[INFO] fetching crate holochain_util 0.4.0-dev.4...
[INFO] checking holochain_util-0.4.0-dev.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate holochain_util 0.4.0-dev.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate holochain_util 0.4.0-dev.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_util 0.4.0-dev.4
[INFO] finished tweaking crates.io crate holochain_util 0.4.0-dev.4
[INFO] tweaked toml for crates.io crate holochain_util 0.4.0-dev.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 145 packages to latest compatible versions
[INFO] [stderr]       Adding addr2line v0.22.0 (latest: v0.24.1)
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[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.59.0)
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[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sodoken v0.0.11
[INFO] [stderr]   Downloaded libflate_lz77 v2.1.0
[INFO] [stderr]   Downloaded dunce v1.0.5
[INFO] [stderr]   Downloaded dary_heap v0.3.6
[INFO] [stderr]   Downloaded core2 v0.4.0
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[INFO] [stderr]   Downloaded zip v2.2.0
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[INFO] [stderr]   Downloaded libsodium-sys-stable v1.21.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d8b1b617bae5568867ab5248a1ce618776be778b076b516ef7be9495e5178e3
[INFO] running `Command { std: "docker" "start" "-a" "8d8b1b617bae5568867ab5248a1ce618776be778b076b516ef7be9495e5178e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d8b1b617bae5568867ab5248a1ce618776be778b076b516ef7be9495e5178e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8b1b617bae5568867ab5248a1ce618776be778b076b516ef7be9495e5178e3", kill_on_drop: false }`
[INFO] [stdout] 8d8b1b617bae5568867ab5248a1ce618776be778b076b516ef7be9495e5178e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e0c7840f5f7bcd771743d77361cdc5b7ea91fca12dcea5edb8c91f060969a3b
[INFO] running `Command { std: "docker" "start" "-a" "1e0c7840f5f7bcd771743d77361cdc5b7ea91fca12dcea5edb8c91f060969a3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling dary_heap v0.3.6
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling minisign-verify v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.127
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking rtoolbox v0.0.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking dunce v1.0.5
[INFO] [stderr]     Checking rpassword v7.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]     Checking one_err v0.0.8
[INFO] [stderr]    Compiling url v2.5.2
[INFO] [stderr]    Compiling libflate_lz77 v2.1.0
[INFO] [stderr]    Compiling libflate v2.1.0
[INFO] [stderr]    Compiling ureq v2.10.1
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar v0.4.41
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling libsodium-sys-stable v1.21.1
[INFO] [stderr]     Checking sodoken v0.0.11
[INFO] [stderr]     Checking holochain_util v0.4.0-dev.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ffs/io_error.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn with_backtrace(mut self) -> Self {
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ffs/io_error.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn remove_backtrace(mut self) -> Self {
[INFO] [stdout]    |                             ----^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ffs/io_error.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn with_backtrace(mut self) -> Self {
[INFO] [stdout]    |                           ----^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ffs/io_error.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn remove_backtrace(mut self) -> Self {
[INFO] [stdout]    |                             ----^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "1e0c7840f5f7bcd771743d77361cdc5b7ea91fca12dcea5edb8c91f060969a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e0c7840f5f7bcd771743d77361cdc5b7ea91fca12dcea5edb8c91f060969a3b", kill_on_drop: false }`
[INFO] [stdout] 1e0c7840f5f7bcd771743d77361cdc5b7ea91fca12dcea5edb8c91f060969a3b