[INFO] cloning repository https://github.com/roblabla/cargo-custom-target-stale-cache-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roblabla/cargo-custom-target-stale-cache-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fcargo-custom-target-stale-cache-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fcargo-custom-target-stale-cache-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bf53ae3f0974f6843aa0356f6fdf05b715bd90d
[INFO] testing roblabla/cargo-custom-target-stale-cache-repro against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Fcargo-custom-target-stale-cache-repro" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roblabla/cargo-custom-target-stale-cache-repro on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roblabla/cargo-custom-target-stale-cache-repro
[INFO] finished tweaking git repo https://github.com/roblabla/cargo-custom-target-stale-cache-repro
[INFO] tweaked toml for git repo https://github.com/roblabla/cargo-custom-target-stale-cache-repro written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/roblabla/cargo-custom-target-stale-cache-repro 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8fbabd7392492b58e869c97fccb5da939f0f6fc2aa5a129d4a9aef4d168536a2
[INFO] running `Command { std: "docker" "start" "-a" "8fbabd7392492b58e869c97fccb5da939f0f6fc2aa5a129d4a9aef4d168536a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fbabd7392492b58e869c97fccb5da939f0f6fc2aa5a129d4a9aef4d168536a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fbabd7392492b58e869c97fccb5da939f0f6fc2aa5a129d4a9aef4d168536a2", kill_on_drop: false }`
[INFO] [stdout] 8fbabd7392492b58e869c97fccb5da939f0f6fc2aa5a129d4a9aef4d168536a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872f6d1058eae3b8472ab8a25693eef536b30dc4531a880f47273f8e836c5822
[INFO] running `Command { std: "docker" "start" "-a" "872f6d1058eae3b8472ab8a25693eef536b30dc4531a880f47273f8e836c5822", kill_on_drop: false }`
[INFO] [stderr]    Compiling no_std_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `no_std_test` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "872f6d1058eae3b8472ab8a25693eef536b30dc4531a880f47273f8e836c5822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872f6d1058eae3b8472ab8a25693eef536b30dc4531a880f47273f8e836c5822", kill_on_drop: false }`
[INFO] [stdout] 872f6d1058eae3b8472ab8a25693eef536b30dc4531a880f47273f8e836c5822