[INFO] fetching crate wf2 0.8.0-beta...
[INFO] extracting crate wf2 0.8.0-beta into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/wf2/0.8.0-beta
[INFO] extracting crate wf2 0.8.0-beta into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/wf2/0.8.0-beta
[INFO] validating manifest of wf2-0.8.0-beta on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wf2-0.8.0-beta on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wf2-0.8.0-beta
[INFO] finished frobbing wf2-0.8.0-beta
[INFO] frobbed toml for wf2-0.8.0-beta written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/wf2/0.8.0-beta/Cargo.toml
[INFO] started frobbing wf2-0.8.0-beta
[INFO] finished frobbing wf2-0.8.0-beta
[INFO] frobbed toml for wf2-0.8.0-beta written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/wf2/0.8.0-beta/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wf2_core v0.4.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wf2-0.8.0-beta against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-5/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/wf2/0.8.0-beta:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 50a60bc8d39718721af2a3804ca88e4fd7bac2ef29040b53e6d099519dd6d28a
[INFO] running `"docker" "start" "-a" "50a60bc8d39718721af2a3804ca88e4fd7bac2ef29040b53e6d099519dd6d28a"`
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking users v0.9.1
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]    Compiling from_file_derive v0.1.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking snailquote v0.2.0
[INFO] [stderr]     Checking from_file v0.1.3
[INFO] [stderr]     Checking wf2_core v0.4.0
[INFO] [stderr]     Checking wf2 v0.8.0-beta (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `with_args`
[INFO] [stderr]   --> src/cli_input.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn with_args(&mut self, args: Vec<&str>) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_args`
[INFO] [stderr]   --> src/cli_input.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn from_args(args: Vec<&str>) -> CLIInput {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `with_args`
[INFO] [stderr]   --> src/cli_input.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn with_args(&mut self, args: Vec<&str>) -> &mut Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `"docker" "inspect" "50a60bc8d39718721af2a3804ca88e4fd7bac2ef29040b53e6d099519dd6d28a"`
[INFO] running `"docker" "rm" "-f" "50a60bc8d39718721af2a3804ca88e4fd7bac2ef29040b53e6d099519dd6d28a"`
[INFO] [stdout] 50a60bc8d39718721af2a3804ca88e4fd7bac2ef29040b53e6d099519dd6d28a