[INFO] crate mount 0.4.0 is already in cache
[INFO] extracting crate mount 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/mount/0.4.0
[INFO] extracting crate mount 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mount/0.4.0
[INFO] validating manifest of mount-0.4.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mount-0.4.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mount-0.4.0
[INFO] finished frobbing mount-0.4.0
[INFO] frobbed toml for mount-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mount/0.4.0/Cargo.toml
[INFO] started frobbing mount-0.4.0
[INFO] finished frobbing mount-0.4.0
[INFO] frobbed toml for mount-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mount/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mount-0.4.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mount/0.4.0:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 684baa91b5650a3029678d26e2a9e304d99c496e5162d5844ef12abd97e201e9
[INFO] running `"docker" "start" "-a" "684baa91b5650a3029678d26e2a9e304d99c496e5162d5844ef12abd97e201e9"`
[INFO] [stderr]    Compiling sequence_trie v0.3.6
[INFO] [stderr]    Compiling mount v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[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/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "684baa91b5650a3029678d26e2a9e304d99c496e5162d5844ef12abd97e201e9"`
[INFO] running `"docker" "rm" "-f" "684baa91b5650a3029678d26e2a9e304d99c496e5162d5844ef12abd97e201e9"`
[INFO] [stdout] 684baa91b5650a3029678d26e2a9e304d99c496e5162d5844ef12abd97e201e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mount/0.4.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 671139abbcea9dd93e75f17e3219a5b705c59357c0e16bddb58d6848b6540736
[INFO] running `"docker" "start" "-a" "671139abbcea9dd93e75f17e3219a5b705c59357c0e16bddb58d6848b6540736"`
[INFO] [stderr]    Compiling mount v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |     handler: Box<Handler>,
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:3:24
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]    |                        ^^^^^^^^
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mount.rs:75:47
[INFO] [stderr]    |
[INFO] [stderr] 75 |             handler: Box::new(handler) as Box<Handler>,
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Handler`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `"docker" "inspect" "671139abbcea9dd93e75f17e3219a5b705c59357c0e16bddb58d6848b6540736"`
[INFO] running `"docker" "rm" "-f" "671139abbcea9dd93e75f17e3219a5b705c59357c0e16bddb58d6848b6540736"`
[INFO] [stdout] 671139abbcea9dd93e75f17e3219a5b705c59357c0e16bddb58d6848b6540736
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mount/0.4.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e576b756dfc28410e9f9a21a282115de939e5678d54cbaa51a7703e3da605c09
[INFO] running `"docker" "start" "-a" "e576b756dfc28410e9f9a21a282115de939e5678d54cbaa51a7703e3da605c09"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mount-ad628e454dfe4321
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mount
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e576b756dfc28410e9f9a21a282115de939e5678d54cbaa51a7703e3da605c09"`
[INFO] running `"docker" "rm" "-f" "e576b756dfc28410e9f9a21a282115de939e5678d54cbaa51a7703e3da605c09"`
[INFO] [stdout] e576b756dfc28410e9f9a21a282115de939e5678d54cbaa51a7703e3da605c09