[INFO] fetching crate phrase_smith 0.1.0...
[INFO] building phrase_smith-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate phrase_smith 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate phrase_smith 0.1.0
[INFO] finished tweaking crates.io crate phrase_smith 0.1.0
[INFO] tweaked toml for crates.io crate phrase_smith 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate phrase_smith 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate phrase_smith 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tinyrand v0.5.0
[INFO] [stderr]   Downloaded tinyrand-std v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c30dc672e1f6786b9834fd7d4db694a3cc3fa2a3b2046e4468ea8cfca8e49b4
[INFO] running `Command { std: "docker" "start" "-a" "8c30dc672e1f6786b9834fd7d4db694a3cc3fa2a3b2046e4468ea8cfca8e49b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c30dc672e1f6786b9834fd7d4db694a3cc3fa2a3b2046e4468ea8cfca8e49b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c30dc672e1f6786b9834fd7d4db694a3cc3fa2a3b2046e4468ea8cfca8e49b4", kill_on_drop: false }`
[INFO] [stdout] 8c30dc672e1f6786b9834fd7d4db694a3cc3fa2a3b2046e4468ea8cfca8e49b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a096ecc97ecd08b1ec9d66a3fe58244e518e4b40e1cd47c316c0347e4dd06894
[INFO] running `Command { std: "docker" "start" "-a" "a096ecc97ecd08b1ec9d66a3fe58244e518e4b40e1cd47c316c0347e4dd06894", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyrand v0.5.0
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tinyrand` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "a096ecc97ecd08b1ec9d66a3fe58244e518e4b40e1cd47c316c0347e4dd06894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a096ecc97ecd08b1ec9d66a3fe58244e518e4b40e1cd47c316c0347e4dd06894", kill_on_drop: false }`
[INFO] [stdout] a096ecc97ecd08b1ec9d66a3fe58244e518e4b40e1cd47c316c0347e4dd06894