[INFO] cloning repository https://github.com/IanConnolly/echo.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/IanConnolly/echo.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanConnolly%2Fecho.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanConnolly%2Fecho.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a4689615d62baeacf4b5e348e0fb4a9b40ca38a
[INFO] checking IanConnolly/echo.rs against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIanConnolly%2Fecho.rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/IanConnolly/echo.rs on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/IanConnolly/echo.rs
[INFO] finished tweaking git repo https://github.com/IanConnolly/echo.rs
[INFO] tweaked toml for git repo https://github.com/IanConnolly/echo.rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/IanConnolly/echo.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9c785a120355c5c740d6738ce5d68a8deac2bd44418b7f5a20e50c0ba92240
[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" "8b9c785a120355c5c740d6738ce5d68a8deac2bd44418b7f5a20e50c0ba92240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9c785a120355c5c740d6738ce5d68a8deac2bd44418b7f5a20e50c0ba92240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9c785a120355c5c740d6738ce5d68a8deac2bd44418b7f5a20e50c0ba92240", kill_on_drop: false }`
[INFO] [stdout] 8b9c785a120355c5c740d6738ce5d68a8deac2bd44418b7f5a20e50c0ba92240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f9c66eb75254d4cdb09ddb681360d2490914ad5db89fe7159f76d2c4dc7319b
[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" "1f9c66eb75254d4cdb09ddb681360d2490914ad5db89fe7159f76d2c4dc7319b", kill_on_drop: false }`
[INFO] [stderr]     Checking echo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "1f9c66eb75254d4cdb09ddb681360d2490914ad5db89fe7159f76d2c4dc7319b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9c66eb75254d4cdb09ddb681360d2490914ad5db89fe7159f76d2c4dc7319b", kill_on_drop: false }`
[INFO] [stdout] 1f9c66eb75254d4cdb09ddb681360d2490914ad5db89fe7159f76d2c4dc7319b