[INFO] fetching crate rocket-accept-language 0.7.2...
[INFO] checking rocket-accept-language-0.7.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate rocket-accept-language 0.7.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rocket-accept-language 0.7.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.18
[INFO] [stderr]   Downloaded unic-langid-macros-impl v0.9.0
[INFO] [stderr]   Downloaded tinystr v0.3.3
[INFO] [stderr]   Downloaded unic-langid-macros v0.9.0
[INFO] [stderr]   Downloaded accept-language v2.0.0
[INFO] [stderr]   Downloaded unic-langid v0.9.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", 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] 5062010fb39a31ecaeeb6e3624ca644aebfcb2e78e881bc64047ae045ffe0b81
[INFO] running `Command { std: "docker" "start" "-a" "5062010fb39a31ecaeeb6e3624ca644aebfcb2e78e881bc64047ae045ffe0b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5062010fb39a31ecaeeb6e3624ca644aebfcb2e78e881bc64047ae045ffe0b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5062010fb39a31ecaeeb6e3624ca644aebfcb2e78e881bc64047ae045ffe0b81", kill_on_drop: false }`
[INFO] [stdout] 5062010fb39a31ecaeeb6e3624ca644aebfcb2e78e881bc64047ae045ffe0b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 534f6f0f9d2a70a47ffc50a342e211f6eb11ec5062cc7a8a06a1ffbe0f432368
[INFO] running `Command { std: "docker" "start" "-a" "534f6f0f9d2a70a47ffc50a342e211f6eb11ec5062cc7a8a06a1ffbe0f432368", 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 tinystr v0.3.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking accept-language v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]     Checking unic-langid-impl v0.9.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling unic-langid-macros-impl v0.9.0
[INFO] [stderr]    Compiling cookie v0.11.3
[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]    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 1m 01s
[INFO] running `Command { std: "docker" "inspect" "534f6f0f9d2a70a47ffc50a342e211f6eb11ec5062cc7a8a06a1ffbe0f432368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "534f6f0f9d2a70a47ffc50a342e211f6eb11ec5062cc7a8a06a1ffbe0f432368", kill_on_drop: false }`
[INFO] [stdout] 534f6f0f9d2a70a47ffc50a342e211f6eb11ec5062cc7a8a06a1ffbe0f432368