[INFO] crate sonogram 0.4.3 is already in cache
[INFO] testing sonogram-0.4.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate sonogram 0.4.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sonogram 0.4.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sonogram 0.4.3
[INFO] finished tweaking crates.io crate sonogram 0.4.3
[INFO] tweaked toml for crates.io crate sonogram 0.4.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate sonogram 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65a53b26c33aefecdf4bb8a3262b30d785489896ebbf3774bb1e3b323a448522
[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" "65a53b26c33aefecdf4bb8a3262b30d785489896ebbf3774bb1e3b323a448522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65a53b26c33aefecdf4bb8a3262b30d785489896ebbf3774bb1e3b323a448522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a53b26c33aefecdf4bb8a3262b30d785489896ebbf3774bb1e3b323a448522", kill_on_drop: false }`
[INFO] [stdout] 65a53b26c33aefecdf4bb8a3262b30d785489896ebbf3774bb1e3b323a448522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--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] f8d20e15625b8eb1409d7d368c478491339a2e0cbbaf38151337db6fd0dfbc76
[INFO] running `Command { std: "docker" "start" "-a" "f8d20e15625b8eb1409d7d368c478491339a2e0cbbaf38151337db6fd0dfbc76", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling sonogram v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.98s
[INFO] running `Command { std: "docker" "inspect" "f8d20e15625b8eb1409d7d368c478491339a2e0cbbaf38151337db6fd0dfbc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d20e15625b8eb1409d7d368c478491339a2e0cbbaf38151337db6fd0dfbc76", kill_on_drop: false }`
[INFO] [stdout] f8d20e15625b8eb1409d7d368c478491339a2e0cbbaf38151337db6fd0dfbc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 24d889bb150f378f9f8c808119804b0ecb396c4d55ad0bb414fa37c5f4e4c4e2
[INFO] running `Command { std: "docker" "start" "-a" "24d889bb150f378f9f8c808119804b0ecb396c4d55ad0bb414fa37c5f4e4c4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling sonogram v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "24d889bb150f378f9f8c808119804b0ecb396c4d55ad0bb414fa37c5f4e4c4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d889bb150f378f9f8c808119804b0ecb396c4d55ad0bb414fa37c5f4e4c4e2", kill_on_drop: false }`
[INFO] [stdout] 24d889bb150f378f9f8c808119804b0ecb396c4d55ad0bb414fa37c5f4e4c4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 32c9aed21c1bb3b016202c41c8c908918659367edd459fade198bb9c05a65c70
[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" "32c9aed21c1bb3b016202c41c8c908918659367edd459fade198bb9c05a65c70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sonogram-ec868863e78fe3e2
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sonogram-d797e8fd09ca351a
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sonogram
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "32c9aed21c1bb3b016202c41c8c908918659367edd459fade198bb9c05a65c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c9aed21c1bb3b016202c41c8c908918659367edd459fade198bb9c05a65c70", kill_on_drop: false }`
[INFO] [stdout] 32c9aed21c1bb3b016202c41c8c908918659367edd459fade198bb9c05a65c70