[INFO] updating cached repository https://github.com/nwmqpa/russd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7beb516ca7a0ca640b1c63849e1d94e5138828d
[INFO] checking nwmqpa/russd against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnwmqpa%2Frussd" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nwmqpa/russd on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nwmqpa/russd
[INFO] finished tweaking git repo https://github.com/nwmqpa/russd
[INFO] tweaked toml for git repo https://github.com/nwmqpa/russd written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nwmqpa/russd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26f51a460b6d1ae0becc06f8d2071cab171be474112ef38bdc519c9c3e1c9c29
[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" "26f51a460b6d1ae0becc06f8d2071cab171be474112ef38bdc519c9c3e1c9c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26f51a460b6d1ae0becc06f8d2071cab171be474112ef38bdc519c9c3e1c9c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f51a460b6d1ae0becc06f8d2071cab171be474112ef38bdc519c9c3e1c9c29", kill_on_drop: false }`
[INFO] [stdout] 26f51a460b6d1ae0becc06f8d2071cab171be474112ef38bdc519c9c3e1c9c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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] f3479d61f9269cc40487fb9a1a318675d44046b2dfa5d1fc2b8e94ac9ae03843
[INFO] running `Command { std: "docker" "start" "-a" "f3479d61f9269cc40487fb9a1a318675d44046b2dfa5d1fc2b8e94ac9ae03843", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking webbrowser v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking dbus v0.6.5
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking notify-rust v3.6.3
[INFO] [stderr]     Checking ico v0.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking quick-xml v0.15.0
[INFO] [stderr]     Checking website-icon-extract v0.4.1
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde-xml-rs v0.3.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking russd v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "f3479d61f9269cc40487fb9a1a318675d44046b2dfa5d1fc2b8e94ac9ae03843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3479d61f9269cc40487fb9a1a318675d44046b2dfa5d1fc2b8e94ac9ae03843", kill_on_drop: false }`
[INFO] [stdout] f3479d61f9269cc40487fb9a1a318675d44046b2dfa5d1fc2b8e94ac9ae03843