b57f85db31532a67a45356483bd07866f59e386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d03caf40ca2ceb838cc33b523c6cbea48496205360378c3688a928458b5d6b72
[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" "d03caf40ca2ceb838cc33b523c6cbea48496205360378c3688a928458b5d6b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling manix v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Path`, `fs::File`, `io::BufReader`
[INFO] [stdout]   --> src/options_docsource.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     io::BufReader,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     path::{Path, PathBuf},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Path`, `fs::File`, `io::BufReader`
[INFO] [stdout]   --> src/options_docsource.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 9  |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 10 |     io::BufReader,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     path::{Path, PathBuf},
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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 2.12s
[INFO] running `Command { std: "docker" "inspect" "d03caf40ca2ceb838cc33b523c6cbea48496205360378c3688a928458b5d6b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d03caf40ca2ceb838cc33b523c6cbea48496205360378c3688a928458b5d6b72", kill_on_drop: false }`
[INFO] [stdout] d03caf40ca2ceb838cc33b523c6cbea48496205360378c3688a928458b5d6b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 9393e5893d568511fd9136fd68c0834cb08049fb793209088095626cc0cd4d7e
[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" "9393e5893d568511fd9136fd68c0834cb08049fb793209088095626cc0cd4d7e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Path`, `fs::File`, `io::BufReader`
[INFO] [stderr]   --> src/options_docsource.rs:9:5
[INFO] [stderr]    |
[INFO] [stderr] 9  |     fs::File,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 10 |     io::BufReader,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 11 |     path::{Path, PathBuf},
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `manix` (lib) generated 1 warning
[INFO] [stderr] warning: `manix` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/manix-3d5d34403705580b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_contains_insensitive_ascii ... ok
[INFO] [stdout] test test_starts_with_insensitive_ascii ... 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]      Running unittests (/opt/rustwide/target/debug/deps/manix-9e48c1db466a1d2e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests manix
[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] [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" "9393e5893d568511fd9136fd68c0834cb08049fb793209088095626cc0cd4d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9393e5893d568511fd9136fd68c0834cb08049fb793209088095626cc0cd4d7e", kill_on_drop: false }`
[INFO] [stdout] 9393e5893d568511fd9136fd68c0834cb08049fb793209088095626cc0cd4d7e