[INFO] fetching crate plot 0.2.0...
[INFO] testing plot-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate plot 0.2.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate plot 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plot 0.2.0
[INFO] finished tweaking crates.io crate plot 0.2.0
[INFO] tweaked toml for crates.io crate plot 0.2.0 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b9d07a94062c79ca121e9bcdec81716d61d7c6c1ae2d2204d5d1300a6917b8e
[INFO] running `Command { std: "docker" "start" "-a" "1b9d07a94062c79ca121e9bcdec81716d61d7c6c1ae2d2204d5d1300a6917b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b9d07a94062c79ca121e9bcdec81716d61d7c6c1ae2d2204d5d1300a6917b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9d07a94062c79ca121e9bcdec81716d61d7c6c1ae2d2204d5d1300a6917b8e", kill_on_drop: false }`
[INFO] [stdout] 1b9d07a94062c79ca121e9bcdec81716d61d7c6c1ae2d2204d5d1300a6917b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e832d6f1af2c97349a5850d8294fee7c0e24f3a1763c316223adc9e71377136d
[INFO] running `Command { std: "docker" "start" "-a" "e832d6f1af2c97349a5850d8294fee7c0e24f3a1763c316223adc9e71377136d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling plotlib v0.1.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling plot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.85s
[INFO] running `Command { std: "docker" "inspect" "e832d6f1af2c97349a5850d8294fee7c0e24f3a1763c316223adc9e71377136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e832d6f1af2c97349a5850d8294fee7c0e24f3a1763c316223adc9e71377136d", kill_on_drop: false }`
[INFO] [stdout] e832d6f1af2c97349a5850d8294fee7c0e24f3a1763c316223adc9e71377136d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08aa00c09b89e5d0b256cb400c64be12f0be10a7cdc5ad50c906d425e63281b9
[INFO] running `Command { std: "docker" "start" "-a" "08aa00c09b89e5d0b256cb400c64be12f0be10a7cdc5ad50c906d425e63281b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling plot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/plot-c1699500985a419c)
[INFO] [stderr]   Executable unittests src/bin/plot.rs (/opt/rustwide/target/debug/deps/plot-ed34ca2fa90e7637)
[INFO] running `Command { std: "docker" "inspect" "08aa00c09b89e5d0b256cb400c64be12f0be10a7cdc5ad50c906d425e63281b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08aa00c09b89e5d0b256cb400c64be12f0be10a7cdc5ad50c906d425e63281b9", kill_on_drop: false }`
[INFO] [stdout] 08aa00c09b89e5d0b256cb400c64be12f0be10a7cdc5ad50c906d425e63281b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] abb51e61e930bae89c0ea8244707577ee6c563be9d4841c6a771e4aa3f87befe
[INFO] running `Command { std: "docker" "start" "-a" "abb51e61e930bae89c0ea8244707577ee6c563be9d4841c6a771e4aa3f87befe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/plot-c1699500985a419c)
[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 src/bin/plot.rs (/opt/rustwide/target/debug/deps/plot-ed34ca2fa90e7637)
[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 plot
[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" "abb51e61e930bae89c0ea8244707577ee6c563be9d4841c6a771e4aa3f87befe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abb51e61e930bae89c0ea8244707577ee6c563be9d4841c6a771e4aa3f87befe", kill_on_drop: false }`
[INFO] [stdout] abb51e61e930bae89c0ea8244707577ee6c563be9d4841c6a771e4aa3f87befe