[INFO] cloning repository https://github.com/TeXitoi/mdf2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TeXitoi/mdf2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeXitoi%2Fmdf2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeXitoi%2Fmdf2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d2f2464f2071ae82bd1c8c987c93b9fc6ca0bc9
[INFO] checking TeXitoi/mdf2016 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeXitoi%2Fmdf2016" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TeXitoi/mdf2016 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TeXitoi/mdf2016
[INFO] finished tweaking git repo https://github.com/TeXitoi/mdf2016
[INFO] tweaked toml for git repo https://github.com/TeXitoi/mdf2016 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/TeXitoi/mdf2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordermap v0.2.10
[INFO] [stderr]   Downloaded fixedbitset v0.1.7
[INFO] [stderr]   Downloaded petgraph v0.4.5
[INFO] [stderr]   Downloaded structopt-derive v0.1.0
[INFO] [stderr]   Downloaded structopt v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f223845ccba2a091b598458c1573b8f05df0b98c2d73d4abdbd95ce68e585744
[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" "f223845ccba2a091b598458c1573b8f05df0b98c2d73d4abdbd95ce68e585744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f223845ccba2a091b598458c1573b8f05df0b98c2d73d4abdbd95ce68e585744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f223845ccba2a091b598458c1573b8f05df0b98c2d73d4abdbd95ce68e585744", kill_on_drop: false }`
[INFO] [stdout] f223845ccba2a091b598458c1573b8f05df0b98c2d73d4abdbd95ce68e585744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26ee78979e9401f51b3454afdfb07a0954b66b7425539c76e563cae06e9acd52
[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" "26ee78979e9401f51b3454afdfb07a0954b66b7425539c76e563cae06e9acd52", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.29
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking fixedbitset v0.1.7
[INFO] [stderr]     Checking ordermap v0.2.10
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking petgraph v0.4.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]    Compiling structopt-derive v0.1.0
[INFO] [stderr]     Checking structopt v0.1.0
[INFO] [stderr]     Checking mdf2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.60s
[INFO] running `Command { std: "docker" "inspect" "26ee78979e9401f51b3454afdfb07a0954b66b7425539c76e563cae06e9acd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26ee78979e9401f51b3454afdfb07a0954b66b7425539c76e563cae06e9acd52", kill_on_drop: false }`
[INFO] [stdout] 26ee78979e9401f51b3454afdfb07a0954b66b7425539c76e563cae06e9acd52