[INFO] cloning repository https://github.com/zxey/coclasstest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxey/coclasstest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxey%2Fcoclasstest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxey%2Fcoclasstest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69a4f23e3b46ebb2f034aa2b1b8f5a143d1323ee
[INFO] testing zxey/coclasstest against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxey%2Fcoclasstest" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxey/coclasstest on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zxey/coclasstest
[INFO] finished tweaking git repo https://github.com/zxey/coclasstest
[INFO] tweaked toml for git repo https://github.com/zxey/coclasstest written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/zxey/coclasstest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b52691e15375195c59dc9c107ab0f89f296945431afa9406027f2733587a4be7
[INFO] running `Command { std: "docker" "start" "-a" "b52691e15375195c59dc9c107ab0f89f296945431afa9406027f2733587a4be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b52691e15375195c59dc9c107ab0f89f296945431afa9406027f2733587a4be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52691e15375195c59dc9c107ab0f89f296945431afa9406027f2733587a4be7", kill_on_drop: false }`
[INFO] [stdout] b52691e15375195c59dc9c107ab0f89f296945431afa9406027f2733587a4be7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05bccb63aa8b88377060e678d3cb22824dc90cf3d8d9c70fa37b19d0fda77dd9
[INFO] running `Command { std: "docker" "start" "-a" "05bccb63aa8b88377060e678d3cb22824dc90cf3d8d9c70fa37b19d0fda77dd9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling winapi v0.3.8
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling com_macros_support v0.1.0 (https://github.com/microsoft/com-rs.git#25851eed)
[INFO] [stderr]    Compiling com_macros v0.1.0 (https://github.com/microsoft/com-rs.git#25851eed)
[INFO] [stderr]    Compiling com v0.1.0 (https://github.com/microsoft/com-rs.git#25851eed)
[INFO] [stderr]    Compiling coclasstest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,` or `}`, found `field2`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Test {
[INFO] [stdout]   |        ---- while parsing this struct
[INFO] [stdout] 6 |     field1: u32,
[INFO] [stdout]   |           - expected one of `,` or `}`
[INFO] [stdout] 7 |     field2: u32
[INFO] [stdout]   |     ^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing fields `field1` and `field2` in initializer of `Test`
[INFO] [stdout]  --> src/main.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Test {
[INFO] [stdout]   |        ^^^^ missing `field1` and `field2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coclasstest` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "05bccb63aa8b88377060e678d3cb22824dc90cf3d8d9c70fa37b19d0fda77dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bccb63aa8b88377060e678d3cb22824dc90cf3d8d9c70fa37b19d0fda77dd9", kill_on_drop: false }`
[INFO] [stdout] 05bccb63aa8b88377060e678d3cb22824dc90cf3d8d9c70fa37b19d0fda77dd9