[INFO] cloning repository https://github.com/gfreezy/alfred-docsrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/alfred-docsrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Falfred-docsrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Falfred-docsrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 037274ca7afcad9c876c38bd831d139dd2d0f658
[INFO] checking gfreezy/alfred-docsrs against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Falfred-docsrs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gfreezy/alfred-docsrs 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/gfreezy/alfred-docsrs
[INFO] finished tweaking git repo https://github.com/gfreezy/alfred-docsrs
[INFO] tweaked toml for git repo https://github.com/gfreezy/alfred-docsrs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gfreezy/alfred-docsrs 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]     Updating git repository `https://github.com/gfreezy/rustdoc_seeker`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/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] 28ef007470da047cb7d714a7d011700bfe42988c569254cdf04b1e2bf52035ea
[INFO] running `Command { std: "docker" "start" "-a" "28ef007470da047cb7d714a7d011700bfe42988c569254cdf04b1e2bf52035ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28ef007470da047cb7d714a7d011700bfe42988c569254cdf04b1e2bf52035ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ef007470da047cb7d714a7d011700bfe42988c569254cdf04b1e2bf52035ea", kill_on_drop: false }`
[INFO] [stdout] 28ef007470da047cb7d714a7d011700bfe42988c569254cdf04b1e2bf52035ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9dfbc66d600b4841a66334cdc942236d2765aaa05119801e4078c3ae39339de
[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" "d9dfbc66d600b4841a66334cdc942236d2765aaa05119801e4078c3ae39339de", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling version_check v0.9.1
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[INFO] [stderr]     Checking matches v0.1.8
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mime_guess v2.0.1
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[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
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[INFO] [stderr]    Compiling pin-project-internal v0.4.6
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[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
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[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
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[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
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[INFO] [stderr]     Checking hyper-tls v0.4.0-alpha.4
[INFO] [stderr]     Checking serde_json v1.0.44
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[INFO] [stderr]     Checking rustdoc-seeker v0.5.2 (https://github.com/gfreezy/rustdoc_seeker?rev=2cf44e27#2cf44e27)
[INFO] [stderr]     Checking docsrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "d9dfbc66d600b4841a66334cdc942236d2765aaa05119801e4078c3ae39339de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9dfbc66d600b4841a66334cdc942236d2765aaa05119801e4078c3ae39339de", kill_on_drop: false }`
[INFO] [stdout] d9dfbc66d600b4841a66334cdc942236d2765aaa05119801e4078c3ae39339de