[INFO] cloning repository https://github.com/jkcclemens/rusty_alfred
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcclemens/rusty_alfred" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Frusty_alfred", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Frusty_alfred'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 084ab1e8c3260627133567ba1f3331112c944f2d
[INFO] testing jkcclemens/rusty_alfred against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcclemens%2Frusty_alfred" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcclemens/rusty_alfred on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkcclemens/rusty_alfred
[INFO] finished tweaking git repo https://github.com/jkcclemens/rusty_alfred
[INFO] tweaked toml for git repo https://github.com/jkcclemens/rusty_alfred written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcclemens/rusty_alfred already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.9.2
[INFO] [stderr]   Downloaded dtoa v0.2.2
[INFO] [stderr]   Downloaded itoa v0.1.1
[INFO] [stderr]   Downloaded gcc v0.3.38
[INFO] [stderr]   Downloaded serde_derive v0.8.17
[INFO] [stderr]   Downloaded serde_codegen v0.8.17
[INFO] [stderr]   Downloaded quote v0.3.5
[INFO] [stderr]   Downloaded error-chain v0.5.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.2
[INFO] [stderr]   Downloaded serde_json v0.8.3
[INFO] [stderr]   Downloaded serde_codegen_internals v0.10.0
[INFO] [stderr]   Downloaded serde v0.8.17
[INFO] [stderr]   Downloaded post-expansion v0.1.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cb4cce2d0d00430ebb35a96802dd78c3d0bb3d58835c1f780928084bd14fc60
[INFO] running `Command { std: "docker" "start" "-a" "0cb4cce2d0d00430ebb35a96802dd78c3d0bb3d58835c1f780928084bd14fc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cb4cce2d0d00430ebb35a96802dd78c3d0bb3d58835c1f780928084bd14fc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cb4cce2d0d00430ebb35a96802dd78c3d0bb3d58835c1f780928084bd14fc60", kill_on_drop: false }`
[INFO] [stdout] 0cb4cce2d0d00430ebb35a96802dd78c3d0bb3d58835c1f780928084bd14fc60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d119ec8c946db5051400ea5f6685f15e145e7cd3347ebc1d1d18e583eb041df5
[INFO] running `Command { std: "docker" "start" "-a" "d119ec8c946db5051400ea5f6685f15e145e7cd3347ebc1d1d18e583eb041df5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling quote v0.3.5
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling serde v0.8.17
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]    Compiling post-expansion v0.1.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]    Compiling serde_json v0.8.3
[INFO] [stderr]    Compiling serde_codegen v0.8.17
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_codegen-0.8.17/src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_codegen` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d119ec8c946db5051400ea5f6685f15e145e7cd3347ebc1d1d18e583eb041df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d119ec8c946db5051400ea5f6685f15e145e7cd3347ebc1d1d18e583eb041df5", kill_on_drop: false }`
[INFO] [stdout] d119ec8c946db5051400ea5f6685f15e145e7cd3347ebc1d1d18e583eb041df5