[INFO] cloning repository https://github.com/simonkorl/rust_link_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonkorl/rust_link_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonkorl%2Frust_link_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonkorl%2Frust_link_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd935a1d7edaba8f5affa3b3cc8a25c5e5da8fa
[INFO] checking simonkorl/rust_link_demo against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonkorl%2Frust_link_demo" "/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/simonkorl/rust_link_demo on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/simonkorl/rust_link_demo
[INFO] finished tweaking git repo https://github.com/simonkorl/rust_link_demo
[INFO] tweaked toml for git repo https://github.com/simonkorl/rust_link_demo written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/simonkorl/rust_link_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de876d5a0b2a31cbd8c0dce8d5a6951f1268a9234e74cd31b3e04203b2444aa8
[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" "de876d5a0b2a31cbd8c0dce8d5a6951f1268a9234e74cd31b3e04203b2444aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de876d5a0b2a31cbd8c0dce8d5a6951f1268a9234e74cd31b3e04203b2444aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de876d5a0b2a31cbd8c0dce8d5a6951f1268a9234e74cd31b3e04203b2444aa8", kill_on_drop: false }`
[INFO] [stdout] de876d5a0b2a31cbd8c0dce8d5a6951f1268a9234e74cd31b3e04203b2444aa8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cb3fe63c0c57436ddfe544d3dd4676c575584877644d371e26799f19a2e8210
[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" "7cb3fe63c0c57436ddfe544d3dd4676c575584877644d371e26799f19a2e8210", kill_on_drop: false }`
[INFO] [stderr]    Compiling dunce v0.1.1
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling link_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env`, `path::PathBuf`
[INFO] [stdout]  --> src/build.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, path::PathBuf};
[INFO] [stdout]   |           ^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "7cb3fe63c0c57436ddfe544d3dd4676c575584877644d371e26799f19a2e8210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb3fe63c0c57436ddfe544d3dd4676c575584877644d371e26799f19a2e8210", kill_on_drop: false }`
[INFO] [stdout] 7cb3fe63c0c57436ddfe544d3dd4676c575584877644d371e26799f19a2e8210