[INFO] cloning repository https://github.com/C-Saunders/days_between
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/C-Saunders/days_between" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Saunders%2Fdays_between", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Saunders%2Fdays_between'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbf5027b592fda1a07056190b13f58a3f9ab0a1d
[INFO] checking C-Saunders/days_between against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FC-Saunders%2Fdays_between" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/C-Saunders/days_between 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/C-Saunders/days_between
[INFO] finished tweaking git repo https://github.com/C-Saunders/days_between
[INFO] tweaked toml for git repo https://github.com/C-Saunders/days_between written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/C-Saunders/days_between 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]  Downloading crates ...
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded semver v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.4
[INFO] [stderr]   Downloaded clap v2.29.2
[INFO] [stderr]   Downloaded cargo_metadata v0.3.3
[INFO] [stderr]   Downloaded skeptic v0.13.2
[INFO] [stderr]   Downloaded bytecount v0.2.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ab0c311c01490da36f4ba8f6c8a07668ed937fab5fa5fdc34e067b9b07e573a
[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" "6ab0c311c01490da36f4ba8f6c8a07668ed937fab5fa5fdc34e067b9b07e573a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ab0c311c01490da36f4ba8f6c8a07668ed937fab5fa5fdc34e067b9b07e573a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab0c311c01490da36f4ba8f6c8a07668ed937fab5fa5fdc34e067b9b07e573a", kill_on_drop: false }`
[INFO] [stdout] 6ab0c311c01490da36f4ba8f6c8a07668ed937fab5fa5fdc34e067b9b07e573a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f17883b91c1c64e0690e86bc4f61fe5e397b570998bc445e8bfdf74309c45094
[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" "f17883b91c1c64e0690e86bc4f61fe5e397b570998bc445e8bfdf74309c45094", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling pulldown-cmark v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling bytecount v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]     Checking regex v0.2.5
[INFO] [stderr]     Checking days_between v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.3.3
[INFO] [stderr]    Compiling skeptic v0.13.2
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.95s
[INFO] running `Command { std: "docker" "inspect" "f17883b91c1c64e0690e86bc4f61fe5e397b570998bc445e8bfdf74309c45094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f17883b91c1c64e0690e86bc4f61fe5e397b570998bc445e8bfdf74309c45094", kill_on_drop: false }`
[INFO] [stdout] f17883b91c1c64e0690e86bc4f61fe5e397b570998bc445e8bfdf74309c45094