[INFO] updating cached repository https://github.com/sah4ez/signer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0aad81d88b82e34c0ca7e3701d1ded8cf220fc34
[INFO] testing sah4ez/signer against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsah4ez%2Fsigner" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sah4ez/signer on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sah4ez/signer
[INFO] finished tweaking git repo https://github.com/sah4ez/signer
[INFO] tweaked toml for git repo https://github.com/sah4ez/signer written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sah4ez/signer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] adb281cb62f6e94127533e5a6bbb8377fe0ffebdadd390a20182b1dc85077267
[INFO] running `"docker" "start" "-a" "adb281cb62f6e94127533e5a6bbb8377fe0ffebdadd390a20182b1dc85077267"`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling try_from v0.2.2
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling data-encoding v2.1.2
[INFO] [stderr]    Compiling separator v0.3.1
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling semver v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling rocket_codegen v0.4.0
[INFO] [stderr]    Compiling rocket v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.6.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling md-5 v0.7.0
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling hmac v0.6.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling pbkdf2 v0.2.3
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling scan_fmt v0.1.3
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling hyper v0.10.15
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling notify v4.0.7
[INFO] [stderr]    Compiling cookie v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.37
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling bson v0.13.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling rocket_http v0.4.0
[INFO] [stderr]    Compiling textnonce v0.6.4
[INFO] [stderr]    Compiling mongodb v0.3.12
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket-0.4.0/src/fairing/ad_hoc.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::boxed::FnBox;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `rocket`.
[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 `"docker" "inspect" "adb281cb62f6e94127533e5a6bbb8377fe0ffebdadd390a20182b1dc85077267"`
[INFO] running `"docker" "rm" "-f" "adb281cb62f6e94127533e5a6bbb8377fe0ffebdadd390a20182b1dc85077267"`
[INFO] [stdout] adb281cb62f6e94127533e5a6bbb8377fe0ffebdadd390a20182b1dc85077267