[INFO] fetching crate holochain_util 0.5.1-rc.0...
[INFO] checking holochain_util-0.5.1-rc.0 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate holochain_util 0.5.1-rc.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate holochain_util 0.5.1-rc.0 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_util 0.5.1-rc.0
[INFO] finished tweaking crates.io crate holochain_util 0.5.1-rc.0
[INFO] tweaked toml for crates.io crate holochain_util 0.5.1-rc.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "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 152 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "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 zeroize v1.8.1
[INFO] [stderr]   Downloaded arbitrary v1.4.1
[INFO] [stderr]   Downloaded derive_arbitrary v1.4.1
[INFO] [stderr]   Downloaded simd-adler32 v0.3.7
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.5
[INFO] [stderr]   Downloaded zopfli v0.8.2
[INFO] [stderr]   Downloaded sodoken v0.1.0
[INFO] [stderr]   Downloaded colored v2.2.0
[INFO] [stderr]   Downloaded libredox v0.1.3
[INFO] [stderr]   Downloaded zip v2.6.1
[INFO] [stderr]   Downloaded dunce v1.0.5
[INFO] [stderr]   Downloaded futures-macro v0.3.31
[INFO] [stderr]   Downloaded futures v0.3.31
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.3
[INFO] [stderr]   Downloaded schemars v0.8.22
[INFO] [stderr]   Downloaded dary_heap v0.3.7
[INFO] [stderr]   Downloaded core2 v0.4.0
[INFO] [stderr]   Downloaded libflate v2.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.219
[INFO] [stderr]   Downloaded base64 v0.22.1
[INFO] [stderr]   Downloaded dyn-clone v1.0.19
[INFO] [stderr]   Downloaded rpassword v7.4.0
[INFO] [stderr]   Downloaded ureq v2.12.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.29.1
[INFO] [stderr]   Downloaded schemars_derive v0.8.22
[INFO] [stderr]   Downloaded minisign-verify v0.2.3
[INFO] [stderr]   Downloaded rtoolbox v0.0.3
[INFO] [stderr]   Downloaded futures-executor v0.3.31
[INFO] [stderr]   Downloaded adler32 v1.2.0
[INFO] [stderr]   Downloaded allocator-api2 v0.2.21
[INFO] [stderr]   Downloaded libflate_lz77 v2.1.0
[INFO] [stderr]   Downloaded libsodium-sys-stable v1.22.3
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e49e4587182eeae3925fb60433bf127b6c707cb92372d4c9984e402ecdc55b2b
[INFO] running `Command { std: "docker" "start" "-a" "e49e4587182eeae3925fb60433bf127b6c707cb92372d4c9984e402ecdc55b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e49e4587182eeae3925fb60433bf127b6c707cb92372d4c9984e402ecdc55b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49e4587182eeae3925fb60433bf127b6c707cb92372d4c9984e402ecdc55b2b", kill_on_drop: false }`
[INFO] [stdout] e49e4587182eeae3925fb60433bf127b6c707cb92372d4c9984e402ecdc55b2b
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e534c3694c62e27520afe1509f4c59e20f8af3d52ce49ee903bc534a79ecdfd9
[INFO] running `Command { std: "docker" "start" "-a" "e534c3694c62e27520afe1509f4c59e20f8af3d52ce49ee903bc534a79ecdfd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling zip v2.6.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.3
[INFO] [stderr]    Compiling bumpalo v3.17.0
[INFO] [stderr]    Compiling dary_heap v0.3.7
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling zopfli v0.8.2
[INFO] [stderr]    Compiling flate2 v1.1.1
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling minisign-verify v0.2.3
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking dunce v1.0.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking rtoolbox v0.0.3
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]    Compiling libflate_lz77 v2.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking rpassword v7.4.0
[INFO] [stderr]    Compiling libflate v2.1.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling xattr v1.5.0
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]     Checking tokio v1.44.2
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.7.5
[INFO] [stderr]    Compiling zerovec v0.10.4
[INFO] [stderr]    Compiling tinystr v0.7.6
[INFO] [stderr]    Compiling icu_collections v1.5.0
[INFO] [stderr]    Compiling icu_locid v1.5.0
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]    Compiling libsodium-sys-stable v1.22.3
[INFO] [stderr]     Checking sodoken v0.1.0
[INFO] [stderr]     Checking holochain_util v0.5.1-rc.0 (/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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "e534c3694c62e27520afe1509f4c59e20f8af3d52ce49ee903bc534a79ecdfd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e534c3694c62e27520afe1509f4c59e20f8af3d52ce49ee903bc534a79ecdfd9", kill_on_drop: false }`
[INFO] [stdout] e534c3694c62e27520afe1509f4c59e20f8af3d52ce49ee903bc534a79ecdfd9