[INFO] fetching crate perftree 0.1.2...
[INFO] testing perftree-0.1.2 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate perftree 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate perftree 0.1.2 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate perftree 0.1.2
[INFO] finished tweaking crates.io crate perftree 0.1.2
[INFO] tweaked toml for crates.io crate perftree 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate perftree 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c005549d4bf25e4a3a3fe80419bcb130a9f5e6774c0d267efb57149a0d90963
[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" "0c005549d4bf25e4a3a3fe80419bcb130a9f5e6774c0d267efb57149a0d90963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c005549d4bf25e4a3a3fe80419bcb130a9f5e6774c0d267efb57149a0d90963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c005549d4bf25e4a3a3fe80419bcb130a9f5e6774c0d267efb57149a0d90963", kill_on_drop: false }`
[INFO] [stdout] 0c005549d4bf25e4a3a3fe80419bcb130a9f5e6774c0d267efb57149a0d90963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 7fdc05e11e7c023d22553f0e3b38d67762e8d6ce5dd71888cbfb1fb503e2c11c
[INFO] running `Command { std: "docker" "start" "-a" "7fdc05e11e7c023d22553f0e3b38d67762e8d6ce5dd71888cbfb1fb503e2c11c", kill_on_drop: false }`
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling perftree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "7fdc05e11e7c023d22553f0e3b38d67762e8d6ce5dd71888cbfb1fb503e2c11c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fdc05e11e7c023d22553f0e3b38d67762e8d6ce5dd71888cbfb1fb503e2c11c", kill_on_drop: false }`
[INFO] [stdout] 7fdc05e11e7c023d22553f0e3b38d67762e8d6ce5dd71888cbfb1fb503e2c11c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a68aa123e410ca8c6e1975fe0b2c2b616cccdeac74666c90fa224d5d2b465a8
[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" "8a68aa123e410ca8c6e1975fe0b2c2b616cccdeac74666c90fa224d5d2b465a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling perftree v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "8a68aa123e410ca8c6e1975fe0b2c2b616cccdeac74666c90fa224d5d2b465a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a68aa123e410ca8c6e1975fe0b2c2b616cccdeac74666c90fa224d5d2b465a8", kill_on_drop: false }`
[INFO] [stdout] 8a68aa123e410ca8c6e1975fe0b2c2b616cccdeac74666c90fa224d5d2b465a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", 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] fed1d30077e4e27f299b9644f2f506df99fd5bfdc3fc4624dcd6c79539fd413d
[INFO] running `Command { std: "docker" "start" "-a" "fed1d30077e4e27f299b9644f2f506df99fd5bfdc3fc4624dcd6c79539fd413d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/perftree-74557d1325ba514d
[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" "fed1d30077e4e27f299b9644f2f506df99fd5bfdc3fc4624dcd6c79539fd413d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed1d30077e4e27f299b9644f2f506df99fd5bfdc3fc4624dcd6c79539fd413d", kill_on_drop: false }`
[INFO] [stdout] fed1d30077e4e27f299b9644f2f506df99fd5bfdc3fc4624dcd6c79539fd413d