[INFO] updating cached repository cheme/cv
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cheme/cv
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cheme/cv" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cheme/cv"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cheme/cv'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cheme/cv" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheme/cv"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheme/cv'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af4b67e2aa5d9aef9c3ab8a48be8b0d8b7e056c0
[INFO] sha for GitHub repo cheme/cv: af4b67e2aa5d9aef9c3ab8a48be8b0d8b7e056c0
[INFO] validating manifest of cheme/cv 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 cheme/cv 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 cheme/cv
[INFO] removed 0 missing examples
[INFO] finished frobbing cheme/cv
[INFO] frobbed toml for cheme/cv written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cheme/cv/Cargo.toml
[INFO] started frobbing cheme/cv
[INFO] removed 0 missing examples
[INFO] finished frobbing cheme/cv
[INFO] frobbed toml for cheme/cv written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheme/cv/Cargo.toml
[INFO] crate cheme/cv 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking cheme/cv against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cheme/cv:/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] 76fec55eec605cada8ae4e710d7a29f5bfd3644983964ffb838e2584f9574fee
[INFO] running `"docker" "start" "-a" "76fec55eec605cada8ae4e710d7a29f5bfd3644983964ffb838e2584f9574fee"`
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling getopts v0.2.15
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling lz4-sys v1.8.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]    Compiling rust-crypto v0.2.36 (https://github.com/cheme/rust-crypto.git#15e12c3a)
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking deflate v0.7.17
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking compress v0.1.2 (https://github.com/cheme/rust-compress.git#5c5c4640)
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33
[INFO] [stderr]      |
[INFO] [stderr] 978  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 982  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1033 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1034 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[INFO] [stderr]      |
[INFO] [stderr]      = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]      = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]      = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]    Compiling pulldown-cmark v0.0.8
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling skeptic v0.9.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling lz4 v1.22.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking cv v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]   --> src/main.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]    |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::repeat`
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::iter::repeat;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   CStr,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cursor`, `Write`
[INFO] [stderr]   --> src/main.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   Cursor,
[INFO] [stderr]    |   ^^^^^^
[INFO] [stderr] 32 |   Read,
[INFO] [stderr] 33 |   Write,
[INFO] [stderr]    |   ^^^^^
[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 `cv`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "76fec55eec605cada8ae4e710d7a29f5bfd3644983964ffb838e2584f9574fee"`
[INFO] running `"docker" "rm" "-f" "76fec55eec605cada8ae4e710d7a29f5bfd3644983964ffb838e2584f9574fee"`
[INFO] [stdout] 76fec55eec605cada8ae4e710d7a29f5bfd3644983964ffb838e2584f9574fee