[INFO] fetching crate ezno-checker 0.0.17...
[INFO] checking ezno-checker-0.0.17 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate ezno-checker 0.0.17 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ezno-checker 0.0.17 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ezno-checker 0.0.17
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate ezno-checker 0.0.17
[INFO] tweaked toml for crates.io crate ezno-checker 0.0.17 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ezno-checker 0.0.17 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded self-rust-tokenize-derive v0.3.4
[INFO] [stderr]   Downloaded gloo-utils v0.1.7
[INFO] [stderr]   Downloaded self-rust-tokenize v0.3.4
[INFO] [stderr]   Downloaded derive-debug-extras v0.3.0
[INFO] [stderr]   Downloaded binary-serialize-derive v0.0.2
[INFO] [stderr]   Downloaded macro_rules_attribute-proc_macro v0.2.0
[INFO] [stderr]   Downloaded macro_rules_attribute v0.2.0
[INFO] [stderr]   Downloaded path-absolutize v3.1.1
[INFO] [stderr]   Downloaded derive-enum-from-into v0.2.0
[INFO] [stderr]   Downloaded ezno-parser v0.1.6
[INFO] [stderr]   Downloaded derive-finite-automaton v0.2.0
[INFO] [stderr]   Downloaded derive-partial-eq-extras v0.2.0
[INFO] [stderr]   Downloaded ezno-parser-visitable-derive v0.0.8
[INFO] [stderr]   Downloaded get-field-by-type-derive v0.0.4
[INFO] [stderr]   Downloaded get-field-by-type v0.0.4
[INFO] [stderr]   Downloaded tokenizer-lib v1.6.0
[INFO] [stderr]   Downloaded match_deref v0.1.1
[INFO] [stderr]   Downloaded simple-json-parser v0.0.2
[INFO] [stderr]   Downloaded tsify v0.4.5
[INFO] [stderr]   Downloaded derive-finite-automaton-derive v0.2.0
[INFO] [stderr]   Downloaded enum-variants-strings-derive v0.3.0
[INFO] [stderr]   Downloaded enum-variants-strings v0.3.0
[INFO] [stderr]   Downloaded regress v0.10.0
[INFO] [stderr]   Downloaded string-cases v0.2.0
[INFO] [stderr]   Downloaded iterator-endiate v0.2.1
[INFO] [stderr]   Downloaded levenshtein v1.0.5
[INFO] [stderr]   Downloaded path-dedot v3.1.1
[INFO] [stderr]   Downloaded source-map v0.15.0
[INFO] [stderr]   Downloaded temporary-annex v0.1.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.28.0
[INFO] [stderr]   Downloaded tsify-macros v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 892f8cbe3224f7d3231e052fafa0a615ef879b4cc5032ddbcabf8fa685acc450
[INFO] running `Command { std: "docker" "start" "-a" "892f8cbe3224f7d3231e052fafa0a615ef879b4cc5032ddbcabf8fa685acc450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "892f8cbe3224f7d3231e052fafa0a615ef879b4cc5032ddbcabf8fa685acc450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892f8cbe3224f7d3231e052fafa0a615ef879b4cc5032ddbcabf8fa685acc450", kill_on_drop: false }`
[INFO] [stdout] 892f8cbe3224f7d3231e052fafa0a615ef879b4cc5032ddbcabf8fa685acc450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b91783d9ea0e4dcfd659c6ec6337338517c85ed9ad04f75dda9f7c25ce6cdf4
[INFO] running `Command { std: "docker" "start" "-a" "8b91783d9ea0e4dcfd659c6ec6337338517c85ed9ad04f75dda9f7c25ce6cdf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling either_n v0.2.0
[INFO] [stderr]    Compiling string-cases v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]    Compiling macro_rules_attribute-proc_macro v0.2.0
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking iterator-endiate v0.2.1
[INFO] [stderr]     Checking temporary-annex v0.1.0
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking simple-json-parser v0.0.2
[INFO] [stderr]     Checking macro_rules_attribute v0.2.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling syn v2.0.76
[INFO] [stderr]     Checking ordered-float v4.2.2
[INFO] [stderr]     Checking regress v0.10.0
[INFO] [stderr]    Compiling syn-helpers v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling derive-finite-automaton-derive v0.2.0
[INFO] [stderr]    Compiling enum-variants-strings-derive v0.3.0
[INFO] [stderr]    Compiling derive-enum-from-into v0.2.0
[INFO] [stderr]    Compiling self-rust-tokenize-derive v0.3.4
[INFO] [stderr]    Compiling get-field-by-type-derive v0.0.4
[INFO] [stderr]    Compiling derive-partial-eq-extras v0.2.0
[INFO] [stderr]     Checking get-field-by-type v0.0.4
[INFO] [stderr]     Checking enum-variants-strings v0.3.0
[INFO] [stderr]    Compiling derive-debug-extras v0.3.0
[INFO] [stderr]    Compiling ezno-parser-visitable-derive v0.0.8
[INFO] [stderr]    Compiling binary-serialize-derive v0.0.2
[INFO] [stderr]     Checking self-rust-tokenize v0.3.4
[INFO] [stderr]     Checking derive-finite-automaton v0.2.0
[INFO] [stderr]    Compiling match_deref v0.1.1
[INFO] [stderr]     Checking serde v1.0.209
[INFO] [stderr]     Checking source-map v0.15.0
[INFO] [stderr]     Checking tokenizer-lib v1.6.0
[INFO] [stderr]     Checking ezno-parser v0.1.6
[INFO] [stderr]     Checking ezno-checker v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.44s
[INFO] running `Command { std: "docker" "inspect" "8b91783d9ea0e4dcfd659c6ec6337338517c85ed9ad04f75dda9f7c25ce6cdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b91783d9ea0e4dcfd659c6ec6337338517c85ed9ad04f75dda9f7c25ce6cdf4", kill_on_drop: false }`
[INFO] [stdout] 8b91783d9ea0e4dcfd659c6ec6337338517c85ed9ad04f75dda9f7c25ce6cdf4