[INFO] fetching crate poloto 2.20.4...
[INFO] testing poloto-2.20.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate poloto 2.20.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate poloto 2.20.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poloto 2.20.4
[INFO] finished tweaking crates.io crate poloto 2.20.4
[INFO] tweaked toml for crates.io crate poloto 2.20.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate poloto 2.20.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0504ec83af1172749a3252b12c8868e8e0edf96b0f7b83d13980baedba5a3c8f
[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" "0504ec83af1172749a3252b12c8868e8e0edf96b0f7b83d13980baedba5a3c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0504ec83af1172749a3252b12c8868e8e0edf96b0f7b83d13980baedba5a3c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0504ec83af1172749a3252b12c8868e8e0edf96b0f7b83d13980baedba5a3c8f", kill_on_drop: false }`
[INFO] [stdout] 0504ec83af1172749a3252b12c8868e8e0edf96b0f7b83d13980baedba5a3c8f
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 340208fd71d0991a6a22b40f920321697242ac8116dec7b1d2a28e9e5b0dee3d
[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" "340208fd71d0991a6a22b40f920321697242ac8116dec7b1d2a28e9e5b0dee3d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tagger v3.2.1
[INFO] [stderr]    Compiling poloto v2.20.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "340208fd71d0991a6a22b40f920321697242ac8116dec7b1d2a28e9e5b0dee3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340208fd71d0991a6a22b40f920321697242ac8116dec7b1d2a28e9e5b0dee3d", kill_on_drop: false }`
[INFO] [stdout] 340208fd71d0991a6a22b40f920321697242ac8116dec7b1d2a28e9e5b0dee3d
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42182d31617e52ceb0197d245e222c355d4879fd678464313314e97f9b94dc94
[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" "42182d31617e52ceb0197d245e222c355d4879fd678464313314e97f9b94dc94", kill_on_drop: false }`
[INFO] [stderr]    Compiling poloto v2.20.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "42182d31617e52ceb0197d245e222c355d4879fd678464313314e97f9b94dc94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42182d31617e52ceb0197d245e222c355d4879fd678464313314e97f9b94dc94", kill_on_drop: false }`
[INFO] [stdout] 42182d31617e52ceb0197d245e222c355d4879fd678464313314e97f9b94dc94
[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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b04dd25a44277ace568f88b96dac05662703c46a887443100ac9cd16d8a4f4d8
[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" "b04dd25a44277ace568f88b96dac05662703c46a887443100ac9cd16d8a4f4d8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poloto-0e7c690cbc805302)
[INFO] [stderr]    Doc-tests poloto
[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] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - Plotter::new (line 281) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::line (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::xmarker (line 401) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::ymarker (line 416) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::scatter (line 353) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::num_css_class (line 443) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::histogram (line 378) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::line_fill (line 327) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::simple_theme_dark (line 512) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::render (line 476) ... ok
[INFO] [stdout] test src/lib.rs - test_readme (line 66) ... ok
[INFO] [stdout] test src/lib.rs - test_readme (line 147) ... ok
[INFO] [stdout] test src/lib.rs - test_readme (line 34) ... ok
[INFO] [stdout] test src/lib.rs - test_readme (line 175) ... ok
[INFO] [stdout] test src/lib.rs - Plotter::simple_theme (line 490) ... ok
[INFO] [stdout] test src/lib.rs - test_readme (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b04dd25a44277ace568f88b96dac05662703c46a887443100ac9cd16d8a4f4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04dd25a44277ace568f88b96dac05662703c46a887443100ac9cd16d8a4f4d8", kill_on_drop: false }`
[INFO] [stdout] b04dd25a44277ace568f88b96dac05662703c46a887443100ac9cd16d8a4f4d8