[INFO] fetching crate nib 0.0.8...
[INFO] checking nib-0.0.8 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate nib 0.0.8 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate nib 0.0.8 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nib 0.0.8
[INFO] finished tweaking crates.io crate nib 0.0.8
[INFO] tweaked toml for crates.io crate nib 0.0.8 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be936111bce48844ca6fc8982920a76223c12ed894f31c3191c21a0d5577b760
[INFO] running `Command { std: "docker" "start" "-a" "be936111bce48844ca6fc8982920a76223c12ed894f31c3191c21a0d5577b760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be936111bce48844ca6fc8982920a76223c12ed894f31c3191c21a0d5577b760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be936111bce48844ca6fc8982920a76223c12ed894f31c3191c21a0d5577b760", kill_on_drop: false }`
[INFO] [stdout] be936111bce48844ca6fc8982920a76223c12ed894f31c3191c21a0d5577b760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831a29fd92f8614c5128f6d13d8d7dabb437f1520ed037c18340237774d2e73e
[INFO] running `Command { std: "docker" "start" "-a" "831a29fd92f8614c5128f6d13d8d7dabb437f1520ed037c18340237774d2e73e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking fancy-regex v0.7.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking plist v1.2.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking handlebars v4.1.3
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking document_tree v0.4.0
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking rst_parser v0.4.0
[INFO] [stderr]     Checking rst_renderer v0.4.0
[INFO] [stderr]     Checking nib v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.87s
[INFO] running `Command { std: "docker" "inspect" "831a29fd92f8614c5128f6d13d8d7dabb437f1520ed037c18340237774d2e73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831a29fd92f8614c5128f6d13d8d7dabb437f1520ed037c18340237774d2e73e", kill_on_drop: false }`
[INFO] [stdout] 831a29fd92f8614c5128f6d13d8d7dabb437f1520ed037c18340237774d2e73e