[INFO] fetching crate spongedown 0.5.0-alpha.1...
[INFO] testing spongedown-0.5.0-alpha.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate spongedown 0.5.0-alpha.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spongedown 0.5.0-alpha.1 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 spongedown 0.5.0-alpha.1
[INFO] finished tweaking crates.io crate spongedown 0.5.0-alpha.1
[INFO] tweaked toml for crates.io crate spongedown 0.5.0-alpha.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate spongedown 0.5.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 474b8189febed02212f781fbe1d3ba43e566302dcc2934ac610cd79b178f0cf5
[INFO] running `Command { std: "docker" "start" "-a" "474b8189febed02212f781fbe1d3ba43e566302dcc2934ac610cd79b178f0cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "474b8189febed02212f781fbe1d3ba43e566302dcc2934ac610cd79b178f0cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474b8189febed02212f781fbe1d3ba43e566302dcc2934ac610cd79b178f0cf5", kill_on_drop: false }`
[INFO] [stdout] 474b8189febed02212f781fbe1d3ba43e566302dcc2934ac610cd79b178f0cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 210130b5134c5b62715d58c5d408d04042d78c4ef8e7abc2dc3e628bbd84df75
[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" "210130b5134c5b62715d58c5d408d04042d78c4ef8e7abc2dc3e628bbd84df75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling xml-rs v0.8.2
[INFO] [stderr]    Compiling downcast-rs v1.1.1
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling shell-words v1.0.0
[INFO] [stderr]    Compiling pom v3.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling url_path v0.1.3
[INFO] [stderr]    Compiling file v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling mt-dom v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling twoway v0.2.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling fancy-regex v0.3.3
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling plist v0.5.5
[INFO] [stderr]    Compiling bincode v1.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling comrak v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling sauron-core v0.32.0
[INFO] [stderr]    Compiling sauron v0.32.0
[INFO] [stderr]    Compiling syntect v4.1.1
[INFO] [stderr]    Compiling ncollide2d v0.19.2
[INFO] [stderr]    Compiling svgbob v0.5.0-alpha.8
[INFO] [stderr]    Compiling spongedown v0.5.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "210130b5134c5b62715d58c5d408d04042d78c4ef8e7abc2dc3e628bbd84df75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210130b5134c5b62715d58c5d408d04042d78c4ef8e7abc2dc3e628bbd84df75", kill_on_drop: false }`
[INFO] [stdout] 210130b5134c5b62715d58c5d408d04042d78c4ef8e7abc2dc3e628bbd84df75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 86bce65bb1e1a8b84205ee452bdd0f223fdcdf6101ef5247ab3d2f31a9df3444
[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" "86bce65bb1e1a8b84205ee452bdd0f223fdcdf6101ef5247ab3d2f31a9df3444", kill_on_drop: false }`
[INFO] [stderr]    Compiling spongedown v0.5.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/sponge_with_dir.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fs::create_dir_all("out");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/sponge_with_dir.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fs::write("out/sponge.html", &html.content);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fs::create_dir_all("out");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/simple.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fs::write("out/simple.html", &html.content);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "86bce65bb1e1a8b84205ee452bdd0f223fdcdf6101ef5247ab3d2f31a9df3444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86bce65bb1e1a8b84205ee452bdd0f223fdcdf6101ef5247ab3d2f31a9df3444", kill_on_drop: false }`
[INFO] [stdout] 86bce65bb1e1a8b84205ee452bdd0f223fdcdf6101ef5247ab3d2f31a9df3444
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b4456b0385a58e675d49b9a3dc907f8f4a445c3873cef19fc3c33369845e1a8a
[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" "b4456b0385a58e675d49b9a3dc907f8f4a445c3873cef19fc3c33369845e1a8a", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/simple.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fs::create_dir_all("out");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/simple.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fs::write("out/simple.html", &html.content);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/sponge_with_dir.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fs::create_dir_all("out");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/sponge_with_dir.rs:84:5
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fs::write("out/sponge.html", &html.content);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `spongedown` (example "simple") generated 2 warnings
[INFO] [stderr] warning: `spongedown` (example "sponge_with_dir") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spongedown-eed50f4683b59fd3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests spongedown
[INFO] [stdout] test test::title ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[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" "b4456b0385a58e675d49b9a3dc907f8f4a445c3873cef19fc3c33369845e1a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4456b0385a58e675d49b9a3dc907f8f4a445c3873cef19fc3c33369845e1a8a", kill_on_drop: false }`
[INFO] [stdout] b4456b0385a58e675d49b9a3dc907f8f4a445c3873cef19fc3c33369845e1a8a