[INFO] fetching crate coarse-prof 0.2.4...
[INFO] testing coarse-prof-0.2.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate coarse-prof 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate coarse-prof 0.2.4 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coarse-prof 0.2.4
[INFO] finished tweaking crates.io crate coarse-prof 0.2.4
[INFO] tweaked toml for crates.io crate coarse-prof 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dec96008ac57497bec4cf9c4ea00d7e1ef7fccc7a4fc32f04903c4a1be3c39ad
[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" "dec96008ac57497bec4cf9c4ea00d7e1ef7fccc7a4fc32f04903c4a1be3c39ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dec96008ac57497bec4cf9c4ea00d7e1ef7fccc7a4fc32f04903c4a1be3c39ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec96008ac57497bec4cf9c4ea00d7e1ef7fccc7a4fc32f04903c4a1be3c39ad", kill_on_drop: false }`
[INFO] [stdout] dec96008ac57497bec4cf9c4ea00d7e1ef7fccc7a4fc32f04903c4a1be3c39ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 804b57b5dbf4dd0c1efd2c199b4af6b82110b6745fc30fa76e8a7e3f1a7006ef
[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" "804b57b5dbf4dd0c1efd2c199b4af6b82110b6745fc30fa76e8a7e3f1a7006ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling floating-duration v0.1.2
[INFO] [stderr]    Compiling coarse-prof v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "804b57b5dbf4dd0c1efd2c199b4af6b82110b6745fc30fa76e8a7e3f1a7006ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804b57b5dbf4dd0c1efd2c199b4af6b82110b6745fc30fa76e8a7e3f1a7006ef", kill_on_drop: false }`
[INFO] [stdout] 804b57b5dbf4dd0c1efd2c199b4af6b82110b6745fc30fa76e8a7e3f1a7006ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a8ccd8e48c1d06e5e77dd710818cd29a6d3ecf13f503c041295fece12bd1a88
[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" "4a8ccd8e48c1d06e5e77dd710818cd29a6d3ecf13f503c041295fece12bd1a88", kill_on_drop: false }`
[INFO] [stderr]    Compiling coarse-prof v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "4a8ccd8e48c1d06e5e77dd710818cd29a6d3ecf13f503c041295fece12bd1a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8ccd8e48c1d06e5e77dd710818cd29a6d3ecf13f503c041295fece12bd1a88", kill_on_drop: false }`
[INFO] [stdout] 4a8ccd8e48c1d06e5e77dd710818cd29a6d3ecf13f503c041295fece12bd1a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3a56faa7b1a3005dcdf636d418a2de177688afaba82f90a8da4f6f576bea728
[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" "d3a56faa7b1a3005dcdf636d418a2de177688afaba82f90a8da4f6f576bea728", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coarse_prof-a2d5a9f09076b42f
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_succ_reuse ... ok
[INFO] [stdout] test tests::test_multiple_roots ... ok
[INFO] [stderr]    Doc-tests coarse-prof
[INFO] [stdout] test tests::test_reset_during_frame ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - profile (line 121) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d3a56faa7b1a3005dcdf636d418a2de177688afaba82f90a8da4f6f576bea728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a56faa7b1a3005dcdf636d418a2de177688afaba82f90a8da4f6f576bea728", kill_on_drop: false }`
[INFO] [stdout] d3a56faa7b1a3005dcdf636d418a2de177688afaba82f90a8da4f6f576bea728