[INFO] cloning repository https://github.com/zzmp/serdwarf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zzmp/serdwarf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzmp%2Fserdwarf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzmp%2Fserdwarf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c2059934b858b93c4a3b6ef49c504fbb1bd097d
[INFO] checking zzmp/serdwarf against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzmp%2Fserdwarf" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzmp/serdwarf on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zzmp/serdwarf
[INFO] finished tweaking git repo https://github.com/zzmp/serdwarf
[INFO] tweaked toml for git repo https://github.com/zzmp/serdwarf written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/zzmp/serdwarf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfd9176e1f745543530087caa9822062fe6eb62cd2fc7a626c32e6a3eb64de2e
[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" "dfd9176e1f745543530087caa9822062fe6eb62cd2fc7a626c32e6a3eb64de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfd9176e1f745543530087caa9822062fe6eb62cd2fc7a626c32e6a3eb64de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd9176e1f745543530087caa9822062fe6eb62cd2fc7a626c32e6a3eb64de2e", kill_on_drop: false }`
[INFO] [stdout] dfd9176e1f745543530087caa9822062fe6eb62cd2fc7a626c32e6a3eb64de2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576aa6b8ea497d475f914025692d54ccac2e0def5326dcbeb59c00fa247d925c
[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" "576aa6b8ea497d475f914025692d54ccac2e0def5326dcbeb59c00fa247d925c", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking fallible-iterator v0.1.3
[INFO] [stderr]     Checking leb128 v0.2.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]     Checking xmas-elf v0.4.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[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 E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "576aa6b8ea497d475f914025692d54ccac2e0def5326dcbeb59c00fa247d925c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576aa6b8ea497d475f914025692d54ccac2e0def5326dcbeb59c00fa247d925c", kill_on_drop: false }`
[INFO] [stdout] 576aa6b8ea497d475f914025692d54ccac2e0def5326dcbeb59c00fa247d925c