[INFO] fetching crate standing-relations 0.1.2...
[INFO] building standing-relations-0.1.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate standing-relations 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate standing-relations 0.1.2
[INFO] finished tweaking crates.io crate standing-relations 0.1.2
[INFO] tweaked toml for crates.io crate standing-relations 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate standing-relations 0.1.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 45 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7957cdedc01279032cff407699c2dfe74923355b6e778b29c4d92b258cbd4b18
[INFO] running `Command { std: "docker" "start" "-a" "7957cdedc01279032cff407699c2dfe74923355b6e778b29c4d92b258cbd4b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7957cdedc01279032cff407699c2dfe74923355b6e778b29c4d92b258cbd4b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7957cdedc01279032cff407699c2dfe74923355b6e778b29c4d92b258cbd4b18", kill_on_drop: false }`
[INFO] [stdout] 7957cdedc01279032cff407699c2dfe74923355b6e778b29c4d92b258cbd4b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78d367cffae5cf8398144afc08a63ccb8f853dfa1605f5fb349605ea04a7ef0e
[INFO] running `Command { std: "docker" "start" "-a" "78d367cffae5cf8398144afc08a63ccb8f853dfa1605f5fb349605ea04a7ef0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling standing-relations v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CheckedForeach` is never used
[INFO] [stdout]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/op/save.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "78d367cffae5cf8398144afc08a63ccb8f853dfa1605f5fb349605ea04a7ef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d367cffae5cf8398144afc08a63ccb8f853dfa1605f5fb349605ea04a7ef0e", kill_on_drop: false }`
[INFO] [stdout] 78d367cffae5cf8398144afc08a63ccb8f853dfa1605f5fb349605ea04a7ef0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d0955cec11100954463d04cf553373148877da36b152dc8c72644bd927ed051
[INFO] running `Command { std: "docker" "start" "-a" "7d0955cec11100954463d04cf553373148877da36b152dc8c72644bd927ed051", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CheckedForeach` is never used
[INFO] [stdout]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/op/save.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling similar-asserts v1.7.0
[INFO] [stderr]    Compiling goldenfile v1.8.0
[INFO] [stderr]    Compiling standing-relations v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core/context/tracking.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut info = &mut self.0[index.0];
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/op/save.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<RelationInner<C>> {
[INFO] [stdout]    |                          ^^^^^     ^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(super) fn borrow(&self) -> Ref<'_, RelationInner<C>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CheckedForeach` is never used
[INFO] [stdout]  --> src/feedback/op/checked_foreach.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait CheckedForeach: Iterator {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `standing-relations` (lib test); 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name standing_relations --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=451c73b485ce8425 -C extra-filename=-ff1174a4b914579d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern goldenfile=/opt/rustwide/target/debug/deps/libgoldenfile-678ad498dd8dc125.rlib --extern log=/opt/rustwide/target/debug/deps/liblog-45f74354a8b36c20.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "7d0955cec11100954463d04cf553373148877da36b152dc8c72644bd927ed051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0955cec11100954463d04cf553373148877da36b152dc8c72644bd927ed051", kill_on_drop: false }`
[INFO] [stdout] 7d0955cec11100954463d04cf553373148877da36b152dc8c72644bd927ed051
