[INFO] crate amadeus-core 0.1.6 is already in cache
[INFO] testing amadeus-core-0.1.6 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate amadeus-core 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate amadeus-core 0.1.6 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97487050604aa79b7e49fd58df35b7a42abde8b1b8e0c67181ffadca88e61c2a
[INFO] running `"docker" "start" "-a" "97487050604aa79b7e49fd58df35b7a42abde8b1b8e0c67181ffadca88e61c2a"`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[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]    Compiling owned_chars v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_closure v0.2.10
[INFO] [stderr]    Compiling sum v0.1.3
[INFO] [stderr]    Compiling streaming_algorithms v0.1.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `"docker" "inspect" "97487050604aa79b7e49fd58df35b7a42abde8b1b8e0c67181ffadca88e61c2a"`
[INFO] running `"docker" "rm" "-f" "97487050604aa79b7e49fd58df35b7a42abde8b1b8e0c67181ffadca88e61c2a"`
[INFO] [stdout] 97487050604aa79b7e49fd58df35b7a42abde8b1b8e0c67181ffadca88e61c2a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e086b87405bf577e4e54c1e20af4eb8337f4d29a8c07fa03cf6004853e66d23f
[INFO] running `"docker" "start" "-a" "e086b87405bf577e4e54c1e20af4eb8337f4d29a8c07fa03cf6004853e66d23f"`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[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]     Finished test [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `"docker" "inspect" "e086b87405bf577e4e54c1e20af4eb8337f4d29a8c07fa03cf6004853e66d23f"`
[INFO] running `"docker" "rm" "-f" "e086b87405bf577e4e54c1e20af4eb8337f4d29a8c07fa03cf6004853e66d23f"`
[INFO] [stdout] e086b87405bf577e4e54c1e20af4eb8337f4d29a8c07fa03cf6004853e66d23f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70c778d12be78c4828e830f889f0ee0c1b8896c85dc8af8d834757604edeb8cb
[INFO] running `"docker" "start" "-a" "70c778d12be78c4828e830f889f0ee0c1b8896c85dc8af8d834757604edeb8cb"`
[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: 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]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/amadeus_core-202844b84a8417fb
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests amadeus-core
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "70c778d12be78c4828e830f889f0ee0c1b8896c85dc8af8d834757604edeb8cb"`
[INFO] running `"docker" "rm" "-f" "70c778d12be78c4828e830f889f0ee0c1b8896c85dc8af8d834757604edeb8cb"`
[INFO] [stdout] 70c778d12be78c4828e830f889f0ee0c1b8896c85dc8af8d834757604edeb8cb