[INFO] cloning repository https://github.com/csharad/cargo-ruukh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/csharad/cargo-ruukh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fcargo-ruukh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fcargo-ruukh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9af34455bb180890838773645334c33401844b05
[INFO] checking csharad/cargo-ruukh against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsharad%2Fcargo-ruukh" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csharad/cargo-ruukh 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/csharad/cargo-ruukh
[INFO] finished tweaking git repo https://github.com/csharad/cargo-ruukh
[INFO] tweaked toml for git repo https://github.com/csharad/cargo-ruukh written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/csharad/cargo-ruukh 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.7
[INFO] [stderr]   Downloaded serde_json v1.0.28
[INFO] [stderr]   Downloaded warp v0.1.9
[INFO] [stderr]   Downloaded lazycell v1.1.0
[INFO] [stderr]   Downloaded filetime v0.2.1
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded futures v0.1.24
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded hyper v0.12.10
[INFO] [stderr]   Downloaded digest v0.7.5
[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: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] 7f3f86600d701ed84552be53f2755dd69255157a82cf5d882709d73294ec8631
[INFO] running `Command { std: "docker" "start" "-a" "7f3f86600d701ed84552be53f2755dd69255157a82cf5d882709d73294ec8631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3f86600d701ed84552be53f2755dd69255157a82cf5d882709d73294ec8631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3f86600d701ed84552be53f2755dd69255157a82cf5d882709d73294ec8631", kill_on_drop: false }`
[INFO] [stdout] 7f3f86600d701ed84552be53f2755dd69255157a82cf5d882709d73294ec8631
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c323c02c1ad1a710d41d8f5e9d15dc9e8bc3eb2e1561a66b96d00a51167b8e70
[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" "c323c02c1ad1a710d41d8f5e9d15dc9e8bc3eb2e1561a66b96d00a51167b8e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.1.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-reactor v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.1
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.1
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking tungstenite v0.6.0
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking headers-core v0.0.1
[INFO] [stderr]     Checking hyper v0.12.10
[INFO] [stderr]    Compiling synstructure v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling headers-derive v0.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking headers-ext v0.0.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking serde_json v1.0.28
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking warp v0.1.9
[INFO] [stderr]     Checking cargo-ruukh v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "c323c02c1ad1a710d41d8f5e9d15dc9e8bc3eb2e1561a66b96d00a51167b8e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c323c02c1ad1a710d41d8f5e9d15dc9e8bc3eb2e1561a66b96d00a51167b8e70", kill_on_drop: false }`
[INFO] [stdout] c323c02c1ad1a710d41d8f5e9d15dc9e8bc3eb2e1561a66b96d00a51167b8e70