[INFO] fetching crate timeplot 0.8.1...
[INFO] testing timeplot-0.8.1 against 1.52.1 for beta-1.52-2
[INFO] extracting crate timeplot 0.8.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate timeplot 0.8.1 on toolchain 1.52.1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate timeplot 0.8.1
[INFO] finished tweaking crates.io crate timeplot 0.8.1
[INFO] tweaked toml for crates.io crate timeplot 0.8.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate timeplot 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.52.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "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] 951453a5a6025e9773f17adcc89381a62ff3063435d1b93d3e2f5ac8547f395b
[INFO] running `Command { std: "docker" "start" "-a" "951453a5a6025e9773f17adcc89381a62ff3063435d1b93d3e2f5ac8547f395b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "951453a5a6025e9773f17adcc89381a62ff3063435d1b93d3e2f5ac8547f395b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "951453a5a6025e9773f17adcc89381a62ff3063435d1b93d3e2f5ac8547f395b", kill_on_drop: false }`
[INFO] [stdout] 951453a5a6025e9773f17adcc89381a62ff3063435d1b93d3e2f5ac8547f395b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b070508ba633062e47e690765736113ce8d932095c6f082cba33226cad3fb146
[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" "b070508ba633062e47e690765736113ce8d932095c6f082cba33226cad3fb146", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling gnuplot v0.0.37
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling directories v3.0.1
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling timeplot v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.96s
[INFO] running `Command { std: "docker" "inspect" "b070508ba633062e47e690765736113ce8d932095c6f082cba33226cad3fb146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b070508ba633062e47e690765736113ce8d932095c6f082cba33226cad3fb146", kill_on_drop: false }`
[INFO] [stdout] b070508ba633062e47e690765736113ce8d932095c6f082cba33226cad3fb146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb57a9bb14c5b3de7686fc3aaa9f0bdce6642de2948b88b1633598fba33c0af9
[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" "eb57a9bb14c5b3de7686fc3aaa9f0bdce6642de2948b88b1633598fba33c0af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling timeplot v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "eb57a9bb14c5b3de7686fc3aaa9f0bdce6642de2948b88b1633598fba33c0af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb57a9bb14c5b3de7686fc3aaa9f0bdce6642de2948b88b1633598fba33c0af9", kill_on_drop: false }`
[INFO] [stdout] eb57a9bb14c5b3de7686fc3aaa9f0bdce6642de2948b88b1633598fba33c0af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+1.52.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 295d0294e49222ea2971c1958607842ec7887852cd2a9043584f46dd5dd75eb3
[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" "295d0294e49222ea2971c1958607842ec7887852cd2a9043584f46dd5dd75eb3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timeplot-52f19623de2a449e)
[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" "295d0294e49222ea2971c1958607842ec7887852cd2a9043584f46dd5dd75eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295d0294e49222ea2971c1958607842ec7887852cd2a9043584f46dd5dd75eb3", kill_on_drop: false }`
[INFO] [stdout] 295d0294e49222ea2971c1958607842ec7887852cd2a9043584f46dd5dd75eb3