[INFO] fetching crate biblatex 0.4.1...
[INFO] checking biblatex-0.4.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate biblatex 0.4.1 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate biblatex 0.4.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate biblatex 0.4.1
[INFO] finished tweaking crates.io crate biblatex 0.4.1
[INFO] tweaked toml for crates.io crate biblatex 0.4.1 written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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 numerals v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a5635f291693a25c9ac747921edff1a1500dba823293f0fe50de261fa3964c8
[INFO] running `Command { std: "docker" "start" "-a" "3a5635f291693a25c9ac747921edff1a1500dba823293f0fe50de261fa3964c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a5635f291693a25c9ac747921edff1a1500dba823293f0fe50de261fa3964c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5635f291693a25c9ac747921edff1a1500dba823293f0fe50de261fa3964c8", kill_on_drop: false }`
[INFO] [stdout] 3a5635f291693a25c9ac747921edff1a1500dba823293f0fe50de261fa3964c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4612a78ef683a7a5ec677bda3b8b7b824802fdcdd0342ec13150c67fa2cc3e53
[INFO] running `Command { std: "docker" "start" "-a" "4612a78ef683a7a5ec677bda3b8b7b824802fdcdd0342ec13150c67fa2cc3e53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking numerals v0.1.4
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking biblatex v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `PagesRequired`
[INFO] [stdout]    --> src/mechanics.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     PagesRequired,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PagesRequired`
[INFO] [stdout]    --> src/mechanics.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout] 106 |     PagesRequired,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "4612a78ef683a7a5ec677bda3b8b7b824802fdcdd0342ec13150c67fa2cc3e53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4612a78ef683a7a5ec677bda3b8b7b824802fdcdd0342ec13150c67fa2cc3e53", kill_on_drop: false }`
[INFO] [stdout] 4612a78ef683a7a5ec677bda3b8b7b824802fdcdd0342ec13150c67fa2cc3e53