[INFO] cloning repository https://github.com/cortesi/mrpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cortesi/mrpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcortesi%2Fmrpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcortesi%2Fmrpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af9ff2be2e8691e9874232b8931ffb431a2b78f8
[INFO] checking cortesi/mrpc against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcortesi%2Fmrpc" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cortesi/mrpc 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/cortesi/mrpc
[INFO] finished tweaking git repo https://github.com/cortesi/mrpc
[INFO] tweaked toml for git repo https://github.com/cortesi/mrpc written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cortesi/mrpc 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmpv v1.3.0
[INFO] [stderr]   Downloaded msgpack-rpc v0.4.2
[INFO] [stderr]   Downloaded object v0.36.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 47483a8415a089607d7152e73ee2a20c6146144e4eae949c7f92768595f91406
[INFO] running `Command { std: "docker" "start" "-a" "47483a8415a089607d7152e73ee2a20c6146144e4eae949c7f92768595f91406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47483a8415a089607d7152e73ee2a20c6146144e4eae949c7f92768595f91406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47483a8415a089607d7152e73ee2a20c6146144e4eae949c7f92768595f91406", kill_on_drop: false }`
[INFO] [stdout] 47483a8415a089607d7152e73ee2a20c6146144e4eae949c7f92768595f91406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c2c8585426f27bbe95d8e1f062f182c23a391b3ab2f97790a602f06715ac16eb
[INFO] running `Command { std: "docker" "start" "-a" "c2c8585426f27bbe95d8e1f062f182c23a391b3ab2f97790a602f06715ac16eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.11
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.1
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking plotters v0.3.6
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking rmpv v1.3.0
[INFO] [stderr]     Checking clap v4.5.11
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing-test v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking msgpack-rpc v0.4.2
[INFO] [stderr]     Checking mrpc v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "c2c8585426f27bbe95d8e1f062f182c23a391b3ab2f97790a602f06715ac16eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c8585426f27bbe95d8e1f062f182c23a391b3ab2f97790a602f06715ac16eb", kill_on_drop: false }`
[INFO] [stdout] c2c8585426f27bbe95d8e1f062f182c23a391b3ab2f97790a602f06715ac16eb