[INFO] updating cached repository sah4ez/signer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sah4ez/signer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sah4ez/signer" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sah4ez/signer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sah4ez/signer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sah4ez/signer" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sah4ez/signer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sah4ez/signer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0aad81d88b82e34c0ca7e3701d1ded8cf220fc34
[INFO] sha for GitHub repo sah4ez/signer: 0aad81d88b82e34c0ca7e3701d1ded8cf220fc34
[INFO] validating manifest of sah4ez/signer on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sah4ez/signer on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sah4ez/signer
[INFO] finished frobbing sah4ez/signer
[INFO] frobbed toml for sah4ez/signer written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/sah4ez/signer/Cargo.toml
[INFO] started frobbing sah4ez/signer
[INFO] finished frobbing sah4ez/signer
[INFO] frobbed toml for sah4ez/signer written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sah4ez/signer/Cargo.toml
[INFO] crate sah4ez/signer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sah4ez/signer against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/sah4ez/signer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 900a5244c6522852dd2b4c1c0bfdbdeff2b8cfc58d9b56a633aedaccf7ee80a7
[INFO] running `"docker" "start" "-a" "900a5244c6522852dd2b4c1c0bfdbdeff2b8cfc58d9b56a633aedaccf7ee80a7"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking serde_json v1.0.37
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking bson v0.13.0
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking scan_fmt v0.1.3
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking notify v4.0.7
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[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 rocket_codegen v0.4.0
[INFO] [stderr]     Checking textnonce v0.6.4
[INFO] [stderr]     Checking mongodb v0.3.12
[INFO] [stderr]     Checking rocket v0.4.0
[INFO] [stderr] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stderr]  --> /opt/crater/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] running `"docker" "inspect" "900a5244c6522852dd2b4c1c0bfdbdeff2b8cfc58d9b56a633aedaccf7ee80a7"`
[INFO] running `"docker" "rm" "-f" "900a5244c6522852dd2b4c1c0bfdbdeff2b8cfc58d9b56a633aedaccf7ee80a7"`
[INFO] [stdout] 900a5244c6522852dd2b4c1c0bfdbdeff2b8cfc58d9b56a633aedaccf7ee80a7