[INFO] fetching crate rocket-accept-language 0.7.2...
[INFO] checking rocket-accept-language-0.7.2 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate rocket-accept-language 0.7.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rocket-accept-language 0.7.2 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rocket-accept-language 0.7.2
[INFO] finished tweaking crates.io crate rocket-accept-language 0.7.2
[INFO] tweaked toml for crates.io crate rocket-accept-language 0.7.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rocket-accept-language 0.7.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded tinystr v0.3.3
[INFO] [stderr]   Downloaded unic-langid-macros v0.9.0
[INFO] [stderr]   Downloaded unic-langid-macros-impl v0.9.0
[INFO] [stderr]   Downloaded accept-language v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14749f4e0ce383dee3afffd5c6c0ece6c99ff5a1bb36ebccb19ffce5f67a36db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14749f4e0ce383dee3afffd5c6c0ece6c99ff5a1bb36ebccb19ffce5f67a36db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14749f4e0ce383dee3afffd5c6c0ece6c99ff5a1bb36ebccb19ffce5f67a36db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14749f4e0ce383dee3afffd5c6c0ece6c99ff5a1bb36ebccb19ffce5f67a36db", kill_on_drop: false }`
[INFO] [stdout] 14749f4e0ce383dee3afffd5c6c0ece6c99ff5a1bb36ebccb19ffce5f67a36db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3eb5b84a24d1f220cc7e0a1308844c2e83b53e8ebf76c0c8f5ff8af57690cb5
[INFO] running `Command { std: "docker" "start" "-a" "f3eb5b84a24d1f220cc7e0a1308844c2e83b53e8ebf76c0c8f5ff8af57690cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling tinystr v0.3.3
[INFO] [stderr]     Checking accept-language v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling unic-langid-impl v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]    Compiling unic-langid-macros-impl v0.9.0
[INFO] [stderr]     Checking rocket_http v0.4.5
[INFO] [stderr]     Checking unic-langid-macros v0.9.0
[INFO] [stderr]     Checking unic-langid v0.9.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]     Checking rocket v0.4.5
[INFO] [stderr]     Checking rocket-accept-language v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.98s
[INFO] running `Command { std: "docker" "inspect" "f3eb5b84a24d1f220cc7e0a1308844c2e83b53e8ebf76c0c8f5ff8af57690cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3eb5b84a24d1f220cc7e0a1308844c2e83b53e8ebf76c0c8f5ff8af57690cb5", kill_on_drop: false }`
[INFO] [stdout] f3eb5b84a24d1f220cc7e0a1308844c2e83b53e8ebf76c0c8f5ff8af57690cb5