[INFO] crate persistent-time 0.1.0 is already in cache
[INFO] extracting crate persistent-time 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/persistent-time/0.1.0
[INFO] extracting crate persistent-time 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/persistent-time/0.1.0
[INFO] validating manifest of persistent-time-0.1.0 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 persistent-time-0.1.0 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 persistent-time-0.1.0
[INFO] finished frobbing persistent-time-0.1.0
[INFO] frobbed toml for persistent-time-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/persistent-time/0.1.0/Cargo.toml
[INFO] started frobbing persistent-time-0.1.0
[INFO] finished frobbing persistent-time-0.1.0
[INFO] frobbed toml for persistent-time-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/persistent-time/0.1.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing persistent-time-0.1.0 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-4/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/persistent-time/0.1.0:/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] 80c16c56a2ecedfdef967f8e4ab6f6eaacedfc3bdcc8d4c13f7bb65efea5ac17
[INFO] running `"docker" "start" "-a" "80c16c56a2ecedfdef967f8e4ab6f6eaacedfc3bdcc8d4c13f7bb65efea5ac17"`
[INFO] [stderr]    Compiling phf_shared v0.7.15
[INFO] [stderr]    Compiling serde v0.7.15
[INFO] [stderr]    Compiling redis v0.6.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling phf v0.7.15
[INFO] [stderr]    Compiling postgres v0.11.12
[INFO] [stderr]    Compiling bincode v0.5.9
[INFO] [stderr]    Compiling persistent-time v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:33
[INFO] [stderr]    |
[INFO] [stderr] 79 |                       out: &mut Write,
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:34
[INFO] [stderr]    |
[INFO] [stderr] 69 |                                  mut w: &mut W,
[INFO] [stderr]    |                                  ----^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.37s
[INFO] running `"docker" "inspect" "80c16c56a2ecedfdef967f8e4ab6f6eaacedfc3bdcc8d4c13f7bb65efea5ac17"`
[INFO] running `"docker" "rm" "-f" "80c16c56a2ecedfdef967f8e4ab6f6eaacedfc3bdcc8d4c13f7bb65efea5ac17"`
[INFO] [stdout] 80c16c56a2ecedfdef967f8e4ab6f6eaacedfc3bdcc8d4c13f7bb65efea5ac17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/persistent-time/0.1.0:/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] 7907c5138ca9cf1635709e54c99766d7a4d8e5ccdae554549f2e0e76daadbef6
[INFO] running `"docker" "start" "-a" "7907c5138ca9cf1635709e54c99766d7a4d8e5ccdae554549f2e0e76daadbef6"`
[INFO] [stderr]    Compiling persistent-time v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:79:33
[INFO] [stderr]    |
[INFO] [stderr] 79 |                       out: &mut Write,
[INFO] [stderr]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:69:34
[INFO] [stderr]    |
[INFO] [stderr] 69 |                                  mut w: &mut W,
[INFO] [stderr]    |                                  ----^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "7907c5138ca9cf1635709e54c99766d7a4d8e5ccdae554549f2e0e76daadbef6"`
[INFO] running `"docker" "rm" "-f" "7907c5138ca9cf1635709e54c99766d7a4d8e5ccdae554549f2e0e76daadbef6"`
[INFO] [stdout] 7907c5138ca9cf1635709e54c99766d7a4d8e5ccdae554549f2e0e76daadbef6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/persistent-time/0.1.0:/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] 633658bf342a5d197a506ea804df9599d2b1cc264cfa22a606206bcb848835eb
[INFO] running `"docker" "start" "-a" "633658bf342a5d197a506ea804df9599d2b1cc264cfa22a606206bcb848835eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/persistent_time-2872673f693d77e0
[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 persistent-time
[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" "633658bf342a5d197a506ea804df9599d2b1cc264cfa22a606206bcb848835eb"`
[INFO] running `"docker" "rm" "-f" "633658bf342a5d197a506ea804df9599d2b1cc264cfa22a606206bcb848835eb"`
[INFO] [stdout] 633658bf342a5d197a506ea804df9599d2b1cc264cfa22a606206bcb848835eb