[INFO] fetching crate iref 3.1.4...
[INFO] checking iref-3.1.4 against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] extracting crate iref 3.1.4 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate iref 3.1.4 on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iref 3.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate iref 3.1.4
[INFO] tweaked toml for crates.io crate iref 3.1.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate iref 3.1.4 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded half v2.3.1
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded range-traits v0.3.2
[INFO] [stderr]   Downloaded pct-str v2.0.0
[INFO] [stderr]   Downloaded abnf-core v0.5.0
[INFO] [stderr]   Downloaded utf8-decode v1.0.1
[INFO] [stderr]   Downloaded abnf v0.13.0
[INFO] [stderr]   Downloaded ahash v0.8.9
[INFO] [stderr]   Downloaded serde_json v1.0.114
[INFO] [stderr]   Downloaded syn v2.0.50
[INFO] [stderr]   Downloaded btree-slab v0.6.1
[INFO] [stderr]   Downloaded cc-traits v2.0.0
[INFO] [stderr]   Downloaded static-regular-grammar v1.1.1
[INFO] [stderr]   Downloaded btree-range-map v0.7.2
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 989e14429e3115ea697f0947879f360af1f55fc3daa4cf4b408d4d1939d689f0
[INFO] running `Command { std: "docker" "start" "-a" "989e14429e3115ea697f0947879f360af1f55fc3daa4cf4b408d4d1939d689f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "989e14429e3115ea697f0947879f360af1f55fc3daa4cf4b408d4d1939d689f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989e14429e3115ea697f0947879f360af1f55fc3daa4cf4b408d4d1939d689f0", kill_on_drop: false }`
[INFO] [stdout] 989e14429e3115ea697f0947879f360af1f55fc3daa4cf4b408d4d1939d689f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c500ee30093bf95cfa233dee3256ee87b1a503baea5a00c03415860201abb80a
[INFO] running `Command { std: "docker" "start" "-a" "c500ee30093bf95cfa233dee3256ee87b1a503baea5a00c03415860201abb80a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling half v2.3.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling range-traits v0.3.2
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]     Checking utf8-decode v1.0.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cc-traits v2.0.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]    Compiling btree-slab v0.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling abnf-core v0.5.0
[INFO] [stderr]    Compiling abnf v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking pct-str v2.0.0
[INFO] [stderr]    Compiling btree-range-map v0.7.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling static-regular-grammar v1.1.1
[INFO] [stderr]     Checking iref v3.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.64s
[INFO] running `Command { std: "docker" "inspect" "c500ee30093bf95cfa233dee3256ee87b1a503baea5a00c03415860201abb80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c500ee30093bf95cfa233dee3256ee87b1a503baea5a00c03415860201abb80a", kill_on_drop: false }`
[INFO] [stdout] c500ee30093bf95cfa233dee3256ee87b1a503baea5a00c03415860201abb80a