[INFO] crate tc_core 0.3.0 is already in cache
[INFO] extracting crate tc_core 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tc_core/0.3.0
[INFO] extracting crate tc_core 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tc_core/0.3.0
[INFO] validating manifest of tc_core-0.3.0 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 tc_core-0.3.0 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 tc_core-0.3.0
[INFO] finished frobbing tc_core-0.3.0
[INFO] frobbed toml for tc_core-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tc_core/0.3.0/Cargo.toml
[INFO] started frobbing tc_core-0.3.0
[INFO] finished frobbing tc_core-0.3.0
[INFO] frobbed toml for tc_core-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tc_core/0.3.0/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 tc_core-0.3.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tc_core/0.3.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2e7c1b4460f7660adf377f40e27891d819c24a5e41684fafc742b13a3e4cedef
[INFO] running `"docker" "start" "-a" "2e7c1b4460f7660adf377f40e27891d819c24a5e41684fafc742b13a3e4cedef"`
[INFO] [stderr]    Compiling tc_core v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/docker.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub stdout: Box<Read>,
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[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/docker.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub stderr: Box<Read>,
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "2e7c1b4460f7660adf377f40e27891d819c24a5e41684fafc742b13a3e4cedef"`
[INFO] running `"docker" "rm" "-f" "2e7c1b4460f7660adf377f40e27891d819c24a5e41684fafc742b13a3e4cedef"`
[INFO] [stdout] 2e7c1b4460f7660adf377f40e27891d819c24a5e41684fafc742b13a3e4cedef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tc_core/0.3.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7569d147b36d0aa86f6336d90c6df06a0e720eca7ac4d95be30c92e672beddce
[INFO] running `"docker" "start" "-a" "7569d147b36d0aa86f6336d90c6df06a0e720eca7ac4d95be30c92e672beddce"`
[INFO] [stderr]    Compiling tc_core v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/docker.rs:43:21
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub stdout: Box<Read>,
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[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/docker.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub stderr: Box<Read>,
[INFO] [stderr]    |                     ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "7569d147b36d0aa86f6336d90c6df06a0e720eca7ac4d95be30c92e672beddce"`
[INFO] running `"docker" "rm" "-f" "7569d147b36d0aa86f6336d90c6df06a0e720eca7ac4d95be30c92e672beddce"`
[INFO] [stdout] 7569d147b36d0aa86f6336d90c6df06a0e720eca7ac4d95be30c92e672beddce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tc_core/0.3.0:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f9720990bf233a9bb433c7073641a192c7715d22ebcd7f13246d0cbd36cd23e2
[INFO] running `"docker" "start" "-a" "f9720990bf233a9bb433c7073641a192c7715d22ebcd7f13246d0cbd36cd23e2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tc_core-64fa9f97338b5cab
[INFO] [stderr]    Doc-tests tc_core
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test wait_for_message::tests::given_logs_when_line_contains_message_should_find_it ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/container.rs - container::Container (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f9720990bf233a9bb433c7073641a192c7715d22ebcd7f13246d0cbd36cd23e2"`
[INFO] running `"docker" "rm" "-f" "f9720990bf233a9bb433c7073641a192c7715d22ebcd7f13246d0cbd36cd23e2"`
[INFO] [stdout] f9720990bf233a9bb433c7073641a192c7715d22ebcd7f13246d0cbd36cd23e2