[INFO] cloning repository https://github.com/emandres/slackbot-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emandres/slackbot-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femandres%2Fslackbot-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femandres%2Fslackbot-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50b8f3025827cd338a8e9f6a088cfe16a21e377d
[INFO] checking emandres/slackbot-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femandres%2Fslackbot-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emandres/slackbot-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emandres/slackbot-rust
[INFO] finished tweaking git repo https://github.com/emandres/slackbot-rust
[INFO] tweaked toml for git repo https://github.com/emandres/slackbot-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/emandres/slackbot-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35fa20baf7ad17b5aa1f0081c1d9a13ccf14ddcc9c44015f15f881ddf687a41a
[INFO] running `Command { std: "docker" "start" "-a" "35fa20baf7ad17b5aa1f0081c1d9a13ccf14ddcc9c44015f15f881ddf687a41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35fa20baf7ad17b5aa1f0081c1d9a13ccf14ddcc9c44015f15f881ddf687a41a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fa20baf7ad17b5aa1f0081c1d9a13ccf14ddcc9c44015f15f881ddf687a41a", kill_on_drop: false }`
[INFO] [stdout] 35fa20baf7ad17b5aa1f0081c1d9a13ccf14ddcc9c44015f15f881ddf687a41a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4960f3ab0c4354db4608ea3e75e26db74f93adb051f826460322ecfa4d74980d
[INFO] running `Command { std: "docker" "start" "-a" "4960f3ab0c4354db4608ea3e75e26db74f93adb051f826460322ecfa4d74980d", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.3.1
[INFO] [stderr]     Checking dtoa v0.4.1
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking serde_json v0.9.9
[INFO] [stderr]     Checking slackbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "4960f3ab0c4354db4608ea3e75e26db74f93adb051f826460322ecfa4d74980d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4960f3ab0c4354db4608ea3e75e26db74f93adb051f826460322ecfa4d74980d", kill_on_drop: false }`
[INFO] [stdout] 4960f3ab0c4354db4608ea3e75e26db74f93adb051f826460322ecfa4d74980d