[INFO] cloning repository https://github.com/upsuper/bgmrank
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upsuper/bgmrank" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fbgmrank", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fbgmrank'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d44949077906fe41c0c7fc6517199eb64a0fe02f
[INFO] checking upsuper/bgmrank against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fbgmrank" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upsuper/bgmrank on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/upsuper/bgmrank
[INFO] finished tweaking git repo https://github.com/upsuper/bgmrank
[INFO] tweaked toml for git repo https://github.com/upsuper/bgmrank written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/upsuper/bgmrank already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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 crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.14
[INFO] [stderr]   Downloaded tokio-trace-core v0.1.0
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[INFO] [stderr]   Downloaded bitflags v1.0.5
[INFO] [stderr]   Downloaded cc v1.0.36
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[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.1
[INFO] [stderr]   Downloaded spin v0.5.0
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[INFO] [stderr]   Downloaded string v0.1.3
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] [stderr]   Downloaded string_cache_codegen v0.4.2
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded kuchiki v0.7.3
[INFO] [stderr]   Downloaded tokio-rustls v0.9.2
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded cssparser-macros v0.3.5
[INFO] [stderr]   Downloaded publicsuffix v1.5.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.17
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded want v0.0.6
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded string_cache v0.7.3
[INFO] [stderr]   Downloaded cookie_store v0.5.1
[INFO] [stderr]   Downloaded tokio-sync v0.1.5
[INFO] [stderr]   Downloaded procedural-masquerade v0.1.6
[INFO] [stderr]   Downloaded h2 v0.1.18
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded error-chain v0.12.0
[INFO] [stderr]   Downloaded syn v0.15.33
[INFO] [stderr]   Downloaded libc v0.2.53
[INFO] [stderr]   Downloaded flate2 v1.0.7
[INFO] [stderr]   Downloaded futures v0.1.26
[INFO] [stderr]   Downloaded tokio-tcp v0.1.3
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded tokio-executor v0.1.7
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded enum-set v0.0.8
[INFO] [stderr]   Downloaded ct-logs v0.5.1
[INFO] [stderr]   Downloaded cssparser v0.25.7
[INFO] [stderr]   Downloaded hyper v0.12.28
[INFO] [stderr]   Downloaded unicase v2.4.0
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded mime v0.3.13
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.6
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] [stderr]   Downloaded owning_ref v0.4.0
[INFO] [stderr]   Downloaded lock_api v0.1.5
[INFO] [stderr]   Downloaded parking_lot_core v0.4.0
[INFO] [stderr]   Downloaded parking_lot v0.7.1
[INFO] [stderr]   Downloaded reqwest v0.9.16
[INFO] [stderr]   Downloaded markup5ever v0.8.0
[INFO] [stderr]   Downloaded html5ever v0.22.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35cc21ba1994fa953e643cf2aa14f45bf3d5b1dc44897b586224a141a7b2e2b1
[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" "35cc21ba1994fa953e643cf2aa14f45bf3d5b1dc44897b586224a141a7b2e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35cc21ba1994fa953e643cf2aa14f45bf3d5b1dc44897b586224a141a7b2e2b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cc21ba1994fa953e643cf2aa14f45bf3d5b1dc44897b586224a141a7b2e2b1", kill_on_drop: false }`
[INFO] [stdout] 35cc21ba1994fa953e643cf2aa14f45bf3d5b1dc44897b586224a141a7b2e2b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea95f53494ad2ea2ce4e2ee28089c0dd731d9812cd16751f19dad326434494c1
[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" "ea95f53494ad2ea2ce4e2ee28089c0dd731d9812cd16751f19dad326434494c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.2.1
[INFO] [stderr]     Checking tokio-sync v0.1.5
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking dtoa-short v0.3.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking arrayvec v0.4.10
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking encoding_rs v0.8.17
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling miniz_oxide_c_api v0.2.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.19
[INFO] [stderr]     Checking h2 v0.1.18
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking hyper v0.12.28
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking tokio-rustls v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling cssparser v0.25.7
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling html5ever v0.22.8
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling markup5ever v0.8.0
[INFO] [stderr]     Checking cookie_store v0.5.1
[INFO] [stderr]     Checking reqwest v0.9.16
[INFO] [stderr]     Checking kuchiki v0.7.3
[INFO] [stderr]     Checking libbgmrank v0.0.1 (/opt/rustwide/workdir/libbgmrank)
[INFO] [stderr]     Checking bgmrank-cli v0.1.0 (/opt/rustwide/workdir/bgmrank-cli)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "ea95f53494ad2ea2ce4e2ee28089c0dd731d9812cd16751f19dad326434494c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea95f53494ad2ea2ce4e2ee28089c0dd731d9812cd16751f19dad326434494c1", kill_on_drop: false }`
[INFO] [stdout] ea95f53494ad2ea2ce4e2ee28089c0dd731d9812cd16751f19dad326434494c1