[INFO] fetching crate buzzec-strip-dag-node 1.0.0...
[INFO] testing buzzec-strip-dag-node-1.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate buzzec-strip-dag-node 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate buzzec-strip-dag-node 1.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buzzec-strip-dag-node 1.0.0
[INFO] finished tweaking crates.io crate buzzec-strip-dag-node 1.0.0
[INFO] tweaked toml for crates.io crate buzzec-strip-dag-node 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate buzzec-strip-dag-node 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cmd v1.0.4
[INFO] [stderr]   Downloaded bimap v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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] e950abf639de68a1033d97b03f2746a3d2be5d404381ace007f7ea12029352a2
[INFO] running `Command { std: "docker" "start" "-a" "e950abf639de68a1033d97b03f2746a3d2be5d404381ace007f7ea12029352a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e950abf639de68a1033d97b03f2746a3d2be5d404381ace007f7ea12029352a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e950abf639de68a1033d97b03f2746a3d2be5d404381ace007f7ea12029352a2", kill_on_drop: false }`
[INFO] [stdout] e950abf639de68a1033d97b03f2746a3d2be5d404381ace007f7ea12029352a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51871588ef51e02ac7ef1830c6c23ab7a18229389cbff550d8ddf8807dc3b35
[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" "a51871588ef51e02ac7ef1830c6c23ab7a18229389cbff550d8ddf8807dc3b35", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bimap v0.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slotmap v1.0.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling buzzec-strip-dag-node v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "a51871588ef51e02ac7ef1830c6c23ab7a18229389cbff550d8ddf8807dc3b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51871588ef51e02ac7ef1830c6c23ab7a18229389cbff550d8ddf8807dc3b35", kill_on_drop: false }`
[INFO] [stdout] a51871588ef51e02ac7ef1830c6c23ab7a18229389cbff550d8ddf8807dc3b35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c311d515c571d9679b37d32f742f9f87e13174e31fa40b5d1e418fa531f8dc6e
[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" "c311d515c571d9679b37d32f742f9f87e13174e31fa40b5d1e418fa531f8dc6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling predicates-tree v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling assert_cmd v1.0.4
[INFO] [stderr]    Compiling buzzec-strip-dag-node v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.29s
[INFO] running `Command { std: "docker" "inspect" "c311d515c571d9679b37d32f742f9f87e13174e31fa40b5d1e418fa531f8dc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c311d515c571d9679b37d32f742f9f87e13174e31fa40b5d1e418fa531f8dc6e", kill_on_drop: false }`
[INFO] [stdout] c311d515c571d9679b37d32f742f9f87e13174e31fa40b5d1e418fa531f8dc6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0326a6208513677b17a0d3bea9175454ceafc2fc04dd97cf4f5807b03d4e83a6
[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" "0326a6208513677b17a0d3bea9175454ceafc2fc04dd97cf4f5807b03d4e83a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 5 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buzzec_strip_dag_node-60c23c4cd9205eda)
[INFO] [stdout] test opt::test::opt_test ... ok
[INFO] [stdout] test dag::test::verify_test ... ok
[INFO] [stdout] test dag::test::parse_str_test ... ok
[INFO] [stdout] test dag::test::remove_test ... ok
[INFO] [stdout] test dag::test::print_alphabetically_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-843d3adfd1e758b3)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test null_input_test ... ok
[INFO] [stdout] test multiple_same_edge_test ... ok
[INFO] [stdout] test large_connection_strip ... ok
[INFO] [stdout] test multi_strip_test ... ok
[INFO] [stdout] test no_verify_test ... ok
[INFO] [stdout] test arg_test ... ok
[INFO] [stdout] test not_present_strip ... ok
[INFO] [stdout] test no_strip_test ... ok
[INFO] [stdout] test stdin_test ... ok
[INFO] [stdout] test bad_dag_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0326a6208513677b17a0d3bea9175454ceafc2fc04dd97cf4f5807b03d4e83a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0326a6208513677b17a0d3bea9175454ceafc2fc04dd97cf4f5807b03d4e83a6", kill_on_drop: false }`
[INFO] [stdout] 0326a6208513677b17a0d3bea9175454ceafc2fc04dd97cf4f5807b03d4e83a6