[INFO] cloning repository https://github.com/BRA1L0R/netcatchatroom.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BRA1L0R/netcatchatroom.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBRA1L0R%2Fnetcatchatroom.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBRA1L0R%2Fnetcatchatroom.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 87c011df48784257c185e9a0011eede18f66c314
[INFO] checking BRA1L0R/netcatchatroom.rs against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBRA1L0R%2Fnetcatchatroom.rs" "/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/BRA1L0R/netcatchatroom.rs on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BRA1L0R/netcatchatroom.rs
[INFO] finished tweaking git repo https://github.com/BRA1L0R/netcatchatroom.rs
[INFO] tweaked toml for git repo https://github.com/BRA1L0R/netcatchatroom.rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/BRA1L0R/netcatchatroom.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded leaky-bucket v0.11.0
[INFO] [stderr]   Downloaded displaydoc v0.2.3
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f32b53100f2530ca8f722462cd148b302832dba28f36b313055b241fd3053bc
[INFO] running `Command { std: "docker" "start" "-a" "6f32b53100f2530ca8f722462cd148b302832dba28f36b313055b241fd3053bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f32b53100f2530ca8f722462cd148b302832dba28f36b313055b241fd3053bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f32b53100f2530ca8f722462cd148b302832dba28f36b313055b241fd3053bc", kill_on_drop: false }`
[INFO] [stdout] 6f32b53100f2530ca8f722462cd148b302832dba28f36b313055b241fd3053bc
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e1b3a81fd8a1e6cc74fe545f85bc44774cf32351464a88d6725aff073bf8957
[INFO] running `Command { std: "docker" "start" "-a" "9e1b3a81fd8a1e6cc74fe545f85bc44774cf32351464a88d6725aff073bf8957", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking leaky-bucket v0.11.0
[INFO] [stderr]     Checking netcatchatroom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.47s
[INFO] running `Command { std: "docker" "inspect" "9e1b3a81fd8a1e6cc74fe545f85bc44774cf32351464a88d6725aff073bf8957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e1b3a81fd8a1e6cc74fe545f85bc44774cf32351464a88d6725aff073bf8957", kill_on_drop: false }`
[INFO] [stdout] 9e1b3a81fd8a1e6cc74fe545f85bc44774cf32351464a88d6725aff073bf8957