[INFO] fetching crate libmount 0.1.13...
[INFO] extracting crate libmount 0.1.13 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/libmount/0.1.13
[INFO] extracting crate libmount 0.1.13 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/libmount/0.1.13
[INFO] validating manifest of libmount-0.1.13 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 libmount-0.1.13 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 libmount-0.1.13
[INFO] finished frobbing libmount-0.1.13
[INFO] frobbed toml for libmount-0.1.13 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/libmount/0.1.13/Cargo.toml
[INFO] started frobbing libmount-0.1.13
[INFO] finished frobbing libmount-0.1.13
[INFO] frobbed toml for libmount-0.1.13 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/libmount/0.1.13/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking libmount-0.1.13 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/libmount/0.1.13:/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] 4b8003b7466bdc613a065d1f7b1af831e15098d557a3a09c83352089844e9569
[INFO] running `"docker" "start" "-a" "4b8003b7466bdc613a065d1f7b1af831e15098d557a3a09c83352089844e9569"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libmount v0.1.13 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/error.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:78:36
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct OSError(MountError, Box<Explainable>);
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:81:45
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn from_io(err: io::Error, explain: Box<Explainable>) -> OSError {
[INFO] [stderr]    |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:53
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn from_remount(err: RemountError, explain: Box<Explainable>) -> OSError {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub struct Error(Box<Explainable>, io::Error, String);
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/error.rs:50:32
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:78:36
[INFO] [stderr]    |
[INFO] [stderr] 78 | pub struct OSError(MountError, Box<Explainable>);
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:81:45
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn from_io(err: io::Error, explain: Box<Explainable>) -> OSError {
[INFO] [stderr]    |                                             ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:85:53
[INFO] [stderr]    |
[INFO] [stderr] 85 |     fn from_remount(err: RemountError, explain: Box<Explainable>) -> OSError {
[INFO] [stderr]    |                                                     ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:96:22
[INFO] [stderr]    |
[INFO] [stderr] 96 | pub struct Error(Box<Explainable>, io::Error, String);
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: use `dyn`: `dyn Explainable`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "4b8003b7466bdc613a065d1f7b1af831e15098d557a3a09c83352089844e9569"`
[INFO] running `"docker" "rm" "-f" "4b8003b7466bdc613a065d1f7b1af831e15098d557a3a09c83352089844e9569"`
[INFO] [stdout] 4b8003b7466bdc613a065d1f7b1af831e15098d557a3a09c83352089844e9569