[INFO] fetching crate magnesium 1.2.0...
[INFO] testing magnesium-1.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate magnesium 1.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate magnesium 1.2.0 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 magnesium 1.2.0
[INFO] finished tweaking crates.io crate magnesium 1.2.0
[INFO] tweaked toml for crates.io crate magnesium 1.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] b4929ec6cc487b74f6ed8c24a65704f9017ea8b08788d6c9914aaa3ba7b2d3be
[INFO] running `Command { std: "docker" "start" "-a" "b4929ec6cc487b74f6ed8c24a65704f9017ea8b08788d6c9914aaa3ba7b2d3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4929ec6cc487b74f6ed8c24a65704f9017ea8b08788d6c9914aaa3ba7b2d3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4929ec6cc487b74f6ed8c24a65704f9017ea8b08788d6c9914aaa3ba7b2d3be", kill_on_drop: false }`
[INFO] [stdout] b4929ec6cc487b74f6ed8c24a65704f9017ea8b08788d6c9914aaa3ba7b2d3be
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 426b1a218578a8e5d55212a80660fcfe20ed207c7fae4bd1389fc09a69730e91
[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" "426b1a218578a8e5d55212a80660fcfe20ed207c7fae4bd1389fc09a69730e91", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "426b1a218578a8e5d55212a80660fcfe20ed207c7fae4bd1389fc09a69730e91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426b1a218578a8e5d55212a80660fcfe20ed207c7fae4bd1389fc09a69730e91", kill_on_drop: false }`
[INFO] [stdout] 426b1a218578a8e5d55212a80660fcfe20ed207c7fae4bd1389fc09a69730e91
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b1d448624e080e7dd4757942b324440dbd0731af487260536bc711dcc13bc4
[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" "77b1d448624e080e7dd4757942b324440dbd0731af487260536bc711dcc13bc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "77b1d448624e080e7dd4757942b324440dbd0731af487260536bc711dcc13bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b1d448624e080e7dd4757942b324440dbd0731af487260536bc711dcc13bc4", kill_on_drop: false }`
[INFO] [stdout] 77b1d448624e080e7dd4757942b324440dbd0731af487260536bc711dcc13bc4
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 226e8320917a2d7f53bc9443dfc2bcd2ac9e04b60a9ce5b2c0b1d05b75f2d528
[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" "226e8320917a2d7f53bc9443dfc2bcd2ac9e04b60a9ce5b2c0b1d05b75f2d528", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_break_on_first_char ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/magnesium-edae583f58a4a462)
[INFO] [stdout] test test_break_on_first_str ... ok
[INFO] [stdout] test elements::test_trim_xml_declaration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_attributes.rs (/opt/rustwide/target/debug/deps/test_attributes-d2af5d5f7feaf3d4)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test empty_string_or_whitespace_gives_none ... ok
[INFO] [stdout] test test_parsing ... 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 tests/test_elements.rs (/opt/rustwide/target/debug/deps/test_elements-ed38d3d4025049ec)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_parsing ... ok
[INFO] [stdout] test test_skipping_comments_parsing ... ok
[INFO] [stdout] test test_empty_tag_no_attrs ... ok
[INFO] [stdout] test test_whitespace_skipping_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests magnesium
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_comments (line 220) ... ok
[INFO] [stdout] test src/elements.rs - elements::trim_text (line 244) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_empty_text_elements (line 187) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.72s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "226e8320917a2d7f53bc9443dfc2bcd2ac9e04b60a9ce5b2c0b1d05b75f2d528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226e8320917a2d7f53bc9443dfc2bcd2ac9e04b60a9ce5b2c0b1d05b75f2d528", kill_on_drop: false }`
[INFO] [stdout] 226e8320917a2d7f53bc9443dfc2bcd2ac9e04b60a9ce5b2c0b1d05b75f2d528