[INFO] fetching crate sctw 1.1.0...
[INFO] testing sctw-1.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate sctw 1.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sctw 1.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libredox v0.1.3
[INFO] [stderr]   Downloaded confy v0.6.1
[INFO] [stderr]   Downloaded serde_derive v1.0.217
[INFO] [stderr]   Downloaded serde v1.0.217
[INFO] [stderr]   Downloaded unicode-ident v1.0.16
[INFO] [stderr]   Downloaded ron v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2360962fb04c0656255816a992b0349d2dbcb103160198885011d664aaa333dd
[INFO] running `Command { std: "docker" "start" "-a" "2360962fb04c0656255816a992b0349d2dbcb103160198885011d664aaa333dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2360962fb04c0656255816a992b0349d2dbcb103160198885011d664aaa333dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2360962fb04c0656255816a992b0349d2dbcb103160198885011d664aaa333dd", kill_on_drop: false }`
[INFO] [stdout] 2360962fb04c0656255816a992b0349d2dbcb103160198885011d664aaa333dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c688b37ad89e475665514034e908a5590e0e9f0ed3b2b53907b2466d98e2ed28
[INFO] running `Command { std: "docker" "start" "-a" "c688b37ad89e475665514034e908a5590e0e9f0ed3b2b53907b2466d98e2ed28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling base64 v0.21.7
[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 `unicode-ident` (lib) due to 1 previous error
[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/caccb4d0368bd918ef6668af8e13834d07040417
[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/caccb4d0368bd918ef6668af8e13834d07040417
[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/caccb4d0368bd918ef6668af8e13834d07040417
[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/caccb4d0368bd918ef6668af8e13834d07040417
[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/caccb4d0368bd918ef6668af8e13834d07040417
[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/caccb4d0368bd918ef6668af8e13834d07040417
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (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/caccb4d0368bd918ef6668af8e13834d07040417
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c688b37ad89e475665514034e908a5590e0e9f0ed3b2b53907b2466d98e2ed28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c688b37ad89e475665514034e908a5590e0e9f0ed3b2b53907b2466d98e2ed28", kill_on_drop: false }`
[INFO] [stdout] c688b37ad89e475665514034e908a5590e0e9f0ed3b2b53907b2466d98e2ed28