[INFO] fetching crate rs-collections 0.1.9...
[INFO] testing rs-collections-0.1.9 against 1.77.0 for beta-1.78-1
[INFO] extracting crate rs-collections 0.1.9 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate rs-collections 0.1.9 on toolchain 1.77.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs-collections 0.1.9
[INFO] finished tweaking crates.io crate rs-collections 0.1.9
[INFO] tweaked toml for crates.io crate rs-collections 0.1.9 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.77.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rs-ctypes v0.1.1
[INFO] [stderr]   Downloaded rs-mem v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18d6386a0306a76115de75d2c53ccb51f8c8c20b689451e01ec7ef7ab858bc76
[INFO] running `Command { std: "docker" "start" "-a" "18d6386a0306a76115de75d2c53ccb51f8c8c20b689451e01ec7ef7ab858bc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18d6386a0306a76115de75d2c53ccb51f8c8c20b689451e01ec7ef7ab858bc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d6386a0306a76115de75d2c53ccb51f8c8c20b689451e01ec7ef7ab858bc76", kill_on_drop: false }`
[INFO] [stdout] 18d6386a0306a76115de75d2c53ccb51f8c8c20b689451e01ec7ef7ab858bc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c41983023db9b04b2dacfb735ca0dab9afdd049e3e3982d88bd3af28e180145
[INFO] running `Command { std: "docker" "start" "-a" "9c41983023db9b04b2dacfb735ca0dab9afdd049e3e3982d88bd3af28e180145", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-ctypes v0.1.1
[INFO] [stderr]    Compiling rs-mem v0.2.6
[INFO] [stderr]    Compiling rs-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmap.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut e = &mut entries[index as usize];
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "9c41983023db9b04b2dacfb735ca0dab9afdd049e3e3982d88bd3af28e180145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c41983023db9b04b2dacfb735ca0dab9afdd049e3e3982d88bd3af28e180145", kill_on_drop: false }`
[INFO] [stdout] 9c41983023db9b04b2dacfb735ca0dab9afdd049e3e3982d88bd3af28e180145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb704b1a71f766612815654805411fd311a6faf44e3704777d536ec4db83bed6
[INFO] running `Command { std: "docker" "start" "-a" "eb704b1a71f766612815654805411fd311a6faf44e3704777d536ec4db83bed6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-collections v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmap.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut e = &mut entries[index as usize];
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/hashmap.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |             let mut e = &mut entries[index as usize];
[INFO] [stdout]    |                 ----^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "eb704b1a71f766612815654805411fd311a6faf44e3704777d536ec4db83bed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb704b1a71f766612815654805411fd311a6faf44e3704777d536ec4db83bed6", kill_on_drop: false }`
[INFO] [stdout] eb704b1a71f766612815654805411fd311a6faf44e3704777d536ec4db83bed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.77.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c47f1decbace36dc9bf34acf6e40809668c381b249fcadea1e2c8cec3c40bd75
[INFO] running `Command { std: "docker" "start" "-a" "c47f1decbace36dc9bf34acf6e40809668c381b249fcadea1e2c8cec3c40bd75", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/hashmap.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |             let mut e = &mut entries[index as usize];
[INFO] [stderr]    |                 ----^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-collections` (lib) generated 1 warning (run `cargo fix --lib -p rs-collections` to apply 1 suggestion)
[INFO] [stderr] warning: `rs-collections` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_collections-fb7bda42f3233ce4)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test hashmap::test::test_remove ... ok
[INFO] [stdout] test string::tests::test_conversion ... ok
[INFO] [stdout] test hashmap::test::test_vec_insert ... ok
[INFO] [stdout] test hashmap::test::test_insert ... ok
[INFO] [stdout] test string::tests::test_split ... ok
[INFO] [stdout] test string::tests::test_lines ... ok
[INFO] [stdout] test vec::tests::test_iter ... ok
[INFO] [stdout] test vec::tests::test_destructor ... ok
[INFO] [stdout] test vec::tests::test_pop_destructor ... ok
[INFO] [stdout] test vec::tests::test_pop_destructor_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rs-collections
[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] running `Command { std: "docker" "inspect" "c47f1decbace36dc9bf34acf6e40809668c381b249fcadea1e2c8cec3c40bd75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47f1decbace36dc9bf34acf6e40809668c381b249fcadea1e2c8cec3c40bd75", kill_on_drop: false }`
[INFO] [stdout] c47f1decbace36dc9bf34acf6e40809668c381b249fcadea1e2c8cec3c40bd75