[INFO] cloning repository https://github.com/1011X/emily-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1011X/emily-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1011X%2Femily-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1011X%2Femily-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f442c17247e6039ddbe88b26072f60bf3cf0276
[INFO] testing 1011X/emily-rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1011X%2Femily-rust" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1011X/emily-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1011X/emily-rust
[INFO] finished tweaking git repo https://github.com/1011X/emily-rust
[INFO] tweaked toml for git repo https://github.com/1011X/emily-rust written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/1011X/emily-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2880ba5862c3c0cc8426ab6f9e061817574dd8c462432abfb6cfbb85ccebf5c
[INFO] running `Command { std: "docker" "start" "-a" "b2880ba5862c3c0cc8426ab6f9e061817574dd8c462432abfb6cfbb85ccebf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2880ba5862c3c0cc8426ab6f9e061817574dd8c462432abfb6cfbb85ccebf5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2880ba5862c3c0cc8426ab6f9e061817574dd8c462432abfb6cfbb85ccebf5c", kill_on_drop: false }`
[INFO] [stdout] b2880ba5862c3c0cc8426ab6f9e061817574dd8c462432abfb6cfbb85ccebf5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b63c5d28be67fc25a88e3c86b2d13cd4b35009b932cbc120845bdaef01b42f6
[INFO] running `Command { std: "docker" "start" "-a" "0b63c5d28be67fc25a88e3c86b2d13cd4b35009b932cbc120845bdaef01b42f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling emily-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `@`, `]`, or `|`, found `..`
[INFO] [stdout]    --> src/pretty.rs:288:18
[INFO] [stdout]     |
[INFO] [stdout] 288 |         [ref toks..] => format!("[{}; ...]", toks.join("; ")),
[INFO] [stdout]     |                  ^^ expected one of `,`, `@`, `]`, or `|`
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to bind the contents of the rest of the array pattern into `toks`, use `@`
[INFO] [stdout]     |
[INFO] [stdout] 288 |         [ref toks @ ..] => format!("[{}; ...]", toks.join("; ")),
[INFO] [stdout]     |                   +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emily-rust` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0b63c5d28be67fc25a88e3c86b2d13cd4b35009b932cbc120845bdaef01b42f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b63c5d28be67fc25a88e3c86b2d13cd4b35009b932cbc120845bdaef01b42f6", kill_on_drop: false }`
[INFO] [stdout] 0b63c5d28be67fc25a88e3c86b2d13cd4b35009b932cbc120845bdaef01b42f6