[INFO] fetching crate multimap 0.8.3...
[INFO] testing multimap-0.8.3 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate multimap 0.8.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate multimap 0.8.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multimap 0.8.3
[INFO] finished tweaking crates.io crate multimap 0.8.3
[INFO] tweaked toml for crates.io crate multimap 0.8.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79f27b5b05d2c7ffb042ef77c2525a287d0c4b3f88e41e4b12a9de03bd4215f0
[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" "79f27b5b05d2c7ffb042ef77c2525a287d0c4b3f88e41e4b12a9de03bd4215f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79f27b5b05d2c7ffb042ef77c2525a287d0c4b3f88e41e4b12a9de03bd4215f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79f27b5b05d2c7ffb042ef77c2525a287d0c4b3f88e41e4b12a9de03bd4215f0", kill_on_drop: false }`
[INFO] [stdout] 79f27b5b05d2c7ffb042ef77c2525a287d0c4b3f88e41e4b12a9de03bd4215f0
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcfd05aae95663e65193b4d3f1420450bf2def3f715036a75a80d27957b0459
[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" "9bcfd05aae95663e65193b4d3f1420450bf2def3f715036a75a80d27957b0459", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling multimap v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "9bcfd05aae95663e65193b4d3f1420450bf2def3f715036a75a80d27957b0459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcfd05aae95663e65193b4d3f1420450bf2def3f715036a75a80d27957b0459", kill_on_drop: false }`
[INFO] [stdout] 9bcfd05aae95663e65193b4d3f1420450bf2def3f715036a75a80d27957b0459
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] e773c11a20dd98169d3ae8780de135dfb7b66875071029e392bb325195a324dc
[INFO] running `Command { std: "docker" "start" "-a" "e773c11a20dd98169d3ae8780de135dfb7b66875071029e392bb325195a324dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.127
[INFO] [stderr]    Compiling multimap v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/lib.rs:962:9
[INFO] [stdout]     |
[INFO] [stdout] 962 |         &m[&1];
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "e773c11a20dd98169d3ae8780de135dfb7b66875071029e392bb325195a324dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e773c11a20dd98169d3ae8780de135dfb7b66875071029e392bb325195a324dc", kill_on_drop: false }`
[INFO] [stdout] e773c11a20dd98169d3ae8780de135dfb7b66875071029e392bb325195a324dc
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9f09142ec0e551b86fb347eaa79fdbaf180a7beeabbca28869f7f3147dcfffb
[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" "b9f09142ec0e551b86fb347eaa79fdbaf180a7beeabbca28869f7f3147dcfffb", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/lib.rs:962:9
[INFO] [stderr]     |
[INFO] [stderr] 962 |         &m[&1];
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multimap` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/multimap-e11eaaed573c0087)
[INFO] [stdout] 
[INFO] [stdout] running 48 tests
[INFO] [stdout] test serde::tests::test_empty ... ok
[INFO] [stdout] test tests::capacity ... ok
[INFO] [stdout] test serde::tests::test_single ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::get_present ... ok
[INFO] [stdout] test tests::get_not_present ... ok
[INFO] [stdout] test tests::contains_key_false ... ok
[INFO] [stdout] test tests::get_vec_mut ... ok
[INFO] [stdout] test serde::tests::test_multiple ... ok
[INFO] [stdout] test tests::insert_many_from_slice ... ok
[INFO] [stdout] test tests::insert_many_from_slice_again ... ok
[INFO] [stdout] test tests::intoiterator_for_mutable_reference_type ... ok
[INFO] [stdout] test tests::intoiterator_consuming ... ok
[INFO] [stdout] test tests::intoiterator_for_reference_type ... ok
[INFO] [stdout] test tests::is_empty_false ... ok
[INFO] [stdout] test tests::is_empty_true ... ok
[INFO] [stdout] test tests::iter ... ok
[INFO] [stdout] test tests::keys ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::remove_not_present ... ok
[INFO] [stdout] test tests::remove_present ... ok
[INFO] [stdout] test tests::retain_removes_element ... ok
[INFO] [stdout] test tests::get_mut ... ok
[INFO] [stdout] test tests::test_default ... ok
[INFO] [stdout] test tests::insert_many_again ... ok
[INFO] [stdout] test tests::test_entry ... ok
[INFO] [stdout] test tests::index ... ok
[INFO] [stdout] test tests::test_extend_ref_hashmap ... ok
[INFO] [stdout] test tests::test_entry_vec ... ok
[INFO] [stdout] test tests::test_fmt_debug ... ok
[INFO] [stdout] test tests::test_is_vec ... ok
[INFO] [stdout] test tests::test_macro ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::test_extend_ref_multimap ... ok
[INFO] [stdout] test tests::contains_key_true ... ok
[INFO] [stdout] test tests::test_from_iterator ... ok
[INFO] [stdout] test tests::test_extend_consuming_multimap ... ok
[INFO] [stdout] test tests::get_vec_not_present ... ok
[INFO] [stdout] test tests::create ... ok
[INFO] [stdout] test tests::test_extend_consuming_hashmap ... ok
[INFO] [stdout] test tests::get_vec_present ... ok
[INFO] [stdout] test tests::insert_many ... ok
[INFO] [stdout] test tests::insert_existing ... ok
[INFO] [stdout] test tests::retain_also_removes_empty_vector ... ok
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::test_eq ... ok
[INFO] [stdout] test tests::index_no_entry - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 48 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multimap
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test src/lib.rs - MultiMap<K, V, S>::capacity (line 427) ... ok
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name multimap --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern multimap=/opt/rustwide/target/debug/deps/libmultimap-d414ba2137df8c7e.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-7fdb8f204cf34bbe.rlib --extern serde_test=/opt/rustwide/target/debug/deps/libserde_test-cad12d15f6e84592.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="serde"' --cfg 'feature="serde_impl"' --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b9f09142ec0e551b86fb347eaa79fdbaf180a7beeabbca28869f7f3147dcfffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f09142ec0e551b86fb347eaa79fdbaf180a7beeabbca28869f7f3147dcfffb", kill_on_drop: false }`
[INFO] [stdout] b9f09142ec0e551b86fb347eaa79fdbaf180a7beeabbca28869f7f3147dcfffb
