[INFO] fetching crate abbrev-tree 0.1.1...
[INFO] testing abbrev-tree-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate abbrev-tree 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate abbrev-tree 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abbrev-tree 0.1.1
[INFO] finished tweaking crates.io crate abbrev-tree 0.1.1
[INFO] tweaked toml for crates.io crate abbrev-tree 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e1deb4ccef4d87aa74a712147e0fae05d54e86909acc67346d1bab2afb4144
[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" "00e1deb4ccef4d87aa74a712147e0fae05d54e86909acc67346d1bab2afb4144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e1deb4ccef4d87aa74a712147e0fae05d54e86909acc67346d1bab2afb4144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e1deb4ccef4d87aa74a712147e0fae05d54e86909acc67346d1bab2afb4144", kill_on_drop: false }`
[INFO] [stdout] 00e1deb4ccef4d87aa74a712147e0fae05d54e86909acc67346d1bab2afb4144
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 0c947c8d4b4a278e4fab689c40ed453f55267c83135bee5ecac77c14e3d13623
[INFO] running `Command { std: "docker" "start" "-a" "0c947c8d4b4a278e4fab689c40ed453f55267c83135bee5ecac77c14e3d13623", kill_on_drop: false }`
[INFO] [stderr]    Compiling abbrev-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "0c947c8d4b4a278e4fab689c40ed453f55267c83135bee5ecac77c14e3d13623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c947c8d4b4a278e4fab689c40ed453f55267c83135bee5ecac77c14e3d13623", kill_on_drop: false }`
[INFO] [stdout] 0c947c8d4b4a278e4fab689c40ed453f55267c83135bee5ecac77c14e3d13623
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 79d54a2d8b744c7ee2c83fe2655cdbf058f370e8b83bcfecb493f2491325ba04
[INFO] running `Command { std: "docker" "start" "-a" "79d54a2d8b744c7ee2c83fe2655cdbf058f370e8b83bcfecb493f2491325ba04", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling abbrev-tree v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "79d54a2d8b744c7ee2c83fe2655cdbf058f370e8b83bcfecb493f2491325ba04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d54a2d8b744c7ee2c83fe2655cdbf058f370e8b83bcfecb493f2491325ba04", kill_on_drop: false }`
[INFO] [stdout] 79d54a2d8b744c7ee2c83fe2655cdbf058f370e8b83bcfecb493f2491325ba04
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 49ef1fb6ac9fab4f18cee1a803d40a971a2d7d08714a4f1a522f8e6549baf7bd
[INFO] running `Command { std: "docker" "start" "-a" "49ef1fb6ac9fab4f18cee1a803d40a971a2d7d08714a4f1a522f8e6549baf7bd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/abbrev_tree-4c5928f6fded885f)
[INFO] [stdout] test test_common_prefix_length ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dump_tree-50f7f0f8b11be701)
[INFO] [stdout] test test_abbrev_tree ... ok
[INFO] [stderr]    Doc-tests abbrev-tree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49ef1fb6ac9fab4f18cee1a803d40a971a2d7d08714a4f1a522f8e6549baf7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ef1fb6ac9fab4f18cee1a803d40a971a2d7d08714a4f1a522f8e6549baf7bd", kill_on_drop: false }`
[INFO] [stdout] 49ef1fb6ac9fab4f18cee1a803d40a971a2d7d08714a4f1a522f8e6549baf7bd