[INFO] fetching crate serde_with_macros 1.4.2...
[INFO] testing serde_with_macros-1.4.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate serde_with_macros 1.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate serde_with_macros 1.4.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_with_macros 1.4.2
[INFO] finished tweaking crates.io crate serde_with_macros 1.4.2
[INFO] tweaked toml for crates.io crate serde_with_macros 1.4.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.13.0
[INFO] [stderr]   Downloaded darling_core v0.13.0
[INFO] [stderr]   Downloaded darling_macro v0.13.0
[INFO] [stderr]   Downloaded version-sync v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a806fb32dfea63ae5267bc0e1baf6fc6dc8696ad1b52a882b4dac6420e5e36c1
[INFO] running `Command { std: "docker" "start" "-a" "a806fb32dfea63ae5267bc0e1baf6fc6dc8696ad1b52a882b4dac6420e5e36c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a806fb32dfea63ae5267bc0e1baf6fc6dc8696ad1b52a882b4dac6420e5e36c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a806fb32dfea63ae5267bc0e1baf6fc6dc8696ad1b52a882b4dac6420e5e36c1", kill_on_drop: false }`
[INFO] [stdout] a806fb32dfea63ae5267bc0e1baf6fc6dc8696ad1b52a882b4dac6420e5e36c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 186e575f55ff23855994f96b8a68c2d0bac7f0adb9138f0b11f5d9ef55e44f06
[INFO] running `Command { std: "docker" "start" "-a" "186e575f55ff23855994f96b8a68c2d0bac7f0adb9138f0b11f5d9ef55e44f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.36s
[INFO] running `Command { std: "docker" "inspect" "186e575f55ff23855994f96b8a68c2d0bac7f0adb9138f0b11f5d9ef55e44f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186e575f55ff23855994f96b8a68c2d0bac7f0adb9138f0b11f5d9ef55e44f06", kill_on_drop: false }`
[INFO] [stdout] 186e575f55ff23855994f96b8a68c2d0bac7f0adb9138f0b11f5d9ef55e44f06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfd3534917f5937fe2b159da4aa47bffbc5ec045512f56cd498e33e4007f20ca
[INFO] running `Command { std: "docker" "start" "-a" "cfd3534917f5937fe2b159da4aa47bffbc5ec045512f56cd498e33e4007f20ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling pretty_assertions v0.7.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling version-sync v0.9.2
[INFO] [stderr]    Compiling serde_with_macros v1.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.92s
[INFO] running `Command { std: "docker" "inspect" "cfd3534917f5937fe2b159da4aa47bffbc5ec045512f56cd498e33e4007f20ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd3534917f5937fe2b159da4aa47bffbc5ec045512f56cd498e33e4007f20ca", kill_on_drop: false }`
[INFO] [stdout] cfd3534917f5937fe2b159da4aa47bffbc5ec045512f56cd498e33e4007f20ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96fa157bdfc4c42d509b507bb5c80f3a10a7eb5e33cd8c8830b6c34acc623aa9
[INFO] running `Command { std: "docker" "start" "-a" "96fa157bdfc4c42d509b507bb5c80f3a10a7eb5e33cd8c8830b6c34acc623aa9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_with_macros-381931e3fd93b6f5)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_with_macros
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - derive_deserialize_fromstr (line 750) ... ignored
[INFO] [stdout] test src/lib.rs - derive_serialize_display (line 874) ... ignored
[INFO] [stdout] test src/lib.rs - serde_as (line 405) ... ignored
[INFO] [stdout] test src/lib.rs - serde_as (line 431) ... ignored
[INFO] [stdout] test src/lib.rs - serde_as (line 446) ... ignored
[INFO] [stdout] test src/lib.rs - serde_as (line 473) ... ignored
[INFO] [stdout] test src/lib.rs - skip_serializing_none (line 276) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - skip_serializing_none (line 214) ... ok
[INFO] [stdout] test src/lib.rs - skip_serializing_none (line 261) ... ok
[INFO] [stdout] test src/lib.rs - skip_serializing_none (line 233) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "96fa157bdfc4c42d509b507bb5c80f3a10a7eb5e33cd8c8830b6c34acc623aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fa157bdfc4c42d509b507bb5c80f3a10a7eb5e33cd8c8830b6c34acc623aa9", kill_on_drop: false }`
[INFO] [stdout] 96fa157bdfc4c42d509b507bb5c80f3a10a7eb5e33cd8c8830b6c34acc623aa9