[INFO] cloning repository https://github.com/grego/caretaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grego/caretaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrego%2Fcaretaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrego%2Fcaretaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 747ed777b3b67495fc486d8318b2b33233678a5a
[INFO] checking grego/caretaker against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrego%2Fcaretaker" "/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/grego/caretaker on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/grego/caretaker
[INFO] finished tweaking git repo https://github.com/grego/caretaker
[INFO] tweaked toml for git repo https://github.com/grego/caretaker written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/grego/caretaker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.3
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded mio-extras v2.0.6
[INFO] [stderr]   Downloaded structopt-derive v0.4.0
[INFO] [stderr]   Downloaded winapi-util v0.1.3
[INFO] [stderr]   Downloaded custom_error v1.7.1
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded fsevent v2.0.1
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded proc-macro-error v0.4.4
[INFO] [stderr]   Downloaded inotify v0.8.0
[INFO] [stderr]   Downloaded notify v5.0.0-pre.2
[INFO] [stderr]   Downloaded fsevent-sys v3.0.0
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded structopt v0.3.7
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded rustversion v1.0.1
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded filetime v0.2.8
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0cbc0fae85a34d15a14c73fe1f8b020b14bc5955c19d26863d4114311f80b26
[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" "b0cbc0fae85a34d15a14c73fe1f8b020b14bc5955c19d26863d4114311f80b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0cbc0fae85a34d15a14c73fe1f8b020b14bc5955c19d26863d4114311f80b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cbc0fae85a34d15a14c73fe1f8b020b14bc5955c19d26863d4114311f80b26", kill_on_drop: false }`
[INFO] [stdout] b0cbc0fae85a34d15a14c73fe1f8b020b14bc5955c19d26863d4114311f80b26
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 366a0f86c43669159e164f315173be855734b1e85f082c59f80e0d3e4206a617
[INFO] running `Command { std: "docker" "start" "-a" "366a0f86c43669159e164f315173be855734b1e85f082c59f80e0d3e4206a617", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking custom_error v1.7.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]     Checking inotify v0.8.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking notify v5.0.0-pre.2
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]     Checking structopt v0.3.7
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking caretaker v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.06s
[INFO] running `Command { std: "docker" "inspect" "366a0f86c43669159e164f315173be855734b1e85f082c59f80e0d3e4206a617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366a0f86c43669159e164f315173be855734b1e85f082c59f80e0d3e4206a617", kill_on_drop: false }`
[INFO] [stdout] 366a0f86c43669159e164f315173be855734b1e85f082c59f80e0d3e4206a617