[INFO] fetching crate string_cache 0.8.4...
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] crate string_cache 0.8.4 is already in cache
[INFO] checking string_cache-0.8.4 against try#7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e for pr-99880
[INFO] extracting crate string_cache 0.8.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate string_cache 0.8.4 on toolchain 7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string_cache 0.8.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate string_cache 0.8.4
[INFO] tweaked toml for crates.io crate string_cache 0.8.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate string_cache 0.8.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e387d2d5cbed2a53d588ee359522ea15bc030ceccca2e93692d52cc2f9411a0
[INFO] running `Command { std: "docker" "start" "-a" "6e387d2d5cbed2a53d588ee359522ea15bc030ceccca2e93692d52cc2f9411a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e387d2d5cbed2a53d588ee359522ea15bc030ceccca2e93692d52cc2f9411a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e387d2d5cbed2a53d588ee359522ea15bc030ceccca2e93692d52cc2f9411a0", kill_on_drop: false }`
[INFO] [stdout] 6e387d2d5cbed2a53d588ee359522ea15bc030ceccca2e93692d52cc2f9411a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+7b91cbfbcf4c73b95e666e0f8972d2f7262ce27e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdf5a005e964964715e853dc6decc931d8b16824704bdd5163235be74259116
[INFO] running `Command { std: "docker" "start" "-a" "fcdf5a005e964964715e853dc6decc931d8b16824704bdd5163235be74259116", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking string_cache v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `Command { std: "docker" "inspect" "fcdf5a005e964964715e853dc6decc931d8b16824704bdd5163235be74259116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdf5a005e964964715e853dc6decc931d8b16824704bdd5163235be74259116", kill_on_drop: false }`
[INFO] [stdout] fcdf5a005e964964715e853dc6decc931d8b16824704bdd5163235be74259116