[INFO] updating cached repository crepererum/peter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/crepererum/peter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/crepererum/peter" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/crepererum/peter"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/crepererum/peter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/crepererum/peter" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/crepererum/peter"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/crepererum/peter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 645d49ff37ac0e3f35a12a0546f08e264f7a51df
[INFO] sha for GitHub repo crepererum/peter: 645d49ff37ac0e3f35a12a0546f08e264f7a51df
[INFO] validating manifest of crepererum/peter on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of crepererum/peter on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing crepererum/peter
[INFO] finished frobbing crepererum/peter
[INFO] frobbed toml for crepererum/peter written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/crepererum/peter/Cargo.toml
[INFO] started frobbing crepererum/peter
[INFO] finished frobbing crepererum/peter
[INFO] frobbed toml for crepererum/peter written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/crepererum/peter/Cargo.toml
[INFO] crate crepererum/peter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking crepererum/peter against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/crepererum/peter:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1cebaf946bb9c43751ec723a7d1a96e51dc3637e0101d79291620c3947d8a07
[INFO] running `"docker" "start" "-a" "a1cebaf946bb9c43751ec723a7d1a96e51dc3637e0101d79291620c3947d8a07"`
[INFO] [stderr]    Compiling subtle v0.6.3
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling rand v0.5.0-pre.2
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking regex v1.0.1
[INFO] [stderr]    Compiling snow v0.2.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling digest v0.7.4
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling curve25519-dalek v0.17.0
[INFO] [stderr]     Checking env_logger v0.5.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking x25519-dalek v0.2.0
[INFO] [stderr]     Checking clap-verbosity-flag v0.1.0
[INFO] [stderr]     Checking quicli v0.3.0
[INFO] [stderr]     Checking peter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ioutils.rs:113:50
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn open_reader(fname: &String) -> Result<Box<Read>, Error> {
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ioutils.rs:123:50
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub fn open_writer(fname: &String) -> Result<Box<Write>, Error> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ioutils.rs:113:50
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub fn open_reader(fname: &String) -> Result<Box<Read>, Error> {
[INFO] [stderr]     |                                                  ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ioutils.rs:123:50
[INFO] [stderr]     |
[INFO] [stderr] 123 | pub fn open_writer(fname: &String) -> Result<Box<Write>, Error> {
[INFO] [stderr]     |                                                  ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.17s
[INFO] running `"docker" "inspect" "a1cebaf946bb9c43751ec723a7d1a96e51dc3637e0101d79291620c3947d8a07"`
[INFO] running `"docker" "rm" "-f" "a1cebaf946bb9c43751ec723a7d1a96e51dc3637e0101d79291620c3947d8a07"`
[INFO] [stdout] a1cebaf946bb9c43751ec723a7d1a96e51dc3637e0101d79291620c3947d8a07