[INFO] cloning repository https://github.com/kotokz/snowball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kotokz/snowball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotokz%2Fsnowball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotokz%2Fsnowball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dac0493dcaf0bd5981b81a3248c82e0176710c5
[INFO] checking kotokz/snowball against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotokz%2Fsnowball" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kotokz/snowball on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kotokz/snowball
[INFO] finished tweaking git repo https://github.com/kotokz/snowball
[INFO] tweaked toml for git repo https://github.com/kotokz/snowball written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/kotokz/snowball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quasi v0.4.0
[INFO] [stderr]   Downloaded serde_json v0.6.0
[INFO] [stderr]   Downloaded serde_macros v0.6.5
[INFO] [stderr]   Downloaded url v0.5.2
[INFO] [stderr]   Downloaded aster v0.9.3
[INFO] [stderr]   Downloaded clippy v0.0.35
[INFO] [stderr]   Downloaded serde v0.6.7
[INFO] [stderr]   Downloaded quasi_macros v0.3.12
[INFO] [stderr]   Downloaded aster v0.10.0
[INFO] [stderr]   Downloaded quasi_codegen v0.4.0
[INFO] [stderr]   Downloaded serde_codegen v0.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fde40ce755f9ff2269a09b1021e2e0febef33c4544dd82f69f98489df8e72a86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fde40ce755f9ff2269a09b1021e2e0febef33c4544dd82f69f98489df8e72a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde40ce755f9ff2269a09b1021e2e0febef33c4544dd82f69f98489df8e72a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde40ce755f9ff2269a09b1021e2e0febef33c4544dd82f69f98489df8e72a86", kill_on_drop: false }`
[INFO] [stdout] fde40ce755f9ff2269a09b1021e2e0febef33c4544dd82f69f98489df8e72a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2df31ab2cccbbfb0f196326a6ccb69afe7d5a44d7a5ca52db5ba487fde3aae9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d2df31ab2cccbbfb0f196326a6ccb69afe7d5a44d7a5ca52db5ba487fde3aae9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.4
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]    Compiling pkg-config v0.3.6
[INFO] [stderr]    Compiling gcc v0.3.21
[INFO] [stderr]     Checking rustc-serialize v0.3.16
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling aster v0.10.0
[INFO] [stderr]     Checking matches v0.1.2
[INFO] [stderr]     Checking lazy_static v0.1.15
[INFO] [stderr]    Compiling serde_codegen v0.6.8
[INFO] [stderr]    Compiling quasi v0.4.0
[INFO] [stderr]    Compiling aster v0.9.3
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.1
[INFO] [stderr]     Checking httparse v1.1.1
[INFO] [stderr]     Checking language-tags v0.2.0
[INFO] [stderr]    Compiling advapi32-sys v0.1.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.10.0/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quasi-0.4.0/src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aster`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/aster-0.9.3/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | 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] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.16/src/serialize.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[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 E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d2df31ab2cccbbfb0f196326a6ccb69afe7d5a44d7a5ca52db5ba487fde3aae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2df31ab2cccbbfb0f196326a6ccb69afe7d5a44d7a5ca52db5ba487fde3aae9", kill_on_drop: false }`
[INFO] [stdout] d2df31ab2cccbbfb0f196326a6ccb69afe7d5a44d7a5ca52db5ba487fde3aae9