[INFO] fetching crate sctw 1.1.0...
[INFO] building sctw-1.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate sctw 1.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate sctw 1.1.0
[INFO] finished tweaking crates.io crate sctw 1.1.0
[INFO] tweaked toml for crates.io crate sctw 1.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sctw 1.1.0 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 sctw 1.1.0 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 ron v0.8.1
[INFO] [stderr]   Downloaded directories v5.0.1
[INFO] [stderr]   Downloaded confy v0.6.1
[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] f37d48c84957d3219c57958376f86366760c4fae87842e0f2e67d42e64b9e6ae
[INFO] running `Command { std: "docker" "start" "-a" "f37d48c84957d3219c57958376f86366760c4fae87842e0f2e67d42e64b9e6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f37d48c84957d3219c57958376f86366760c4fae87842e0f2e67d42e64b9e6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f37d48c84957d3219c57958376f86366760c4fae87842e0f2e67d42e64b9e6ae", kill_on_drop: false }`
[INFO] [stdout] f37d48c84957d3219c57958376f86366760c4fae87842e0f2e67d42e64b9e6ae
[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] 13057ba1aa0e73106731243f5f2e2310a18f2b3afe3f9633a2fb61c476e1acb1
[INFO] running `Command { std: "docker" "start" "-a" "13057ba1aa0e73106731243f5f2e2310a18f2b3afe3f9633a2fb61c476e1acb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling base64 v0.21.7
[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] [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] [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 `base64` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `thiserror` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `option-ext` (lib) due to 1 previous error
[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 `serde` (build script) due to 1 previous error
[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] [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 `libc` (build script) due to 1 previous error
[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 `unicode-ident` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `proc-macro2` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "13057ba1aa0e73106731243f5f2e2310a18f2b3afe3f9633a2fb61c476e1acb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13057ba1aa0e73106731243f5f2e2310a18f2b3afe3f9633a2fb61c476e1acb1", kill_on_drop: false }`
[INFO] [stdout] 13057ba1aa0e73106731243f5f2e2310a18f2b3afe3f9633a2fb61c476e1acb1