[INFO] fetching crate combination 0.1.5...
[INFO] testing combination-0.1.5 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate combination 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate combination 0.1.5 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bbd26b85e010e90c50626e22392e286fff5f09935b5f2d3bed1f82951920882
[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" "5bbd26b85e010e90c50626e22392e286fff5f09935b5f2d3bed1f82951920882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bbd26b85e010e90c50626e22392e286fff5f09935b5f2d3bed1f82951920882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bbd26b85e010e90c50626e22392e286fff5f09935b5f2d3bed1f82951920882", kill_on_drop: false }`
[INFO] [stdout] 5bbd26b85e010e90c50626e22392e286fff5f09935b5f2d3bed1f82951920882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a80fc066be44287156daff89840ce4ca4d88fbe3479781d43d34b71d7f15cf33
[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" "a80fc066be44287156daff89840ce4ca4d88fbe3479781d43d34b71d7f15cf33", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "a80fc066be44287156daff89840ce4ca4d88fbe3479781d43d34b71d7f15cf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80fc066be44287156daff89840ce4ca4d88fbe3479781d43d34b71d7f15cf33", kill_on_drop: false }`
[INFO] [stdout] a80fc066be44287156daff89840ce4ca4d88fbe3479781d43d34b71d7f15cf33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ade788d8fddcd9650ba3872fae5f8cbc83f914153bb35b44236f353afa67da6
[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" "3ade788d8fddcd9650ba3872fae5f8cbc83f914153bb35b44236f353afa67da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling combination v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "3ade788d8fddcd9650ba3872fae5f8cbc83f914153bb35b44236f353afa67da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ade788d8fddcd9650ba3872fae5f8cbc83f914153bb35b44236f353afa67da6", kill_on_drop: false }`
[INFO] [stdout] 3ade788d8fddcd9650ba3872fae5f8cbc83f914153bb35b44236f353afa67da6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd67afae8dbb70431ac1c2699eba223b6bceceaa716e2e3fde1dc05ee32f111b
[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" "dd67afae8dbb70431ac1c2699eba223b6bceceaa716e2e3fde1dc05ee32f111b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combination-d6922951da5f4a6b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[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 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests combination
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] test src/permutate.rs - permutate::from_vec (line 34) ... FAILED
[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] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[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/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/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] 
[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 0.41s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "dd67afae8dbb70431ac1c2699eba223b6bceceaa716e2e3fde1dc05ee32f111b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd67afae8dbb70431ac1c2699eba223b6bceceaa716e2e3fde1dc05ee32f111b", kill_on_drop: false }`
[INFO] [stdout] dd67afae8dbb70431ac1c2699eba223b6bceceaa716e2e3fde1dc05ee32f111b