[INFO] crate common_failures 0.1.1 is already in cache
[INFO] extracting crate common_failures 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/common_failures/0.1.1
[INFO] extracting crate common_failures 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/common_failures/0.1.1
[INFO] validating manifest of common_failures-0.1.1 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 common_failures-0.1.1 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 common_failures-0.1.1
[INFO] finished frobbing common_failures-0.1.1
[INFO] frobbed toml for common_failures-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/common_failures/0.1.1/Cargo.toml
[INFO] started frobbing common_failures-0.1.1
[INFO] finished frobbing common_failures-0.1.1
[INFO] frobbed toml for common_failures-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/common_failures/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing common_failures-0.1.1 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-3/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/common_failures/0.1.1:/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=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] 474c9a1b95afa40e33a085d859a220df73e9fe0f96368560307e33b7b3e582a8
[INFO] running `"docker" "start" "-a" "474c9a1b95afa40e33a085d859a220df73e9fe0f96368560307e33b7b3e582a8"`
[INFO] [stderr]    Compiling common_failures v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/display.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for cause in self.err.causes() {
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "474c9a1b95afa40e33a085d859a220df73e9fe0f96368560307e33b7b3e582a8"`
[INFO] running `"docker" "rm" "-f" "474c9a1b95afa40e33a085d859a220df73e9fe0f96368560307e33b7b3e582a8"`
[INFO] [stdout] 474c9a1b95afa40e33a085d859a220df73e9fe0f96368560307e33b7b3e582a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/common_failures/0.1.1:/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=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] e10bd3c3f445214c151a5b19417908cbf024e1870583d91ad1fc132d20eca352
[INFO] running `"docker" "start" "-a" "e10bd3c3f445214c151a5b19417908cbf024e1870583d91ad1fc132d20eca352"`
[INFO] [stderr]    Compiling common_failures v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'failure::Error::causes': please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/display.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for cause in self.err.causes() {
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "e10bd3c3f445214c151a5b19417908cbf024e1870583d91ad1fc132d20eca352"`
[INFO] running `"docker" "rm" "-f" "e10bd3c3f445214c151a5b19417908cbf024e1870583d91ad1fc132d20eca352"`
[INFO] [stdout] e10bd3c3f445214c151a5b19417908cbf024e1870583d91ad1fc132d20eca352
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/common_failures/0.1.1:/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=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] aa7a9bb48f21ba69db3c257b5bfb3d4ca6ab5e8c8f3049914ded8ba50875b3e8
[INFO] running `"docker" "start" "-a" "aa7a9bb48f21ba69db3c257b5bfb3d4ca6ab5e8c8f3049914ded8ba50875b3e8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/common_failures-fb30f89e9be26c71
[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 common_failures
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/io.rs - io::IoContextExt::io_context (line 119) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextErrorExt::io_read_context (line 236) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextExt::io_read_context (line 146) ... ok
[INFO] [stdout] test src/lib.rs -  (line 46) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextErrorExt::io_context (line 209) ... ok
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] test src/lib.rs -  (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "aa7a9bb48f21ba69db3c257b5bfb3d4ca6ab5e8c8f3049914ded8ba50875b3e8"`
[INFO] running `"docker" "rm" "-f" "aa7a9bb48f21ba69db3c257b5bfb3d4ca6ab5e8c8f3049914ded8ba50875b3e8"`
[INFO] [stdout] aa7a9bb48f21ba69db3c257b5bfb3d4ca6ab5e8c8f3049914ded8ba50875b3e8