[INFO] fetching crate combination 0.1.5...
[INFO] testing combination-0.1.5 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate combination 0.1.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate combination 0.1.5 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 combination 0.1.5
[INFO] finished tweaking crates.io crate combination 0.1.5
[INFO] tweaked toml for crates.io crate combination 0.1.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "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] [stdout] b65bae36cc8ced47c4657bb9519c91b2577be4fdf32a88b5fa5c66e688475684
[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" "b65bae36cc8ced47c4657bb9519c91b2577be4fdf32a88b5fa5c66e688475684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65bae36cc8ced47c4657bb9519c91b2577be4fdf32a88b5fa5c66e688475684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65bae36cc8ced47c4657bb9519c91b2577be4fdf32a88b5fa5c66e688475684", kill_on_drop: false }`
[INFO] [stdout] b65bae36cc8ced47c4657bb9519c91b2577be4fdf32a88b5fa5c66e688475684
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 602361e963fa5c734b7b17865e70f31db4826ba6252b6b5b271b94c96ed38be5
[INFO] running `Command { std: "docker" "start" "-a" "602361e963fa5c734b7b17865e70f31db4826ba6252b6b5b271b94c96ed38be5", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "602361e963fa5c734b7b17865e70f31db4826ba6252b6b5b271b94c96ed38be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "602361e963fa5c734b7b17865e70f31db4826ba6252b6b5b271b94c96ed38be5", kill_on_drop: false }`
[INFO] [stdout] 602361e963fa5c734b7b17865e70f31db4826ba6252b6b5b271b94c96ed38be5
[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" "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] 52bb2df401ec47e9a54e48a6433f28409d0cb75ae26e06f788fda55896b7f927
[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" "52bb2df401ec47e9a54e48a6433f28409d0cb75ae26e06f788fda55896b7f927", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "52bb2df401ec47e9a54e48a6433f28409d0cb75ae26e06f788fda55896b7f927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52bb2df401ec47e9a54e48a6433f28409d0cb75ae26e06f788fda55896b7f927", kill_on_drop: false }`
[INFO] [stdout] 52bb2df401ec47e9a54e48a6433f28409d0cb75ae26e06f788fda55896b7f927
[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" "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] 655e05f3134b247c6c4e27aabf0bc60c5df91936b7bd7d4965cc253e94064a7a
[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" "655e05f3134b247c6c4e27aabf0bc60c5df91936b7bd7d4965cc253e94064a7a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combination-d6922951da5f4a6b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests combination
[INFO] [stdout] test test::test_permutation ... ok
[INFO] [stdout] test test::test_combine ... ok
[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 4 tests
[INFO] [stdout] test src/combine.rs - combine::from_vec (line 77) ... FAILED
[INFO] [stdout] test src/permutate.rs - permutate::from_vec (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] test src/combine.rs - combine::from_vec_at (line 47) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/combine.rs - combine::from_vec (line 77) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `combine_all` in this scope
[INFO] [stdout]  --> src/combine.rs:79:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | let val = combine_all(&vec![10, 20, 30]);
[INFO] [stdout]   |           ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/permutate.rs - permutate::from_vec (line 34) stdout ----
[INFO] [stdout] error[E0423]: expected function, found module `permutate`
[INFO] [stdout]  --> src/permutate.rs:36:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | let val = permutate(&vec![10, 20, 30, 40]);
[INFO] [stdout]   |           ^^^^^^^^^ not a function
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] error[E0423]: expected function, found module `permutate`
[INFO] [stdout]  --> src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let val = permutate(&vec![10, 20, 30, 40]);
[INFO] [stdout]   |               ^^^^^^^^^ not a function
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/combine.rs - combine::from_vec_at (line 47) stdout ----
[INFO] [stdout] error[E0423]: expected function, found module `combine`
[INFO] [stdout]  --> src/combine.rs:49:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | let val = combine(&vec![10, 20, 30, 40], 2);
[INFO] [stdout]   |           ^^^^^^^ not a function
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0423`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/combine.rs - combine::from_vec (line 77)
[INFO] [stdout]     src/combine.rs - combine::from_vec_at (line 47)
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout]     src/permutate.rs - permutate::from_vec (line 34)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "655e05f3134b247c6c4e27aabf0bc60c5df91936b7bd7d4965cc253e94064a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655e05f3134b247c6c4e27aabf0bc60c5df91936b7bd7d4965cc253e94064a7a", kill_on_drop: false }`
[INFO] [stdout] 655e05f3134b247c6c4e27aabf0bc60c5df91936b7bd7d4965cc253e94064a7a