[INFO] crate serde_with 0.2.5 is already in cache
[INFO] extracting crate serde_with 0.2.5 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/serde_with/0.2.5
[INFO] extracting crate serde_with 0.2.5 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_with/0.2.5
[INFO] validating manifest of serde_with-0.2.5 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of serde_with-0.2.5 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing serde_with-0.2.5
[INFO] finished frobbing serde_with-0.2.5
[INFO] frobbed toml for serde_with-0.2.5 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/serde_with/0.2.5/Cargo.toml
[INFO] started frobbing serde_with-0.2.5
[INFO] finished frobbing serde_with-0.2.5
[INFO] frobbed toml for serde_with-0.2.5 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_with/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing serde_with-0.2.5 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_with/0.2.5:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] a2a8b4a1e8bb3c69bf1661c31086e24b43ad4777e174afe6f0a7829537a81a69
[INFO] running `"docker" "start" "-a" "a2a8b4a1e8bb3c69bf1661c31086e24b43ad4777e174afe6f0a7829537a81a69"`
[INFO] [stderr]    Compiling serde_with v0.2.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `"docker" "inspect" "a2a8b4a1e8bb3c69bf1661c31086e24b43ad4777e174afe6f0a7829537a81a69"`
[INFO] running `"docker" "rm" "-f" "a2a8b4a1e8bb3c69bf1661c31086e24b43ad4777e174afe6f0a7829537a81a69"`
[INFO] [stdout] a2a8b4a1e8bb3c69bf1661c31086e24b43ad4777e174afe6f0a7829537a81a69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_with/0.2.5:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 598c69e7e3515c320acf81b7857e28a9c3f37775f97cd9cd7e65113ac77d27ab
[INFO] running `"docker" "start" "-a" "598c69e7e3515c320acf81b7857e28a9c3f37775f97cd9cd7e65113ac77d27ab"`
[INFO] [stderr]    Compiling ron v0.4.1
[INFO] [stderr]    Compiling serde_with v0.2.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `"docker" "inspect" "598c69e7e3515c320acf81b7857e28a9c3f37775f97cd9cd7e65113ac77d27ab"`
[INFO] running `"docker" "rm" "-f" "598c69e7e3515c320acf81b7857e28a9c3f37775f97cd9cd7e65113ac77d27ab"`
[INFO] [stdout] 598c69e7e3515c320acf81b7857e28a9c3f37775f97cd9cd7e65113ac77d27ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/serde_with/0.2.5:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 11a205e2a0d0a6417e7b9f841f9e9ee33c50a46f17447f35520234b1ce740bfc
[INFO] running `"docker" "start" "-a" "11a205e2a0d0a6417e7b9f841f9e9ee33c50a46f17447f35520234b1ce740bfc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_with-45a7f00af9da8644
[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]      Running /opt/crater/target/debug/deps/chrono-c8b827d3c5795dbe
[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]      Running /opt/crater/target/debug/deps/rust-c5ca2ab162f73996
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test string_collection ... ok
[INFO] [stdout] test prohibit_duplicate_value_hashset ... ok
[INFO] [stdout] test prohibit_duplicate_value_hashmap ... ok
[INFO] [stdout] test prohibit_duplicate_value_btreeset ... ok
[INFO] [stdout] test duplicate_key_first_wins_btreemap ... ok
[INFO] [stdout] test string_collection_non_existing ... ok
[INFO] [stdout] test duplicate_key_first_wins_hashmap ... ok
[INFO] [stdout] test prohibit_duplicate_value_btreemap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/with_prefix-e869e746b85ca952
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_flatten_with_prefix ... ok
[INFO] [stdout] test test_plain_with_prefix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_with
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs -  (line 57) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] test src/rust.rs - rust::maps_duplicate_key_is_error (line 578) ... ok
[INFO] [stdout] test src/rust.rs - rust::maps_first_key_wins (line 726) ... ok
[INFO] [stdout] test src/rust.rs - rust::double_option (line 329) ... ok
[INFO] [stdout] test src/rust.rs - rust::display_fromstr (line 26) ... ok
[INFO] [stdout] test src/rust.rs - rust::seq_display_fromstr (line 112) ... ok
[INFO] [stdout] test src/with_prefix.rs - with_prefix (line 30) ... ok
[INFO] [stdout] test src/rust.rs - rust::StringWithSeparator (line 237) ... ok
[INFO] [stdout] test src/rust.rs - rust::string_empty_as_none (line 822) ... ok
[INFO] [stdout] test src/rust.rs - rust::sets_duplicate_value_is_error (line 488) ... ok
[INFO] [stdout] test src/with_prefix.rs - with_prefix (line 46) ... ok
[INFO] [stdout] test src/rust.rs - rust::unwrap_or_skip (line 405) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "11a205e2a0d0a6417e7b9f841f9e9ee33c50a46f17447f35520234b1ce740bfc"`
[INFO] running `"docker" "rm" "-f" "11a205e2a0d0a6417e7b9f841f9e9ee33c50a46f17447f35520234b1ce740bfc"`
[INFO] [stdout] 11a205e2a0d0a6417e7b9f841f9e9ee33c50a46f17447f35520234b1ce740bfc