[INFO] fetching crate readonly 0.2.3...
[INFO] checking readonly-0.2.3 against try#2f3c33065a16f1030e8d2f90241df3b4bea01e77 for pr-106060
[INFO] extracting crate readonly 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate readonly 0.2.3 on toolchain 2f3c33065a16f1030e8d2f90241df3b4bea01e77
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate readonly 0.2.3
[INFO] finished tweaking crates.io crate readonly 0.2.3
[INFO] tweaked toml for crates.io crate readonly 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d72584f5e67171143f4c713c46a5bd86ed6156195bd6fba0389a36338d06b7d0
[INFO] running `Command { std: "docker" "start" "-a" "d72584f5e67171143f4c713c46a5bd86ed6156195bd6fba0389a36338d06b7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d72584f5e67171143f4c713c46a5bd86ed6156195bd6fba0389a36338d06b7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d72584f5e67171143f4c713c46a5bd86ed6156195bd6fba0389a36338d06b7d0", kill_on_drop: false }`
[INFO] [stdout] d72584f5e67171143f4c713c46a5bd86ed6156195bd6fba0389a36338d06b7d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:9db6adea6fe108e8475f2314ed6ea91319efc655499b550640da2809d69ffe6a" "/opt/rustwide/cargo-home/bin/cargo" "+2f3c33065a16f1030e8d2f90241df3b4bea01e77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ed5f3f6a4d424916a4c5c1ba28fe1bab1f02913f5dfa1d9e350ccd962711a65
[INFO] running `Command { std: "docker" "start" "-a" "3ed5f3f6a4d424916a4c5c1ba28fe1bab1f02913f5dfa1d9e350ccd962711a65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling serde v1.0.151
[INFO] [stderr]    Compiling serde_derive v1.0.151
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]    Compiling rustversion v1.0.11
[INFO] [stderr]    Compiling trybuild v1.0.73
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking dissimilar v1.0.5
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr] error: failed to run custom build command for `rustversion v1.0.11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rustversion-4dc4c688a6812e47/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build/build.rs
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: unexpected output from `rustc --version`: ""
[INFO] [stderr] 
[INFO] [stderr]   Please file an issue in https://github.com/dtolnay/rustversion
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3ed5f3f6a4d424916a4c5c1ba28fe1bab1f02913f5dfa1d9e350ccd962711a65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed5f3f6a4d424916a4c5c1ba28fe1bab1f02913f5dfa1d9e350ccd962711a65", kill_on_drop: false }`
[INFO] [stdout] 3ed5f3f6a4d424916a4c5c1ba28fe1bab1f02913f5dfa1d9e350ccd962711a65