[INFO] cloning repository https://github.com/jwiegley/delta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwiegley/delta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwiegley%2Fdelta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwiegley%2Fdelta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19a49bdd48ac99094211dbc38eebd55a57628120
[INFO] checking jwiegley/delta against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwiegley%2Fdelta" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jwiegley/delta on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jwiegley/delta
[INFO] finished tweaking git repo https://github.com/jwiegley/delta
[INFO] tweaked toml for git repo https://github.com/jwiegley/delta written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jwiegley/delta 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81f3a362bb9176ee8a746d41da3cba8647be8268d12d665fd7848151a0310784
[INFO] running `Command { std: "docker" "start" "-a" "81f3a362bb9176ee8a746d41da3cba8647be8268d12d665fd7848151a0310784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81f3a362bb9176ee8a746d41da3cba8647be8268d12d665fd7848151a0310784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f3a362bb9176ee8a746d41da3cba8647be8268d12d665fd7848151a0310784", kill_on_drop: false }`
[INFO] [stdout] 81f3a362bb9176ee8a746d41da3cba8647be8268d12d665fd7848151a0310784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0132a83da0ce7fcae1e4de1f1898c15ee0605264638e7f2f5fc7aded85dae4a4
[INFO] running `Command { std: "docker" "start" "-a" "0132a83da0ce7fcae1e4de1f1898c15ee0605264638e7f2f5fc7aded85dae4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking comparable_helper v0.5.4 (/opt/rustwide/workdir/comparable_helper)
[INFO] [stderr]     Checking comparable_derive v0.5.4 (/opt/rustwide/workdir/comparable_derive)
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking comparable v0.5.4 (/opt/rustwide/workdir/comparable)
[INFO] [stderr]     Checking comparable_test v0.5.4 (/opt/rustwide/workdir/comparable_test)
[INFO] [stdout] warning: enum `Unit` is never used
[INFO] [stdout]  --> comparable_test/test/enums.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 |     enum Unit {}
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> comparable_test/test/structs.rs:61:58
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub struct ScalarUnnamedVecIgnored(#[comparable_ignore] pub Vec<u8>);
[INFO] [stdout]    |                ----------------------- field in this struct ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> comparable_test/test/structs.rs:71:58
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub struct ScalarUnnamedVecIgnored(#[comparable_ignore] pub Vec<u8>);
[INFO] [stdout]    |                ----------------------- field in this struct ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `some_ints` is never read
[INFO] [stdout]    --> comparable_test/test/structs.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 118 |     pub struct ScalarNamedVecIgnored {
[INFO] [stdout]     |                --------------------- field in this struct
[INFO] [stdout] 119 |         #[comparable_ignore]
[INFO] [stdout] 120 |         pub some_ints: Vec<u8>,
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "0132a83da0ce7fcae1e4de1f1898c15ee0605264638e7f2f5fc7aded85dae4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0132a83da0ce7fcae1e4de1f1898c15ee0605264638e7f2f5fc7aded85dae4a4", kill_on_drop: false }`
[INFO] [stdout] 0132a83da0ce7fcae1e4de1f1898c15ee0605264638e7f2f5fc7aded85dae4a4