[INFO] cloning repository https://github.com/miromotl/iron-gcd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miromotl/iron-gcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiromotl%2Firon-gcd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiromotl%2Firon-gcd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f4fe8ec635fd41376e77ebf98ec4817847e980a
[INFO] checking miromotl/iron-gcd against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiromotl%2Firon-gcd" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miromotl/iron-gcd on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/miromotl/iron-gcd
[INFO] finished tweaking git repo https://github.com/miromotl/iron-gcd
[INFO] tweaked toml for git repo https://github.com/miromotl/iron-gcd written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/miromotl/iron-gcd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.13
[INFO] [stderr]   Downloaded hpack v0.2.0
[INFO] [stderr]   Downloaded router v0.1.1
[INFO] [stderr]   Downloaded route-recognizer v0.1.13
[INFO] [stderr]   Downloaded uuid v0.2.3
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded tinyvec v0.3.4
[INFO] [stderr]   Downloaded hyper v0.8.1
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded traitobject v0.0.1
[INFO] [stderr]   Downloaded url v0.5.10
[INFO] [stderr]   Downloaded conduit-mime-types v0.7.3
[INFO] [stderr]   Downloaded persistent v0.1.0
[INFO] [stderr]   Downloaded unicode-bidi v0.2.6
[INFO] [stderr]   Downloaded error v0.1.9
[INFO] [stderr]   Downloaded cookie v0.2.5
[INFO] [stderr]   Downloaded iron v0.3.1
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded serde_json v0.7.4
[INFO] [stderr]   Downloaded solicit v0.4.4
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded urlencoded v0.3.0
[INFO] [stderr]   Downloaded bodyparser v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] f888f0e3bd41bf27dd5071fc5e3c009093b3fcda33f43f2a266c29bae7c2a911
[INFO] running `Command { std: "docker" "start" "-a" "f888f0e3bd41bf27dd5071fc5e3c009093b3fcda33f43f2a266c29bae7c2a911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f888f0e3bd41bf27dd5071fc5e3c009093b3fcda33f43f2a266c29bae7c2a911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f888f0e3bd41bf27dd5071fc5e3c009093b3fcda33f43f2a266c29bae7c2a911", kill_on_drop: false }`
[INFO] [stdout] f888f0e3bd41bf27dd5071fc5e3c009093b3fcda33f43f2a266c29bae7c2a911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 0814a2bd3fa747f84120def697bd45bb0e7c0fcccd3f261c9240ba467088adba
[INFO] running `Command { std: "docker" "start" "-a" "0814a2bd3fa747f84120def697bd45bb0e7c0fcccd3f261c9240ba467088adba", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.2.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking serde_json v0.7.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.2.3
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v0.5.10
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.8.1
[INFO] [stderr]     Checking iron v0.3.1
[INFO] [stderr]     Checking persistent v0.1.0
[INFO] [stderr]     Checking router v0.1.1
[INFO] [stderr]     Checking bodyparser v0.3.0
[INFO] [stderr]     Checking urlencoded v0.3.0
[INFO] [stderr]     Checking iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.99s
[INFO] running `Command { std: "docker" "inspect" "0814a2bd3fa747f84120def697bd45bb0e7c0fcccd3f261c9240ba467088adba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0814a2bd3fa747f84120def697bd45bb0e7c0fcccd3f261c9240ba467088adba", kill_on_drop: false }`
[INFO] [stdout] 0814a2bd3fa747f84120def697bd45bb0e7c0fcccd3f261c9240ba467088adba