[INFO] cloning repository https://github.com/bryanmehall/crdt-trait
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanmehall/crdt-trait" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanmehall%2Fcrdt-trait", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanmehall%2Fcrdt-trait'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f5e776d130ce51bc656d06143200b59233d1aee0
[INFO] checking bryanmehall/crdt-trait against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanmehall%2Fcrdt-trait" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bryanmehall/crdt-trait
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/bryanmehall/crdt-trait
[INFO] tweaked toml for git repo https://github.com/bryanmehall/crdt-trait written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bryanmehall/crdt-trait on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bryanmehall/crdt-trait 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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7209bee71d9156e5aa41194d06897967d9628ed923ee40347d46728e3bc2960
[INFO] running `Command { std: "docker" "start" "-a" "a7209bee71d9156e5aa41194d06897967d9628ed923ee40347d46728e3bc2960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7209bee71d9156e5aa41194d06897967d9628ed923ee40347d46728e3bc2960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7209bee71d9156e5aa41194d06897967d9628ed923ee40347d46728e3bc2960", kill_on_drop: false }`
[INFO] [stdout] a7209bee71d9156e5aa41194d06897967d9628ed923ee40347d46728e3bc2960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0e9133ad6b196f5ef3ba9cfe28db988ccc7e6a241284f86d202687c00429aac
[INFO] running `Command { std: "docker" "start" "-a" "d0e9133ad6b196f5ef3ba9cfe28db988ccc7e6a241284f86d202687c00429aac", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking bit-vec v0.8.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]    Compiling syn v2.0.112
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking bit-set v0.8.0
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking proptest v1.9.0
[INFO] [stderr]    Compiling crdt-derive v0.1.0 (/opt/rustwide/workdir/crdt-derive)
[INFO] [stderr]     Checking crdt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/consistency_failure.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut a = BrokenCrdt { value: 10 };
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "d0e9133ad6b196f5ef3ba9cfe28db988ccc7e6a241284f86d202687c00429aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e9133ad6b196f5ef3ba9cfe28db988ccc7e6a241284f86d202687c00429aac", kill_on_drop: false }`
[INFO] [stdout] d0e9133ad6b196f5ef3ba9cfe28db988ccc7e6a241284f86d202687c00429aac