[INFO] cloning repository https://github.com/n-yata/echo-client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n-yata/echo-client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-yata%2Fecho-client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-yata%2Fecho-client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed13292429b8a94f1965620676ae250091f9b79c
[INFO] checking n-yata/echo-client against master#a77659a1e1807ba567f513afe59115af2604dc30 for pr-103029-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn-yata%2Fecho-client" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n-yata/echo-client on toolchain a77659a1e1807ba567f513afe59115af2604dc30
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/n-yata/echo-client
[INFO] finished tweaking git repo https://github.com/n-yata/echo-client
[INFO] tweaked toml for git repo https://github.com/n-yata/echo-client written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/n-yata/echo-client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4fa9f843c85ea30af1eb377cc2640337f1fffa36082fc7504f55326d491fa4a
[INFO] running `Command { std: "docker" "start" "-a" "d4fa9f843c85ea30af1eb377cc2640337f1fffa36082fc7504f55326d491fa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4fa9f843c85ea30af1eb377cc2640337f1fffa36082fc7504f55326d491fa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fa9f843c85ea30af1eb377cc2640337f1fffa36082fc7504f55326d491fa4a", kill_on_drop: false }`
[INFO] [stdout] d4fa9f843c85ea30af1eb377cc2640337f1fffa36082fc7504f55326d491fa4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+a77659a1e1807ba567f513afe59115af2604dc30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50d5b67a0a6a23820e325219fb281423b1585fd43caf0dc0bf18232acadde008
[INFO] running `Command { std: "docker" "start" "-a" "50d5b67a0a6a23820e325219fb281423b1585fd43caf0dc0bf18232acadde008", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking echo-client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "50d5b67a0a6a23820e325219fb281423b1585fd43caf0dc0bf18232acadde008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d5b67a0a6a23820e325219fb281423b1585fd43caf0dc0bf18232acadde008", kill_on_drop: false }`
[INFO] [stdout] 50d5b67a0a6a23820e325219fb281423b1585fd43caf0dc0bf18232acadde008