[INFO] fetching crate try_match 0.2.2...
[INFO] checking try_match-0.2.2 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate try_match 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate try_match 0.2.2 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try_match 0.2.2
[INFO] finished tweaking crates.io crate try_match 0.2.2
[INFO] tweaked toml for crates.io crate try_match 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 114c12e2b0256040721fdf03c74cc624acc3136475a728a78383dd53b1d1020f
[INFO] running `Command { std: "docker" "start" "-a" "114c12e2b0256040721fdf03c74cc624acc3136475a728a78383dd53b1d1020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114c12e2b0256040721fdf03c74cc624acc3136475a728a78383dd53b1d1020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114c12e2b0256040721fdf03c74cc624acc3136475a728a78383dd53b1d1020f", kill_on_drop: false }`
[INFO] [stdout] 114c12e2b0256040721fdf03c74cc624acc3136475a728a78383dd53b1d1020f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8bafdcf53bb04056de73023058e2b8328efb59a3c2f738b380f8568776f273a7
[INFO] running `Command { std: "docker" "start" "-a" "8bafdcf53bb04056de73023058e2b8328efb59a3c2f738b380f8568776f273a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling try_match_inner v0.2.0
[INFO] [stderr]     Checking try_match v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/test.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     assert_eq!(try_match!(Some(a) = Some(42)), Ok(42));
[INFO] [stdout]    |                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/test.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     assert_eq!(try_match!(Some(a) = None::<u32>), Err(None));
[INFO] [stdout]    |                               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_match`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8bafdcf53bb04056de73023058e2b8328efb59a3c2f738b380f8568776f273a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bafdcf53bb04056de73023058e2b8328efb59a3c2f738b380f8568776f273a7", kill_on_drop: false }`
[INFO] [stdout] 8bafdcf53bb04056de73023058e2b8328efb59a3c2f738b380f8568776f273a7