[INFO] cloning repository https://github.com/qtfkwk/dtg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qtfkwk/dtg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqtfkwk%2Fdtg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqtfkwk%2Fdtg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec7cab8f30dae6eb9535a339bc6ce57d6d08ecb6
[INFO] checking qtfkwk/dtg against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqtfkwk%2Fdtg" "/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/qtfkwk/dtg 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/qtfkwk/dtg
[INFO] finished tweaking git repo https://github.com/qtfkwk/dtg
[INFO] tweaked toml for git repo https://github.com/qtfkwk/dtg written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/qtfkwk/dtg 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]  Downloading crates ...
[INFO] [stderr]   Downloaded windows_macros v0.9.1
[INFO] [stderr]   Downloaded windows v0.9.1
[INFO] [stderr]   Downloaded iana-time-zone v0.1.9
[INFO] [stderr]   Downloaded windows_gen v0.9.1
[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" "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] 13de2c0661311c8b10040e6be18b39d8bf456dbbf79a8309bbef4372da34bc73
[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" "13de2c0661311c8b10040e6be18b39d8bf456dbbf79a8309bbef4372da34bc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13de2c0661311c8b10040e6be18b39d8bf456dbbf79a8309bbef4372da34bc73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13de2c0661311c8b10040e6be18b39d8bf456dbbf79a8309bbef4372da34bc73", kill_on_drop: false }`
[INFO] [stdout] 13de2c0661311c8b10040e6be18b39d8bf456dbbf79a8309bbef4372da34bc73
[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" "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] c646d022ec12d3cfac374058596448df158ae169cf3b8996b6fc83ef06bed7a3
[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" "c646d022ec12d3cfac374058596448df158ae169cf3b8996b6fc83ef06bed7a3", 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]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.51
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking dtg v3.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.27s
[INFO] running `Command { std: "docker" "inspect" "c646d022ec12d3cfac374058596448df158ae169cf3b8996b6fc83ef06bed7a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c646d022ec12d3cfac374058596448df158ae169cf3b8996b6fc83ef06bed7a3", kill_on_drop: false }`
[INFO] [stdout] c646d022ec12d3cfac374058596448df158ae169cf3b8996b6fc83ef06bed7a3