[INFO] fetching crate switchable 0.1.0...
[INFO] testing switchable-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate switchable 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate switchable 0.1.0 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 switchable 0.1.0
[INFO] finished tweaking crates.io crate switchable 0.1.0
[INFO] tweaked toml for crates.io crate switchable 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate switchable 0.1.0 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8a9b4f2007f2f981e8c624585568909f7e2976b754ac0bdd827af00f21710e7c
[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" "8a9b4f2007f2f981e8c624585568909f7e2976b754ac0bdd827af00f21710e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a9b4f2007f2f981e8c624585568909f7e2976b754ac0bdd827af00f21710e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9b4f2007f2f981e8c624585568909f7e2976b754ac0bdd827af00f21710e7c", kill_on_drop: false }`
[INFO] [stdout] 8a9b4f2007f2f981e8c624585568909f7e2976b754ac0bdd827af00f21710e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] feda6f238d3d603cfa05e2b5661c636f74f56f844d6fd398702a1e5dda0f0071
[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" "feda6f238d3d603cfa05e2b5661c636f74f56f844d6fd398702a1e5dda0f0071", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling tear v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling switchable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.48s
[INFO] running `Command { std: "docker" "inspect" "feda6f238d3d603cfa05e2b5661c636f74f56f844d6fd398702a1e5dda0f0071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feda6f238d3d603cfa05e2b5661c636f74f56f844d6fd398702a1e5dda0f0071", kill_on_drop: false }`
[INFO] [stdout] feda6f238d3d603cfa05e2b5661c636f74f56f844d6fd398702a1e5dda0f0071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 46993425eb8684dd4ab106503050631ff6f8bd33d41af27e78a92b9d570c3f05
[INFO] running `Command { std: "docker" "start" "-a" "46993425eb8684dd4ab106503050631ff6f8bd33d41af27e78a92b9d570c3f05", kill_on_drop: false }`
[INFO] [stderr]    Compiling switchable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "46993425eb8684dd4ab106503050631ff6f8bd33d41af27e78a92b9d570c3f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46993425eb8684dd4ab106503050631ff6f8bd33d41af27e78a92b9d570c3f05", kill_on_drop: false }`
[INFO] [stdout] 46993425eb8684dd4ab106503050631ff6f8bd33d41af27e78a92b9d570c3f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f1c1d2bad0a728234f1a18192bead12c15ee5bb4b12334b07430cde1fd552420
[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" "f1c1d2bad0a728234f1a18192bead12c15ee5bb4b12334b07430cde1fd552420", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/switchable-84b148c4e917501b
[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" "f1c1d2bad0a728234f1a18192bead12c15ee5bb4b12334b07430cde1fd552420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c1d2bad0a728234f1a18192bead12c15ee5bb4b12334b07430cde1fd552420", kill_on_drop: false }`
[INFO] [stdout] f1c1d2bad0a728234f1a18192bead12c15ee5bb4b12334b07430cde1fd552420