[INFO] fetching crate combination 0.1.5...
[INFO] testing combination-0.1.5 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate combination 0.1.5 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate combination 0.1.5 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf8b6e17e4f2d1b06d0e0954f45c55fc63b63e2efc8777e745d8cae0d32c718
[INFO] running `Command { std: "docker" "start" "-a" "2bf8b6e17e4f2d1b06d0e0954f45c55fc63b63e2efc8777e745d8cae0d32c718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf8b6e17e4f2d1b06d0e0954f45c55fc63b63e2efc8777e745d8cae0d32c718", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf8b6e17e4f2d1b06d0e0954f45c55fc63b63e2efc8777e745d8cae0d32c718", kill_on_drop: false }`
[INFO] [stdout] 2bf8b6e17e4f2d1b06d0e0954f45c55fc63b63e2efc8777e745d8cae0d32c718
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68b8b21da8b6f9fe767f86c66a9fc4ef8194e462041ea8ab01d592fea8aa519d
[INFO] running `Command { std: "docker" "start" "-a" "68b8b21da8b6f9fe767f86c66a9fc4ef8194e462041ea8ab01d592fea8aa519d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling combination v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "68b8b21da8b6f9fe767f86c66a9fc4ef8194e462041ea8ab01d592fea8aa519d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68b8b21da8b6f9fe767f86c66a9fc4ef8194e462041ea8ab01d592fea8aa519d", kill_on_drop: false }`
[INFO] [stdout] 68b8b21da8b6f9fe767f86c66a9fc4ef8194e462041ea8ab01d592fea8aa519d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d85fd641b17de095825fb060a6e081968d70fc4e9e90b178c95c61bddd2eec98
[INFO] running `Command { std: "docker" "start" "-a" "d85fd641b17de095825fb060a6e081968d70fc4e9e90b178c95c61bddd2eec98", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d85fd641b17de095825fb060a6e081968d70fc4e9e90b178c95c61bddd2eec98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d85fd641b17de095825fb060a6e081968d70fc4e9e90b178c95c61bddd2eec98", kill_on_drop: false }`
[INFO] [stdout] d85fd641b17de095825fb060a6e081968d70fc4e9e90b178c95c61bddd2eec98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 006bbee186f41acb6fd3dfcbabd67db2c238a5868ee2c7c8aac871c614784a50
[INFO] running `Command { std: "docker" "start" "-a" "006bbee186f41acb6fd3dfcbabd67db2c238a5868ee2c7c8aac871c614784a50", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combination-d7e12944d1bb9013)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_combine ... ok
[INFO] [stdout] test test::test_permutation ... 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] [stderr]    Doc-tests combination
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/combine.rs - combine::from_vec (line 77) ... FAILED
[INFO] [stdout] test src/combine.rs - combine::from_vec_at (line 47) ... FAILED
[INFO] [stdout] test src/permutate.rs - permutate::from_vec (line 34) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 4) ... 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/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] ---- 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] 
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "006bbee186f41acb6fd3dfcbabd67db2c238a5868ee2c7c8aac871c614784a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006bbee186f41acb6fd3dfcbabd67db2c238a5868ee2c7c8aac871c614784a50", kill_on_drop: false }`
[INFO] [stdout] 006bbee186f41acb6fd3dfcbabd67db2c238a5868ee2c7c8aac871c614784a50