[INFO] cloning repository https://github.com/dpc/dotr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpc/dotr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fdotr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fdotr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad5ec33f721b517e2da13431e3dc89c188b8f1f3
[INFO] checking dpc/dotr against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpc%2Fdotr" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpc/dotr 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/dpc/dotr
[INFO] finished tweaking git repo https://github.com/dpc/dotr
[INFO] tweaked toml for git repo https://github.com/dpc/dotr written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dpc/dotr 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] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded syn v0.14.4
[INFO] [stderr]   Downloaded slog v2.2.3
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 297259371b007812223a2b3e1c60098f3c97cc591edb848b50d89def3b7f5af7
[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" "297259371b007812223a2b3e1c60098f3c97cc591edb848b50d89def3b7f5af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "297259371b007812223a2b3e1c60098f3c97cc591edb848b50d89def3b7f5af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297259371b007812223a2b3e1c60098f3c97cc591edb848b50d89def3b7f5af7", kill_on_drop: false }`
[INFO] [stdout] 297259371b007812223a2b3e1c60098f3c97cc591edb848b50d89def3b7f5af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 02bf69c41aef21b56ab7a53b69372f14cc04b496e98785a15ee2c8d25749e589
[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" "02bf69c41aef21b56ab7a53b69372f14cc04b496e98785a15ee2c8d25749e589", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/nightly/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking slog v2.2.3
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking slog-term v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking dotr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "02bf69c41aef21b56ab7a53b69372f14cc04b496e98785a15ee2c8d25749e589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bf69c41aef21b56ab7a53b69372f14cc04b496e98785a15ee2c8d25749e589", kill_on_drop: false }`
[INFO] [stdout] 02bf69c41aef21b56ab7a53b69372f14cc04b496e98785a15ee2c8d25749e589