[INFO] cloning repository https://github.com/ErichDonGubler/overcomplicated-echo-server-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ErichDonGubler/overcomplicated-echo-server-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErichDonGubler%2Fovercomplicated-echo-server-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErichDonGubler%2Fovercomplicated-echo-server-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15d45b33fe0976e2ca402aff938df2bc4886e535
[INFO] checking ErichDonGubler/overcomplicated-echo-server-rs against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FErichDonGubler%2Fovercomplicated-echo-server-rs" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ErichDonGubler/overcomplicated-echo-server-rs on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ErichDonGubler/overcomplicated-echo-server-rs
[INFO] finished tweaking git repo https://github.com/ErichDonGubler/overcomplicated-echo-server-rs
[INFO] tweaked toml for git repo https://github.com/ErichDonGubler/overcomplicated-echo-server-rs written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/ErichDonGubler/overcomplicated-echo-server-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b55067107222005d1845a0162277f4c8d2613245dfadccbb0a2cf696394ad3b
[INFO] running `Command { std: "docker" "start" "-a" "7b55067107222005d1845a0162277f4c8d2613245dfadccbb0a2cf696394ad3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b55067107222005d1845a0162277f4c8d2613245dfadccbb0a2cf696394ad3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b55067107222005d1845a0162277f4c8d2613245dfadccbb0a2cf696394ad3b", kill_on_drop: false }`
[INFO] [stdout] 7b55067107222005d1845a0162277f4c8d2613245dfadccbb0a2cf696394ad3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d7ba1544509a1784ffb90f0a51eac74b94b4588c8abd812037e697de8ed5cc0
[INFO] running `Command { std: "docker" "start" "-a" "3d7ba1544509a1784ffb90f0a51eac74b94b4588c8abd812037e697de8ed5cc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling display_derive v0.0.0
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling rustversion v1.0.0
[INFO] [stderr]    Compiling proc-macro-error v0.4.8
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.8
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking relay-server v0.1.0 (/opt/rustwide/workdir/relay-server)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Checking relay v0.1.0 (/opt/rustwide/workdir/relay)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.48s
[INFO] running `Command { std: "docker" "inspect" "3d7ba1544509a1784ffb90f0a51eac74b94b4588c8abd812037e697de8ed5cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7ba1544509a1784ffb90f0a51eac74b94b4588c8abd812037e697de8ed5cc0", kill_on_drop: false }`
[INFO] [stdout] 3d7ba1544509a1784ffb90f0a51eac74b94b4588c8abd812037e697de8ed5cc0