[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] 5a80d1e1fc42f4e0c9a0f5e8beb36f6c70646af2
[INFO] testing mark-summerfield/differ against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-summerfield%2Fdiffer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mark-summerfield/differ on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mark-summerfield/differ 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.70
[INFO] [stderr]   Downloaded serde_derive v1.0.193
[INFO] [stderr]   Downloaded serde v1.0.193
[INFO] [stderr]   Downloaded syn v2.0.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a21578f8892f2103b2dfee60ec0111e72fb1c2f418a0ee2a8da583b4de3c404
[INFO] running `Command { std: "docker" "start" "-a" "9a21578f8892f2103b2dfee60ec0111e72fb1c2f418a0ee2a8da583b4de3c404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a21578f8892f2103b2dfee60ec0111e72fb1c2f418a0ee2a8da583b4de3c404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a21578f8892f2103b2dfee60ec0111e72fb1c2f418a0ee2a8da583b4de3c404", kill_on_drop: false }`
[INFO] [stdout] 9a21578f8892f2103b2dfee60ec0111e72fb1c2f418a0ee2a8da583b4de3c404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f31916c72340f085a459d87d27d301db61ff8135e2a50272ca06f0680323c0
[INFO] running `Command { std: "docker" "start" "-a" "04f31916c72340f085a459d87d27d301db61ff8135e2a50272ca06f0680323c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling differ v1.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "04f31916c72340f085a459d87d27d301db61ff8135e2a50272ca06f0680323c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f31916c72340f085a459d87d27d301db61ff8135e2a50272ca06f0680323c0", kill_on_drop: false }`
[INFO] [stdout] 04f31916c72340f085a459d87d27d301db61ff8135e2a50272ca06f0680323c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c0b75e9e2af6663da9fe52dae880ade44196e09e6f52d9c67651a1997b903a5
[INFO] running `Command { std: "docker" "start" "-a" "6c0b75e9e2af6663da9fe52dae880ade44196e09e6f52d9c67651a1997b903a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling differ v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> examples/simple.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Item<'a> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 37 |     // Can have any data
[INFO] [stdout] 38 |     x: i32,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]    --> src/tests.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 187 |     struct Item<'a> {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] 188 |         x: i32,
[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]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "6c0b75e9e2af6663da9fe52dae880ade44196e09e6f52d9c67651a1997b903a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c0b75e9e2af6663da9fe52dae880ade44196e09e6f52d9c67651a1997b903a5", kill_on_drop: false }`
[INFO] [stdout] 6c0b75e9e2af6663da9fe52dae880ade44196e09e6f52d9c67651a1997b903a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e03fcf7ecb969f8e26f25ef9b902940163e035207d3f840c3f145088a1c7c940
[INFO] running `Command { std: "docker" "start" "-a" "e03fcf7ecb969f8e26f25ef9b902940163e035207d3f840c3f145088a1c7c940", kill_on_drop: false }`
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]   --> examples/simple.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 36 | struct Item<'a> {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] 37 |     // Can have any data
[INFO] [stderr] 38 |     x: i32,
[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]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `differ` (example "simple") generated 1 warning
[INFO] [stderr] warning: fields `x` and `y` are never read
[INFO] [stderr]    --> src/tests.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 187 |     struct Item<'a> {
[INFO] [stderr]     |            ---- fields in this struct
[INFO] [stderr] 188 |         x: i32,
[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]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `differ` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/differ-859fd5f947c1875b)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::tests::t02 ... ok
[INFO] [stdout] test tests::tests::t01 ... ok
[INFO] [stdout] test tests::tests::t06 ... ok
[INFO] [stdout] test tests::tests::t05 ... ok
[INFO] [stdout] test tests::tests::t07 ... ok
[INFO] [stdout] test tests::tests::t04 ... ok
[INFO] [stdout] test tests::tests::t03 ... ok
[INFO] [stdout] test tests::tests::t08 ... ok
[INFO] [stdout] test tests::tests::t09 ... ok
[INFO] [stdout] test tests::tests::t11 ... ok
[INFO] [stdout] test tests::tests::t10 ... 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::t16 ... ok
[INFO] [stdout] test tests::tests::t15 ... 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 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e03fcf7ecb969f8e26f25ef9b902940163e035207d3f840c3f145088a1c7c940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03fcf7ecb969f8e26f25ef9b902940163e035207d3f840c3f145088a1c7c940", kill_on_drop: false }`
[INFO] [stdout] e03fcf7ecb969f8e26f25ef9b902940163e035207d3f840c3f145088a1c7c940
