[INFO] crate fw 2.0.1 is already in cache
[INFO] extracting crate fw 2.0.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/fw/2.0.1
[INFO] extracting crate fw 2.0.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/fw/2.0.1
[INFO] validating manifest of fw-2.0.1 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 fw-2.0.1 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 fw-2.0.1
[INFO] finished frobbing fw-2.0.1
[INFO] frobbed toml for fw-2.0.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/fw/2.0.1/Cargo.toml
[INFO] started frobbing fw-2.0.1
[INFO] finished frobbing fw-2.0.1
[INFO] frobbed toml for fw-2.0.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/fw/2.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 fw-2.0.1 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/reg/fw/2.0.1:/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] 746ccadc3cf6377e317ca3f0a1ae8ddf32b8f74f2a1afff707f28d75c9dec6a7
[INFO] running `"docker" "start" "-a" "746ccadc3cf6377e317ca3f0a1ae8ddf32b8f74f2a1afff707f28d75c9dec6a7"`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.8.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking ct-logs v0.5.1
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking trackable v0.2.22
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]     Checking sloggers v0.3.2
[INFO] [stderr]     Checking tokio-rustls v0.9.3
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hyper-rustls v0.16.1
[INFO] [stderr]     Checking reqwest v0.9.19
[INFO] [stderr]     Checking gitlab v0.1104.1
[INFO] [stderr]     Checking git2 v0.9.2
[INFO] [stderr]     Checking fw v2.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors/mod.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[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/errors/mod.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |   fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.03s
[INFO] running `"docker" "inspect" "746ccadc3cf6377e317ca3f0a1ae8ddf32b8f74f2a1afff707f28d75c9dec6a7"`
[INFO] running `"docker" "rm" "-f" "746ccadc3cf6377e317ca3f0a1ae8ddf32b8f74f2a1afff707f28d75c9dec6a7"`
[INFO] [stdout] 746ccadc3cf6377e317ca3f0a1ae8ddf32b8f74f2a1afff707f28d75c9dec6a7