[INFO] fetching crate truncated_free_groups 0.1.0...
[INFO] testing truncated_free_groups-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate truncated_free_groups 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate truncated_free_groups 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate truncated_free_groups 0.1.0
[INFO] finished tweaking crates.io crate truncated_free_groups 0.1.0
[INFO] tweaked toml for crates.io crate truncated_free_groups 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2bdfee20f1c44a281eac3018f1e39f5364ec960430ff8e1443ca751213ef82d
[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" "a2bdfee20f1c44a281eac3018f1e39f5364ec960430ff8e1443ca751213ef82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2bdfee20f1c44a281eac3018f1e39f5364ec960430ff8e1443ca751213ef82d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2bdfee20f1c44a281eac3018f1e39f5364ec960430ff8e1443ca751213ef82d", kill_on_drop: false }`
[INFO] [stdout] a2bdfee20f1c44a281eac3018f1e39f5364ec960430ff8e1443ca751213ef82d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34ba47c0ee15f0f8839d20cfbfa6cbd71217f5865cdfb53eae3ae061bd60a8c5
[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" "34ba47c0ee15f0f8839d20cfbfa6cbd71217f5865cdfb53eae3ae061bd60a8c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling l_group_formulas v0.1.0
[INFO] [stderr]    Compiling truncated_free_groups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.74s
[INFO] running `Command { std: "docker" "inspect" "34ba47c0ee15f0f8839d20cfbfa6cbd71217f5865cdfb53eae3ae061bd60a8c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ba47c0ee15f0f8839d20cfbfa6cbd71217f5865cdfb53eae3ae061bd60a8c5", kill_on_drop: false }`
[INFO] [stdout] 34ba47c0ee15f0f8839d20cfbfa6cbd71217f5865cdfb53eae3ae061bd60a8c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51a8543981560f51215363ab6c21a62c4dbf431a2490c2b6b0acccd3ae607de2
[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" "51a8543981560f51215363ab6c21a62c4dbf431a2490c2b6b0acccd3ae607de2", kill_on_drop: false }`
[INFO] [stderr]    Compiling truncated_free_groups v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "51a8543981560f51215363ab6c21a62c4dbf431a2490c2b6b0acccd3ae607de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a8543981560f51215363ab6c21a62c4dbf431a2490c2b6b0acccd3ae607de2", kill_on_drop: false }`
[INFO] [stdout] 51a8543981560f51215363ab6c21a62c4dbf431a2490c2b6b0acccd3ae607de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5e9624a3f914a14a74f3a99d5bcd9a4a28e7b734d7a00089c02fc38d5d6fd6c
[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" "c5e9624a3f914a14a74f3a99d5bcd9a4a28e7b734d7a00089c02fc38d5d6fd6c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/truncated_free_groups-77f592184d3ddc8b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests truncated_free_groups
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/truncated_subgroup.rs - truncated_subgroup::TruncatedSubgroup (line 11) ... ok
[INFO] [stdout] test src/truncated_group.rs - truncated_group::TruncatedGroup (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5e9624a3f914a14a74f3a99d5bcd9a4a28e7b734d7a00089c02fc38d5d6fd6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e9624a3f914a14a74f3a99d5bcd9a4a28e7b734d7a00089c02fc38d5d6fd6c", kill_on_drop: false }`
[INFO] [stdout] c5e9624a3f914a14a74f3a99d5bcd9a4a28e7b734d7a00089c02fc38d5d6fd6c