[INFO] fetching crate cbor_event 2.1.3...
[INFO] checking cbor_event-2.1.3 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cbor_event 2.1.3 into /workspace/builds/worker-89/source
[INFO] validating manifest of crates.io crate cbor_event 2.1.3 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 cbor_event 2.1.3
[INFO] finished tweaking crates.io crate cbor_event 2.1.3
[INFO] tweaked toml for crates.io crate cbor_event 2.1.3 written to /workspace/builds/worker-89/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-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] 089d2f8037b2fe5288aaed18db65429b4932a7955c004f7e6e2e1e897a98fb05
[INFO] running `Command { std: "docker" "start" "-a" "089d2f8037b2fe5288aaed18db65429b4932a7955c004f7e6e2e1e897a98fb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "089d2f8037b2fe5288aaed18db65429b4932a7955c004f7e6e2e1e897a98fb05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "089d2f8037b2fe5288aaed18db65429b4932a7955c004f7e6e2e1e897a98fb05", kill_on_drop: false }`
[INFO] [stdout] 089d2f8037b2fe5288aaed18db65429b4932a7955c004f7e6e2e1e897a98fb05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-89/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] cfeec71fe4858bca64b23abfe6a578752dbae1a9fbedc780a91fb652adcfce15
[INFO] running `Command { std: "docker" "start" "-a" "cfeec71fe4858bca64b23abfe6a578752dbae1a9fbedc780a91fb652adcfce15", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking cbor_event v2.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.7.2
[INFO] [stdout] warning: constant is never used: `GARBAGE_LEN`
[INFO] [stdout]    --> src/de.rs:811:9
[INFO] [stdout]     |
[INFO] [stdout] 811 |         const GARBAGE_LEN: usize = 7;
[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 5.69s
[INFO] running `Command { std: "docker" "inspect" "cfeec71fe4858bca64b23abfe6a578752dbae1a9fbedc780a91fb652adcfce15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfeec71fe4858bca64b23abfe6a578752dbae1a9fbedc780a91fb652adcfce15", kill_on_drop: false }`
[INFO] [stdout] cfeec71fe4858bca64b23abfe6a578752dbae1a9fbedc780a91fb652adcfce15