[INFO] cloning repository https://github.com/lktrace/lktrace-backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lktrace/lktrace-backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flktrace%2Flktrace-backend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flktrace%2Flktrace-backend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4970feae012ff449283d66aaaa39ab227b26453d
[INFO] checking lktrace/lktrace-backend against try#9961e55b3687a6d0b2bab4af0e5e81494b09be81 for pr-139087-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flktrace%2Flktrace-backend" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lktrace/lktrace-backend
[INFO] finished tweaking git repo https://github.com/lktrace/lktrace-backend
[INFO] tweaked toml for git repo https://github.com/lktrace/lktrace-backend written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lktrace/lktrace-backend on toolchain 9961e55b3687a6d0b2bab4af0e5e81494b09be81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lktrace/lktrace-backend 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" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking lktrace/lktrace-backend against try#9961e55b3687a6d0b2bab4af0e5e81494b09be81 for pr-139087-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flktrace%2Flktrace-backend" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lktrace/lktrace-backend
[INFO] finished tweaking git repo https://github.com/lktrace/lktrace-backend
[INFO] tweaked toml for git repo https://github.com/lktrace/lktrace-backend written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lktrace/lktrace-backend on toolchain 9961e55b3687a6d0b2bab4af0e5e81494b09be81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lktrace/lktrace-backend 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" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v1.0.8
[INFO] [stderr]   Downloaded simplelog v0.12.2
[INFO] [stderr]   Downloaded colorchoice v1.0.2
[INFO] [stderr]   Downloaded clap_derive v4.5.18
[INFO] [stderr]   Downloaded anstyle-query v1.1.1
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.4
[INFO] [stderr]   Downloaded anstyle-parse v0.2.5
[INFO] [stderr]   Downloaded clap_builder v4.5.18
[INFO] [stderr]   Downloaded clap v4.5.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ff176306bb50a58a049d2c590c7760ccaf2724b1f2d4cd72f93310a997859ff
[INFO] running `Command { std: "docker" "start" "-a" "0ff176306bb50a58a049d2c590c7760ccaf2724b1f2d4cd72f93310a997859ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ff176306bb50a58a049d2c590c7760ccaf2724b1f2d4cd72f93310a997859ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ff176306bb50a58a049d2c590c7760ccaf2724b1f2d4cd72f93310a997859ff", kill_on_drop: false }`
[INFO] [stdout] 0ff176306bb50a58a049d2c590c7760ccaf2724b1f2d4cd72f93310a997859ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+9961e55b3687a6d0b2bab4af0e5e81494b09be81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 012c5738a80e8e23037ac3649d498b75cbfdb3f669bae54c5bce1bd8c190c19b
[INFO] running `Command { std: "docker" "start" "-a" "012c5738a80e8e23037ac3649d498b75cbfdb3f669bae54c5bce1bd8c190c19b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]     Checking anstyle-parse v0.2.5
[INFO] [stderr]     Checking anstyle v1.0.8
[INFO] [stderr]     Checking anstyle-query v1.1.1
[INFO] [stderr]     Checking colorchoice v1.0.2
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking anstream v0.6.15
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking simplelog v0.12.2
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking clap v4.5.18
[INFO] [stderr]     Checking lktrace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/event.rs:452:33
[INFO] [stdout]     |
[INFO] [stdout] 452 |             let nset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 452 -             let nset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout] 452 +             let nset = unsafe { u64::from_ne_bytes(buf) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/event.rs:462:33
[INFO] [stdout]     |
[INFO] [stdout] 462 |             let oset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 462 -             let oset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout] 462 +             let oset = unsafe { u64::from_ne_bytes(buf) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/event.rs:452:33
[INFO] [stdout]     |
[INFO] [stdout] 452 |             let nset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout]     = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 452 -             let nset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout] 452 +             let nset = unsafe { u64::from_ne_bytes(buf) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/event.rs:462:33
[INFO] [stdout]     |
[INFO] [stdout] 462 |             let oset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: there's also `from_le_bytes` and `from_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 462 -             let oset = unsafe { mem::transmute::<[u8; 8], u64>(buf) };
[INFO] [stdout] 462 +             let oset = unsafe { u64::from_ne_bytes(buf) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.71s
[INFO] running `Command { std: "docker" "inspect" "012c5738a80e8e23037ac3649d498b75cbfdb3f669bae54c5bce1bd8c190c19b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012c5738a80e8e23037ac3649d498b75cbfdb3f669bae54c5bce1bd8c190c19b", kill_on_drop: false }`
[INFO] [stdout] 012c5738a80e8e23037ac3649d498b75cbfdb3f669bae54c5bce1bd8c190c19b