[INFO] fetching crate range_union_find 0.5.0...
[INFO] checking range_union_find-0.5.0 against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] extracting crate range_union_find 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate range_union_find 0.5.0
[INFO] finished tweaking crates.io crate range_union_find 0.5.0
[INFO] tweaked toml for crates.io crate range_union_find 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate range_union_find 0.5.0 on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb80e8c1444351ecf5a1ba84a551fc9c1391202e3c74c0befb1d0494cbda6a95
[INFO] running `Command { std: "docker" "start" "-a" "bb80e8c1444351ecf5a1ba84a551fc9c1391202e3c74c0befb1d0494cbda6a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb80e8c1444351ecf5a1ba84a551fc9c1391202e3c74c0befb1d0494cbda6a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb80e8c1444351ecf5a1ba84a551fc9c1391202e3c74c0befb1d0494cbda6a95", kill_on_drop: false }`
[INFO] [stdout] bb80e8c1444351ecf5a1ba84a551fc9c1391202e3c74c0befb1d0494cbda6a95
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9aa9571ec05ea4c388857b6d20774697d682c84962dbbc5a3d5eb68168732e44
[INFO] running `Command { std: "docker" "start" "-a" "9aa9571ec05ea4c388857b6d20774697d682c84962dbbc5a3d5eb68168732e44", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking sorted-vec v0.8.10
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]     Checking range_union_find v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Num`
[INFO] [stdout]  --> src/num_trait.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num_traits::{PrimInt, Num};
[INFO] [stdout]   |                           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.4
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.3
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr] error: could not compile `icu_collections` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/804fff1ae95da9d03bd44eee27f258020a575dab/bin/rustc --crate-name icu_collections --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_collections-2.0.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "databake", "serde"))' -C metadata=c1f810947d87a7a1 -C extra-filename=-bc9eaf2ff405ae7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern displaydoc=/opt/rustwide/target/debug/deps/libdisplaydoc-a91a7fd10a1878fb.so --extern potential_utf=/opt/rustwide/target/debug/deps/libpotential_utf-e901a2c3f9023f4e.rmeta --extern yoke=/opt/rustwide/target/debug/deps/libyoke-b6ae2920134339f9.rmeta --extern zerofrom=/opt/rustwide/target/debug/deps/libzerofrom-f9fea406d71f0e61.rmeta --extern zerovec=/opt/rustwide/target/debug/deps/libzerovec-81c694aabed17ed8.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9aa9571ec05ea4c388857b6d20774697d682c84962dbbc5a3d5eb68168732e44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa9571ec05ea4c388857b6d20774697d682c84962dbbc5a3d5eb68168732e44", kill_on_drop: false }`
[INFO] [stdout] 9aa9571ec05ea4c388857b6d20774697d682c84962dbbc5a3d5eb68168732e44