[INFO] crate amadeus-core 0.1.6 is already in cache
[INFO] checking amadeus-core-0.1.6 against master#ba72b15666b2491415aec703a02c2364fe5e2790 for pr-71140
[INFO] extracting crate amadeus-core 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate amadeus-core 0.1.6 on toolchain ba72b15666b2491415aec703a02c2364fe5e2790
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate amadeus-core 0.1.6
[INFO] finished tweaking crates.io crate amadeus-core 0.1.6
[INFO] tweaked toml for crates.io crate amadeus-core 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 79e4768f7cd6a2bae955ebcb0396df7047c230b474d025a523339de88d398884
[INFO] running `"docker" "start" "-a" "79e4768f7cd6a2bae955ebcb0396df7047c230b474d025a523339de88d398884"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking replace_with v0.1.5
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling delegate v0.4.2
[INFO] [stderr]    Compiling serde_closure_derive v0.2.10
[INFO] [stderr]     Checking owned_chars v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking serde_closure v0.2.10
[INFO] [stderr]     Checking streaming_algorithms v0.1.1
[INFO] [stderr]     Checking sum v0.1.3
[INFO] [stderr]     Checking amadeus-core v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dist_iter.rs:168:24
[INFO] [stderr]     |
[INFO] [stderr] 168 |                   pool.spawn(FnOnce!(move || -> <R1 as ReducerA>::Output {
[INFO] [stderr]     |                                      ^----
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |  ____________________________________help: remove this `mut`
[INFO] [stderr]     | |
[INFO] [stderr] 169 | |                     for task in tasks {
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/dist_iter.rs:168:24
[INFO] [stderr]     |
[INFO] [stderr] 168 |                   pool.spawn(FnOnce!(move || -> <R1 as ReducerA>::Output {
[INFO] [stderr]     |                                      ^----
[INFO] [stderr]     |                                      |
[INFO] [stderr]     |  ____________________________________help: remove this `mut`
[INFO] [stderr]     | |
[INFO] [stderr] 169 | |                     for task in tasks {
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "79e4768f7cd6a2bae955ebcb0396df7047c230b474d025a523339de88d398884"`
[INFO] running `"docker" "rm" "-f" "79e4768f7cd6a2bae955ebcb0396df7047c230b474d025a523339de88d398884"`
[INFO] [stdout] 79e4768f7cd6a2bae955ebcb0396df7047c230b474d025a523339de88d398884