[INFO] fetching crate single_byte_hashmap 0.1.2...
[INFO] testing single_byte_hashmap-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate single_byte_hashmap 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate single_byte_hashmap 0.1.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate single_byte_hashmap 0.1.2
[INFO] finished tweaking crates.io crate single_byte_hashmap 0.1.2
[INFO] tweaked toml for crates.io crate single_byte_hashmap 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] bd7419391864a623cec6a70bebe722537fe9d0f1a32c487aac4168cf8dc7a445
[INFO] running `Command { std: "docker" "start" "-a" "bd7419391864a623cec6a70bebe722537fe9d0f1a32c487aac4168cf8dc7a445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd7419391864a623cec6a70bebe722537fe9d0f1a32c487aac4168cf8dc7a445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd7419391864a623cec6a70bebe722537fe9d0f1a32c487aac4168cf8dc7a445", kill_on_drop: false }`
[INFO] [stdout] bd7419391864a623cec6a70bebe722537fe9d0f1a32c487aac4168cf8dc7a445
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] bfa942933a3740bfe0faac22450d5e815d6747f7e6f33bbd2fa63139badb293e
[INFO] running `Command { std: "docker" "start" "-a" "bfa942933a3740bfe0faac22450d5e815d6747f7e6f33bbd2fa63139badb293e", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling single_byte_hashmap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "bfa942933a3740bfe0faac22450d5e815d6747f7e6f33bbd2fa63139badb293e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfa942933a3740bfe0faac22450d5e815d6747f7e6f33bbd2fa63139badb293e", kill_on_drop: false }`
[INFO] [stdout] bfa942933a3740bfe0faac22450d5e815d6747f7e6f33bbd2fa63139badb293e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 767cbff213ae47e2646fff224d4f54d2ca70ca6651232dbfce75d170085f0a10
[INFO] running `Command { std: "docker" "start" "-a" "767cbff213ae47e2646fff224d4f54d2ca70ca6651232dbfce75d170085f0a10", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_byte_hashmap v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_byte_hashmap-0dfbb0f81fe9ebd4)
[INFO] running `Command { std: "docker" "inspect" "767cbff213ae47e2646fff224d4f54d2ca70ca6651232dbfce75d170085f0a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767cbff213ae47e2646fff224d4f54d2ca70ca6651232dbfce75d170085f0a10", kill_on_drop: false }`
[INFO] [stdout] 767cbff213ae47e2646fff224d4f54d2ca70ca6651232dbfce75d170085f0a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4dd61d1d22c3573b92db319bf81b3b92431ecad338a1e170b229f8936f2a5f2c
[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" "4dd61d1d22c3573b92db319bf81b3b92431ecad338a1e170b229f8936f2a5f2c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/single_byte_hashmap-0dfbb0f81fe9ebd4)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests single_byte_hashmap
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0596]: cannot borrow `player_score` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/lib.rs:16:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | let player_score: HashMap<u8, u16> = HashMap::with_capacity_and_hasher(256, BuildHasher::default());
[INFO] [stdout]   |     ------------ help: consider changing this to be mutable: `mut player_score`
[INFO] [stdout] 7 | player_score.insert(0, 2000);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `player_score` as mutable, as it is not declared as mutable
[INFO] [stdout]  --> src/lib.rs:17:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | let player_score: HashMap<u8, u16> = HashMap::with_capacity_and_hasher(256, BuildHasher::default());
[INFO] [stdout]   |     ------------ help: consider changing this to be mutable: `mut player_score`
[INFO] [stdout] 7 | player_score.insert(0, 2000);
[INFO] [stdout] 8 | player_score.insert(1, 3000);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0596`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4dd61d1d22c3573b92db319bf81b3b92431ecad338a1e170b229f8936f2a5f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd61d1d22c3573b92db319bf81b3b92431ecad338a1e170b229f8936f2a5f2c", kill_on_drop: false }`
[INFO] [stdout] 4dd61d1d22c3573b92db319bf81b3b92431ecad338a1e170b229f8936f2a5f2c