[INFO] fetching crate terror 3.1.0... [INFO] testing terror-3.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate terror 3.1.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate terror 3.1.0 [INFO] finished tweaking crates.io crate terror 3.1.0 [INFO] tweaked toml for crates.io crate terror 3.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate terror 3.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate terror 3.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded httpstatus v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8a8ae002f2b7f61eacd6a73dfd028b5e7485d410553b543e09def958adc6c571 [INFO] running `Command { std: "docker" "start" "-a" "8a8ae002f2b7f61eacd6a73dfd028b5e7485d410553b543e09def958adc6c571", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a8ae002f2b7f61eacd6a73dfd028b5e7485d410553b543e09def958adc6c571", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a8ae002f2b7f61eacd6a73dfd028b5e7485d410553b543e09def958adc6c571", kill_on_drop: false }` [INFO] [stdout] 8a8ae002f2b7f61eacd6a73dfd028b5e7485d410553b543e09def958adc6c571 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2305bcf1cb17410dfc9d743c4c91954a236d31e9ea66622737731d73d55f25da [INFO] running `Command { std: "docker" "start" "-a" "2305bcf1cb17410dfc9d743c4c91954a236d31e9ea66622737731d73d55f25da", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling serde_json v1.0.143 [INFO] [stderr] Compiling terror v3.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.12s [INFO] running `Command { std: "docker" "inspect" "2305bcf1cb17410dfc9d743c4c91954a236d31e9ea66622737731d73d55f25da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2305bcf1cb17410dfc9d743c4c91954a236d31e9ea66622737731d73d55f25da", kill_on_drop: false }` [INFO] [stdout] 2305bcf1cb17410dfc9d743c4c91954a236d31e9ea66622737731d73d55f25da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 121250e0fa1b7673ca0a3333fae354c9637693db363163a0298fa690b1f9d02f [INFO] running `Command { std: "docker" "start" "-a" "121250e0fa1b7673ca0a3333fae354c9637693db363163a0298fa690b1f9d02f", kill_on_drop: false }` [INFO] [stderr] Compiling terror v3.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:611:33 [INFO] [stdout] | [INFO] [stdout] 611 | fn compare(expected: Value, mut actual: Value) -> R { [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:629:64 [INFO] [stdout] | [INFO] [stdout] 629 | fn compare_respecting_manually_set_fields(expected: Value, mut actual: Value) -> R { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "121250e0fa1b7673ca0a3333fae354c9637693db363163a0298fa690b1f9d02f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121250e0fa1b7673ca0a3333fae354c9637693db363163a0298fa690b1f9d02f", kill_on_drop: false }` [INFO] [stdout] 121250e0fa1b7673ca0a3333fae354c9637693db363163a0298fa690b1f9d02f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8cea1a2e88e8f1da2de8ee034c959a83997d4272cfd6c618910ad5875eb33bd2 [INFO] running `Command { std: "docker" "start" "-a" "8cea1a2e88e8f1da2de8ee034c959a83997d4272cfd6c618910ad5875eb33bd2", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:611:33 [INFO] [stderr] | [INFO] [stderr] 611 | fn compare(expected: Value, mut actual: Value) -> R { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:629:64 [INFO] [stderr] | [INFO] [stderr] 629 | fn compare_respecting_manually_set_fields(expected: Value, mut actual: Value) -> R { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `terror` (lib test) generated 2 warnings (run `cargo fix --lib -p terror --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/terror-17f642b9067baf01) [INFO] [stdout] [INFO] [stdout] running 13 tests [INFO] [stdout] test no_feature_test::build_from_error ... ok [INFO] [stdout] test no_feature_test::build_w_bool_detail ... ok [INFO] [stdout] test no_feature_test::build_w_list_struct_detail ... ok [INFO] [stdout] test no_feature_test::build_w_number_detail ... ok [INFO] [stdout] test no_feature_test::build_w_error_code ... ok [INFO] [stdout] test no_feature_test::build_w_several_details ... ok [INFO] [stdout] test no_feature_test::build_w_string_detail ... ok [INFO] [stdout] test no_feature_test::build_w_struct_detail ... ok [INFO] [stdout] test no_feature_test::build_w_value_detail ... ok [INFO] [stdout] test no_feature_test::build_with_explicit_status ... ok [INFO] [stdout] test no_feature_test::deserialize_all_fields ... ok [INFO] [stdout] test no_feature_test::deserialize_some_fields ... ok [INFO] [stdout] test no_feature_test::build_w_shorthand ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests terror [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - Terror::new (line 112) ... ok [INFO] [stdout] test src/lib.rs - Terror::new (line 119) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8cea1a2e88e8f1da2de8ee034c959a83997d4272cfd6c618910ad5875eb33bd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cea1a2e88e8f1da2de8ee034c959a83997d4272cfd6c618910ad5875eb33bd2", kill_on_drop: false }` [INFO] [stdout] 8cea1a2e88e8f1da2de8ee034c959a83997d4272cfd6c618910ad5875eb33bd2