[INFO] fetching crate magnesium 1.0.0...
[INFO] testing magnesium-1.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate magnesium 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate magnesium 1.0.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate magnesium 1.0.0
[INFO] finished tweaking crates.io crate magnesium 1.0.0
[INFO] tweaked toml for crates.io crate magnesium 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d78882c52bd7f8369569c6124adb13c8976fa2953ac0f4cea05bcc9e4988e7
[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" "43d78882c52bd7f8369569c6124adb13c8976fa2953ac0f4cea05bcc9e4988e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d78882c52bd7f8369569c6124adb13c8976fa2953ac0f4cea05bcc9e4988e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d78882c52bd7f8369569c6124adb13c8976fa2953ac0f4cea05bcc9e4988e7", kill_on_drop: false }`
[INFO] [stdout] 43d78882c52bd7f8369569c6124adb13c8976fa2953ac0f4cea05bcc9e4988e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e86aaf564eb8257b5bc0fcd04bd1336b73b0531f3c312e58c49b532d9ceedce6
[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" "e86aaf564eb8257b5bc0fcd04bd1336b73b0531f3c312e58c49b532d9ceedce6", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "e86aaf564eb8257b5bc0fcd04bd1336b73b0531f3c312e58c49b532d9ceedce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86aaf564eb8257b5bc0fcd04bd1336b73b0531f3c312e58c49b532d9ceedce6", kill_on_drop: false }`
[INFO] [stdout] e86aaf564eb8257b5bc0fcd04bd1336b73b0531f3c312e58c49b532d9ceedce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--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] e253dd27229dc2706a170093ec5f6aeac831215ec383f885dd52ccd501a317e1
[INFO] running `Command { std: "docker" "start" "-a" "e253dd27229dc2706a170093ec5f6aeac831215ec383f885dd52ccd501a317e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "e253dd27229dc2706a170093ec5f6aeac831215ec383f885dd52ccd501a317e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e253dd27229dc2706a170093ec5f6aeac831215ec383f885dd52ccd501a317e1", kill_on_drop: false }`
[INFO] [stdout] e253dd27229dc2706a170093ec5f6aeac831215ec383f885dd52ccd501a317e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2a10e41901e599565f0ac0b799f10e6109ee2ab763159e2dfa8a6e0710c8d65
[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" "c2a10e41901e599565f0ac0b799f10e6109ee2ab763159e2dfa8a6e0710c8d65", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/magnesium-d2b58490537de9ea
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_attributes-c53529cbe7ac3dc2
[INFO] [stdout] running 3 tests
[INFO] [stdout] test elements::test_trim_xml_declaration ... ok
[INFO] [stdout] test test_break_on_first_str ... ok
[INFO] [stdout] test test_break_on_first_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_elements-eda67f0bc43aabf2
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_empty_tag_no_attrs ... ok
[INFO] [stdout] test test_parsing ... ok
[INFO] [stdout] test test_skipping_comments_parsing ... 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 3 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_comments (line 175) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_empty_text_elements (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2a10e41901e599565f0ac0b799f10e6109ee2ab763159e2dfa8a6e0710c8d65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a10e41901e599565f0ac0b799f10e6109ee2ab763159e2dfa8a6e0710c8d65", kill_on_drop: false }`
[INFO] [stdout] c2a10e41901e599565f0ac0b799f10e6109ee2ab763159e2dfa8a6e0710c8d65