[INFO] fetching crate textplots 0.8.0...
[INFO] testing textplots-0.8.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate textplots 0.8.0 into /workspace/builds/worker-81/source
[INFO] validating manifest of crates.io crate textplots 0.8.0 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 textplots 0.8.0
[INFO] finished tweaking crates.io crate textplots 0.8.0
[INFO] tweaked toml for crates.io crate textplots 0.8.0 written to /workspace/builds/worker-81/source/Cargo.toml
[INFO] crate crates.io crate textplots 0.8.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded drawille v0.3.0
[INFO] [stderr]   Downloaded ctrlc v3.2.0
[INFO] [stderr]   Downloaded rgb v0.8.27
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 277b286107e76c99f37a72cfaea77c8d8d43dd20f3426d1fa47d1370b78988d6
[INFO] running `Command { std: "docker" "start" "-a" "277b286107e76c99f37a72cfaea77c8d8d43dd20f3426d1fa47d1370b78988d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "277b286107e76c99f37a72cfaea77c8d8d43dd20f3426d1fa47d1370b78988d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "277b286107e76c99f37a72cfaea77c8d8d43dd20f3426d1fa47d1370b78988d6", kill_on_drop: false }`
[INFO] [stdout] 277b286107e76c99f37a72cfaea77c8d8d43dd20f3426d1fa47d1370b78988d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 1329058ec296778f45f9aef27749ff63564935e40e7f2097fc68ef4b86d4e413
[INFO] running `Command { std: "docker" "start" "-a" "1329058ec296778f45f9aef27749ff63564935e40e7f2097fc68ef4b86d4e413", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling rgb v0.8.27
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling drawille v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling textplots v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.71s
[INFO] running `Command { std: "docker" "inspect" "1329058ec296778f45f9aef27749ff63564935e40e7f2097fc68ef4b86d4e413", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1329058ec296778f45f9aef27749ff63564935e40e7f2097fc68ef4b86d4e413", kill_on_drop: false }`
[INFO] [stdout] 1329058ec296778f45f9aef27749ff63564935e40e7f2097fc68ef4b86d4e413
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] c3dd0a646cdf6e9ec695ebca0d3f84d7e4eda1af8b58509b1ae1a2a9633e8e55
[INFO] running `Command { std: "docker" "start" "-a" "c3dd0a646cdf6e9ec695ebca0d3f84d7e4eda1af8b58509b1ae1a2a9633e8e55", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling nix v0.22.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling console v0.14.1
[INFO] [stderr]    Compiling ctrlc v3.2.0
[INFO] [stderr]    Compiling textplots v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.30s
[INFO] running `Command { std: "docker" "inspect" "c3dd0a646cdf6e9ec695ebca0d3f84d7e4eda1af8b58509b1ae1a2a9633e8e55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3dd0a646cdf6e9ec695ebca0d3f84d7e4eda1af8b58509b1ae1a2a9633e8e55", kill_on_drop: false }`
[INFO] [stdout] c3dd0a646cdf6e9ec695ebca0d3f84d7e4eda1af8b58509b1ae1a2a9633e8e55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 5fa5f2c73b8beb6ab6b11b27b6c5bca2f6f7c568f8417c6ec365885ff0fa086f
[INFO] running `Command { std: "docker" "start" "-a" "5fa5f2c73b8beb6ab6b11b27b6c5bca2f6f7c568f8417c6ec365885ff0fa086f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/textplots-3a113cd54f21b93f)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/textplots-09740e040f20e308)
[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] [stderr]    Doc-tests textplots
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/utils.rs - utils::histogram (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] test src/scale.rs - scale::Scale::inv_linear (line 24) ... ok
[INFO] [stdout] test src/scale.rs - scale::Scale::linear (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5fa5f2c73b8beb6ab6b11b27b6c5bca2f6f7c568f8417c6ec365885ff0fa086f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa5f2c73b8beb6ab6b11b27b6c5bca2f6f7c568f8417c6ec365885ff0fa086f", kill_on_drop: false }`
[INFO] [stdout] 5fa5f2c73b8beb6ab6b11b27b6c5bca2f6f7c568f8417c6ec365885ff0fa086f