[INFO] fetching crate phrase_smith 0.1.0...
[INFO] building phrase_smith-0.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate phrase_smith 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] removed /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate phrase_smith 0.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a09416921f644661358183d884e1f88edb1d2c33f546fef698b9ab631808f242
[INFO] running `Command { std: "docker" "start" "-a" "a09416921f644661358183d884e1f88edb1d2c33f546fef698b9ab631808f242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09416921f644661358183d884e1f88edb1d2c33f546fef698b9ab631808f242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09416921f644661358183d884e1f88edb1d2c33f546fef698b9ab631808f242", kill_on_drop: false }`
[INFO] [stdout] a09416921f644661358183d884e1f88edb1d2c33f546fef698b9ab631808f242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 449005f8214fa2f92e33fd056618c40e253c9d18b43aaba60405274dfd1ea64d
[INFO] running `Command { std: "docker" "start" "-a" "449005f8214fa2f92e33fd056618c40e253c9d18b43aaba60405274dfd1ea64d", 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/ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tinyrand` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "449005f8214fa2f92e33fd056618c40e253c9d18b43aaba60405274dfd1ea64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449005f8214fa2f92e33fd056618c40e253c9d18b43aaba60405274dfd1ea64d", kill_on_drop: false }`
[INFO] [stdout] 449005f8214fa2f92e33fd056618c40e253c9d18b43aaba60405274dfd1ea64d