[INFO] cloning repository https://github.com/mark-summerfield/differ [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark-summerfield/differ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-summerfield%2Fdiffer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-summerfield%2Fdiffer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3bee8978e1f0230c4a58f97998a1f4ee2a3bb928 [INFO] testing mark-summerfield/differ against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-summerfield%2Fdiffer" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mark-summerfield/differ on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mark-summerfield/differ [INFO] finished tweaking git repo https://github.com/mark-summerfield/differ [INFO] tweaked toml for git repo https://github.com/mark-summerfield/differ written to /workspace/builds/worker-37/source/Cargo.toml [INFO] crate git repo https://github.com/mark-summerfield/differ already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/profiles.html#strip-option for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04c45b8acd9d8949b5319e7f4387eac7b4ad5a85c51c4626d2c2f15d50f07c8b [INFO] running `Command { std: "docker" "start" "-a" "04c45b8acd9d8949b5319e7f4387eac7b4ad5a85c51c4626d2c2f15d50f07c8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04c45b8acd9d8949b5319e7f4387eac7b4ad5a85c51c4626d2c2f15d50f07c8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04c45b8acd9d8949b5319e7f4387eac7b4ad5a85c51c4626d2c2f15d50f07c8b", kill_on_drop: false }` [INFO] [stdout] 04c45b8acd9d8949b5319e7f4387eac7b4ad5a85c51c4626d2c2f15d50f07c8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd65f6cbe31aff534bc7e873e006a4deb4607e4c776891b0fd80260d7b90c3f4 [INFO] running `Command { std: "docker" "start" "-a" "bd65f6cbe31aff534bc7e873e006a4deb4607e4c776891b0fd80260d7b90c3f4", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/profiles.html#strip-option for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling differ v1.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.50s [INFO] running `Command { std: "docker" "inspect" "bd65f6cbe31aff534bc7e873e006a4deb4607e4c776891b0fd80260d7b90c3f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd65f6cbe31aff534bc7e873e006a4deb4607e4c776891b0fd80260d7b90c3f4", kill_on_drop: false }` [INFO] [stdout] bd65f6cbe31aff534bc7e873e006a4deb4607e4c776891b0fd80260d7b90c3f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cbdcf38b43b59031c097884cfa7e79804f04245d073733233e49c39eecaeb344 [INFO] running `Command { std: "docker" "start" "-a" "cbdcf38b43b59031c097884cfa7e79804f04245d073733233e49c39eecaeb344", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/profiles.html#strip-option for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling differ v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> examples/simple.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | x: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> examples/simple.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> examples/simple.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> examples/simple.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/tests.rs:188:9 [INFO] [stdout] | [INFO] [stdout] 188 | x: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/tests.rs:186:14 [INFO] [stdout] | [INFO] [stdout] 186 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/tests.rs:189:9 [INFO] [stdout] | [INFO] [stdout] 189 | y: i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/tests.rs:186:14 [INFO] [stdout] | [INFO] [stdout] 186 | #[derive(Debug, Clone)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 11.22s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/differ-8e2aa6ad2c8cadee) [INFO] running `Command { std: "docker" "inspect" "cbdcf38b43b59031c097884cfa7e79804f04245d073733233e49c39eecaeb344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbdcf38b43b59031c097884cfa7e79804f04245d073733233e49c39eecaeb344", kill_on_drop: false }` [INFO] [stdout] cbdcf38b43b59031c097884cfa7e79804f04245d073733233e49c39eecaeb344 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 52a53957d6999f10dc1c30414f644694107bf5101b2e91b33507b622b6597588 [INFO] running `Command { std: "docker" "start" "-a" "52a53957d6999f10dc1c30414f644694107bf5101b2e91b33507b622b6597588", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `strip` has been stabilized in the 1.58 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/beta/cargo/reference/profiles.html#strip-option for more information about using this feature. [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/tests.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | x: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/tests.rs:186:14 [INFO] [stderr] | [INFO] [stderr] 186 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/tests.rs:189:9 [INFO] [stderr] | [INFO] [stderr] 189 | y: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/tests.rs:186:14 [INFO] [stderr] | [INFO] [stderr] 186 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `differ` (lib test) generated 2 warnings [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> examples/simple.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | x: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> examples/simple.rs:35:10 [INFO] [stderr] | [INFO] [stderr] 35 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> examples/simple.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | y: i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Item` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> examples/simple.rs:35:10 [INFO] [stderr] | [INFO] [stderr] 35 | #[derive(Debug, Clone)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `differ` (example "simple") generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/differ-8e2aa6ad2c8cadee) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test tests::tests::t04 ... ok [INFO] [stdout] test tests::tests::t05 ... ok [INFO] [stdout] test tests::tests::t01 ... ok [INFO] [stdout] test tests::tests::t02 ... ok [INFO] [stdout] test tests::tests::t03 ... ok [INFO] [stdout] test tests::tests::t07 ... ok [INFO] [stdout] test tests::tests::t06 ... ok [INFO] [stdout] test tests::tests::t09 ... ok [INFO] [stdout] test tests::tests::t08 ... ok [INFO] [stdout] test tests::tests::t10 ... ok [INFO] [stdout] test tests::tests::t11 ... ok [INFO] [stdout] test tests::tests::t12 ... ok [INFO] [stdout] test tests::tests::t13 ... ok [INFO] [stdout] test tests::tests::t14 ... ok [INFO] [stdout] test tests::tests::t15 ... ok [INFO] [stdout] test tests::tests::t16 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests differ [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 84) ... ok [INFO] [stdout] test src/lib.rs - (line 51) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "52a53957d6999f10dc1c30414f644694107bf5101b2e91b33507b622b6597588", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "52a53957d6999f10dc1c30414f644694107bf5101b2e91b33507b622b6597588", kill_on_drop: false }` [INFO] [stdout] 52a53957d6999f10dc1c30414f644694107bf5101b2e91b33507b622b6597588