[INFO] fetching crate leapfrog 0.2.2...
[INFO] checking leapfrog-0.2.2 against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160
[INFO] extracting crate leapfrog 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate leapfrog 0.2.2 on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leapfrog 0.2.2
[INFO] finished tweaking crates.io crate leapfrog 0.2.2
[INFO] tweaked toml for crates.io crate leapfrog 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdfa9840412c2743d042726f7bc4677c7cf093fb2b7dc46f9a699eea6f5cabba
[INFO] running `Command { std: "docker" "start" "-a" "bdfa9840412c2743d042726f7bc4677c7cf093fb2b7dc46f9a699eea6f5cabba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdfa9840412c2743d042726f7bc4677c7cf093fb2b7dc46f9a699eea6f5cabba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdfa9840412c2743d042726f7bc4677c7cf093fb2b7dc46f9a699eea6f5cabba", kill_on_drop: false }`
[INFO] [stdout] bdfa9840412c2743d042726f7bc4677c7cf093fb2b7dc46f9a699eea6f5cabba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fded0818a8f7461ba89b90101c787b5c4dbe9634368e6335e0c77da0ca4d2af
[INFO] running `Command { std: "docker" "start" "-a" "0fded0818a8f7461ba89b90101c787b5c4dbe9634368e6335e0c77da0ca4d2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking regex v1.8.3
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking csv v1.2.2
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking leapfrog v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hashmap.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 471 |             let mut cell = Self::get_cell_mut(buckets, index, size_mask);
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/hashmap.rs:492:17
[INFO] [stdout]     |
[INFO] [stdout] 492 |             let mut cell = Self::get_cell_mut(buckets, index, size_mask);
[INFO] [stdout]     |                 ----^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/leapmap.rs:968:50
[INFO] [stdout]     |
[INFO] [stdout] 968 |         if probe_hash == hash && probe_key.eq(key.borrow()) {
[INFO] [stdout]     |                                                  ^^^^^^^^^ unnecessary method call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `K` does not implement `Borrow`, so calling `borrow` on `&K` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[deny(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]     --> src/leapmap.rs:1019:58
[INFO] [stdout]      |
[INFO] [stdout] 1019 |                 if probe_hash == hash && probe_key.eq(key.borrow()) {
[INFO] [stdout]      |                                                          ^^^^^^^^^ unnecessary method call
[INFO] [stdout]      |
[INFO] [stdout]      = note: the type `K` does not implement `Borrow`, so calling `borrow` on `&K` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leapfrog` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0fded0818a8f7461ba89b90101c787b5c4dbe9634368e6335e0c77da0ca4d2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fded0818a8f7461ba89b90101c787b5c4dbe9634368e6335e0c77da0ca4d2af", kill_on_drop: false }`
[INFO] [stdout] 0fded0818a8f7461ba89b90101c787b5c4dbe9634368e6335e0c77da0ca4d2af