[INFO] crate frequency-btreemap 1.0.0 is already in cache
[INFO] extracting crate frequency-btreemap 1.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/frequency-btreemap/1.0.0
[INFO] extracting crate frequency-btreemap 1.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frequency-btreemap/1.0.0
[INFO] validating manifest of frequency-btreemap-1.0.0 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 frequency-btreemap-1.0.0 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 frequency-btreemap-1.0.0
[INFO] removed path dependency frequency from frequency-btreemap-1.0.0
[INFO] finished frobbing frequency-btreemap-1.0.0
[INFO] frobbed toml for frequency-btreemap-1.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/frequency-btreemap/1.0.0/Cargo.toml
[INFO] started frobbing frequency-btreemap-1.0.0
[INFO] removed path dependency frequency from frequency-btreemap-1.0.0
[INFO] finished frobbing frequency-btreemap-1.0.0
[INFO] frobbed toml for frequency-btreemap-1.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/frequency-btreemap/1.0.0/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 frequency-btreemap-1.0.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frequency-btreemap/1.0.0:/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] a39496f0d388736e007e58b1a023937a5de6def05811599be7314acae83f340a
[INFO] running `"docker" "start" "-a" "a39496f0d388736e007e58b1a023937a5de6def05811599be7314acae83f340a"`
[INFO] [stderr]    Compiling frequency v1.0.1
[INFO] [stderr]    Compiling frequency-btreemap v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "a39496f0d388736e007e58b1a023937a5de6def05811599be7314acae83f340a"`
[INFO] running `"docker" "rm" "-f" "a39496f0d388736e007e58b1a023937a5de6def05811599be7314acae83f340a"`
[INFO] [stdout] a39496f0d388736e007e58b1a023937a5de6def05811599be7314acae83f340a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frequency-btreemap/1.0.0:/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] 8b4b9f659e3a37d40fb2b9b5d5f2c05d66f5da30dbe95e635e7ac83700753ff3
[INFO] running `"docker" "start" "-a" "8b4b9f659e3a37d40fb2b9b5d5f2c05d66f5da30dbe95e635e7ac83700753ff3"`
[INFO] [stderr]    Compiling frequency-btreemap v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "8b4b9f659e3a37d40fb2b9b5d5f2c05d66f5da30dbe95e635e7ac83700753ff3"`
[INFO] running `"docker" "rm" "-f" "8b4b9f659e3a37d40fb2b9b5d5f2c05d66f5da30dbe95e635e7ac83700753ff3"`
[INFO] [stdout] 8b4b9f659e3a37d40fb2b9b5d5f2c05d66f5da30dbe95e635e7ac83700753ff3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/frequency-btreemap/1.0.0:/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] cf2464418e750f2d7e8e6461c3e8853e75e0943680a0a4bb45f038f40c4ebcfa
[INFO] running `"docker" "start" "-a" "cf2464418e750f2d7e8e6461c3e8853e75e0943680a0a4bb45f038f40c4ebcfa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/frequency_btreemap-468f94baac87ca36
[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 frequency-btreemap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 8) stdout ----
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `frequency`
[INFO] [stdout]  --> src/lib.rs:10:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | [dependencies]
[INFO] [stdout]   |               - expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stdout] 4 | frequency = "^1.0.0"
[INFO] [stdout]   | ^^^^^^^^^ unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `dependencies` in this scope
[INFO] [stdout]  --> src/lib.rs:9:2
[INFO] [stdout]   |
[INFO] [stdout] 3 | [dependencies]
[INFO] [stdout]   |  ^^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "cf2464418e750f2d7e8e6461c3e8853e75e0943680a0a4bb45f038f40c4ebcfa"`
[INFO] running `"docker" "rm" "-f" "cf2464418e750f2d7e8e6461c3e8853e75e0943680a0a4bb45f038f40c4ebcfa"`
[INFO] [stdout] cf2464418e750f2d7e8e6461c3e8853e75e0943680a0a4bb45f038f40c4ebcfa