[INFO] cloning repository https://github.com/Technohacker/tiny-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Technohacker/tiny-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnohacker%2Ftiny-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnohacker%2Ftiny-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 976d0b55ba34ab4f639300fa9a6ee80c30723b8e
[INFO] checking Technohacker/tiny-machine against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTechnohacker%2Ftiny-machine" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Technohacker/tiny-machine on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Technohacker/tiny-machine
[INFO] finished tweaking git repo https://github.com/Technohacker/tiny-machine
[INFO] tweaked toml for git repo https://github.com/Technohacker/tiny-machine written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Technohacker/tiny-machine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 429317cc5eb054d784f08fa087720d01ce8f2e328bfd14175b6f6f9a187df185
[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" "429317cc5eb054d784f08fa087720d01ce8f2e328bfd14175b6f6f9a187df185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "429317cc5eb054d784f08fa087720d01ce8f2e328bfd14175b6f6f9a187df185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "429317cc5eb054d784f08fa087720d01ce8f2e328bfd14175b6f6f9a187df185", kill_on_drop: false }`
[INFO] [stdout] 429317cc5eb054d784f08fa087720d01ce8f2e328bfd14175b6f6f9a187df185
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90d8a8b50f24e3461334ba74dfd5b9a63a153adbfb5db950a3401f8e6ce113f1
[INFO] running `Command { std: "docker" "start" "-a" "90d8a8b50f24e3461334ba74dfd5b9a63a153adbfb5db950a3401f8e6ce113f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking system v0.1.0 (/opt/rustwide/workdir/system)
[INFO] [stderr]     Checking tiny-asm v0.1.0 (/opt/rustwide/workdir/bin/tiny-asm)
[INFO] [stderr]     Checking tiny-machine v0.1.0 (/opt/rustwide/workdir/bin/tiny-machine)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.57s
[INFO] running `Command { std: "docker" "inspect" "90d8a8b50f24e3461334ba74dfd5b9a63a153adbfb5db950a3401f8e6ce113f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d8a8b50f24e3461334ba74dfd5b9a63a153adbfb5db950a3401f8e6ce113f1", kill_on_drop: false }`
[INFO] [stdout] 90d8a8b50f24e3461334ba74dfd5b9a63a153adbfb5db950a3401f8e6ce113f1