[INFO] cloning repository https://github.com/frroossst/maple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frroossst/maple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrroossst%2Fmaple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrroossst%2Fmaple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd531955fa4b9615b87363ad871378444e598655
[INFO] checking frroossst/maple/cd531955fa4b9615b87363ad871378444e598655 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrroossst%2Fmaple" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frroossst/maple on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/frroossst/maple
[INFO] finished tweaking git repo https://github.com/frroossst/maple
[INFO] tweaked toml for git repo https://github.com/frroossst/maple written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frroossst/maple 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5131055ab0464c139f83a375c0fc61606f4e428aaa3724f38921010a970ba9e3
[INFO] running `Command { std: "docker" "start" "-a" "5131055ab0464c139f83a375c0fc61606f4e428aaa3724f38921010a970ba9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5131055ab0464c139f83a375c0fc61606f4e428aaa3724f38921010a970ba9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5131055ab0464c139f83a375c0fc61606f4e428aaa3724f38921010a970ba9e3", kill_on_drop: false }`
[INFO] [stdout] 5131055ab0464c139f83a375c0fc61606f4e428aaa3724f38921010a970ba9e3
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85fda28e52f62a4281873f49ef5dc6449213dda22f004af256fb9724016d337a
[INFO] running `Command { std: "docker" "start" "-a" "85fda28e52f62a4281873f49ef5dc6449213dda22f004af256fb9724016d337a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stdout] error: failed to find a `codegen-backends` folder in the sysroot candidates:
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[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/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout]        * /opt/rustwide/rustup-home/toolchains/ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `stable_deref_trait` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `autocfg` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `unicode-ident` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `cfg-if` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `libc` (build script) due to 1 previous error
[INFO] [stderr] error: could not compile `version_check` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `bytes` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "85fda28e52f62a4281873f49ef5dc6449213dda22f004af256fb9724016d337a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85fda28e52f62a4281873f49ef5dc6449213dda22f004af256fb9724016d337a", kill_on_drop: false }`
[INFO] [stdout] 85fda28e52f62a4281873f49ef5dc6449213dda22f004af256fb9724016d337a