[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 try#d42a007e04d1d7df0de258d39ac2402f35aba932 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-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/n-yata/echo-client on toolchain d42a007e04d1d7df0de258d39ac2402f35aba932
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "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-tc2/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" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 195e7d6aa18af097b1822c9d8db5ee4b77c45c8a26f7b3e1d4bb310592915550
[INFO] running `Command { std: "docker" "start" "-a" "195e7d6aa18af097b1822c9d8db5ee4b77c45c8a26f7b3e1d4bb310592915550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "195e7d6aa18af097b1822c9d8db5ee4b77c45c8a26f7b3e1d4bb310592915550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195e7d6aa18af097b1822c9d8db5ee4b77c45c8a26f7b3e1d4bb310592915550", kill_on_drop: false }`
[INFO] [stdout] 195e7d6aa18af097b1822c9d8db5ee4b77c45c8a26f7b3e1d4bb310592915550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0cccfd9209aa9c69936a61f2361ee61dcf625c4e4d2988c02fee21b5b80ca59d
[INFO] running `Command { std: "docker" "start" "-a" "0cccfd9209aa9c69936a61f2361ee61dcf625c4e4d2988c02fee21b5b80ca59d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 4.24s
[INFO] running `Command { std: "docker" "inspect" "0cccfd9209aa9c69936a61f2361ee61dcf625c4e4d2988c02fee21b5b80ca59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cccfd9209aa9c69936a61f2361ee61dcf625c4e4d2988c02fee21b5b80ca59d", kill_on_drop: false }`
[INFO] [stdout] 0cccfd9209aa9c69936a61f2361ee61dcf625c4e4d2988c02fee21b5b80ca59d