[INFO] fetching crate smallset 0.1.1...
[INFO] testing smallset-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate smallset 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate smallset 0.1.1 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 smallset 0.1.1
[INFO] finished tweaking crates.io crate smallset 0.1.1
[INFO] tweaked toml for crates.io crate smallset 0.1.1 written to /workspace/builds/worker-14/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb28085b4a24b6a0c61d8b713a1552ca43b5bafd0666c4e3f123ec7dddb76fae
[INFO] running `Command { std: "docker" "start" "-a" "eb28085b4a24b6a0c61d8b713a1552ca43b5bafd0666c4e3f123ec7dddb76fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb28085b4a24b6a0c61d8b713a1552ca43b5bafd0666c4e3f123ec7dddb76fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb28085b4a24b6a0c61d8b713a1552ca43b5bafd0666c4e3f123ec7dddb76fae", kill_on_drop: false }`
[INFO] [stdout] eb28085b4a24b6a0c61d8b713a1552ca43b5bafd0666c4e3f123ec7dddb76fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] dc7f312ba5adc97a8df8ce91dd2ddf92fa4751073b1c792e0a2910a184dca9d1
[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" "dc7f312ba5adc97a8df8ce91dd2ddf92fa4751073b1c792e0a2910a184dca9d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v0.1.8
[INFO] [stderr]    Compiling smallset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "dc7f312ba5adc97a8df8ce91dd2ddf92fa4751073b1c792e0a2910a184dca9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7f312ba5adc97a8df8ce91dd2ddf92fa4751073b1c792e0a2910a184dca9d1", kill_on_drop: false }`
[INFO] [stdout] dc7f312ba5adc97a8df8ce91dd2ddf92fa4751073b1c792e0a2910a184dca9d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 5adf084eee4054e43a301abb741be16c4dc032b94ede797888a5d31d1f841c58
[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" "5adf084eee4054e43a301abb741be16c4dc032b94ede797888a5d31d1f841c58", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallset v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "5adf084eee4054e43a301abb741be16c4dc032b94ede797888a5d31d1f841c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adf084eee4054e43a301abb741be16c4dc032b94ede797888a5d31d1f841c58", kill_on_drop: false }`
[INFO] [stdout] 5adf084eee4054e43a301abb741be16c4dc032b94ede797888a5d31d1f841c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 41c1143d7e122f2b0c9ba74da2b755f29105a457712bc8089097d653936a6081
[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" "41c1143d7e122f2b0c9ba74da2b755f29105a457712bc8089097d653936a6081", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smallset-5a4cb435eba76cd3
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests smallset
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::test_clone ... ok
[INFO] [stdout] test test::test_debug ... ok
[INFO] [stdout] test test::test_basic_set ... ok
[INFO] [stdout] test test::test_remove ... ok
[INFO] [stdout] test test::test_fromiter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SmallSet (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "41c1143d7e122f2b0c9ba74da2b755f29105a457712bc8089097d653936a6081", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c1143d7e122f2b0c9ba74da2b755f29105a457712bc8089097d653936a6081", kill_on_drop: false }`
[INFO] [stdout] 41c1143d7e122f2b0c9ba74da2b755f29105a457712bc8089097d653936a6081