[INFO] fetching crate single_byte_hashmap 0.1.2...
[INFO] testing single_byte_hashmap-0.1.2 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate single_byte_hashmap 0.1.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate single_byte_hashmap 0.1.2 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc70380c9e252a189367f3bf17a09b858358c3376e0bf05e3c3998ad7cea46de
[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" "dc70380c9e252a189367f3bf17a09b858358c3376e0bf05e3c3998ad7cea46de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc70380c9e252a189367f3bf17a09b858358c3376e0bf05e3c3998ad7cea46de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc70380c9e252a189367f3bf17a09b858358c3376e0bf05e3c3998ad7cea46de", kill_on_drop: false }`
[INFO] [stdout] dc70380c9e252a189367f3bf17a09b858358c3376e0bf05e3c3998ad7cea46de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5da58417b9a5aba1990e18f516b043fde4de19f33616a0ffff15ac3edc708884
[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" "5da58417b9a5aba1990e18f516b043fde4de19f33616a0ffff15ac3edc708884", 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 1.02s
[INFO] running `Command { std: "docker" "inspect" "5da58417b9a5aba1990e18f516b043fde4de19f33616a0ffff15ac3edc708884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da58417b9a5aba1990e18f516b043fde4de19f33616a0ffff15ac3edc708884", kill_on_drop: false }`
[INFO] [stdout] 5da58417b9a5aba1990e18f516b043fde4de19f33616a0ffff15ac3edc708884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 130ea605cff6883075a4ac9af8f8edfa8c8acfb9afec1ee10e7d21c9b160c166
[INFO] running `Command { std: "docker" "start" "-a" "130ea605cff6883075a4ac9af8f8edfa8c8acfb9afec1ee10e7d21c9b160c166", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "130ea605cff6883075a4ac9af8f8edfa8c8acfb9afec1ee10e7d21c9b160c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "130ea605cff6883075a4ac9af8f8edfa8c8acfb9afec1ee10e7d21c9b160c166", kill_on_drop: false }`
[INFO] [stdout] 130ea605cff6883075a4ac9af8f8edfa8c8acfb9afec1ee10e7d21c9b160c166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7722230510b6fccd0ba0a9c2b26810337076636bc38032ec0e04f44bf4cffdae
[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" "7722230510b6fccd0ba0a9c2b26810337076636bc38032ec0e04f44bf4cffdae", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_byte_hashmap-47c0e46aed01bb80)
[INFO] [stderr]    Doc-tests single_byte_hashmap
[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 0.26s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "7722230510b6fccd0ba0a9c2b26810337076636bc38032ec0e04f44bf4cffdae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7722230510b6fccd0ba0a9c2b26810337076636bc38032ec0e04f44bf4cffdae", kill_on_drop: false }`
[INFO] [stdout] 7722230510b6fccd0ba0a9c2b26810337076636bc38032ec0e04f44bf4cffdae