[INFO] fetching crate serde_json 1.0.67...
[INFO] testing serde_json-1.0.67 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serde_json 1.0.67 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate serde_json 1.0.67 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_json 1.0.67
[INFO] finished tweaking crates.io crate serde_json 1.0.67
[INFO] tweaked toml for crates.io crate serde_json 1.0.67 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5657d1a24627d6f61d3e62055770836d55c7f136dd352b86ecf5a0f4ba47967
[INFO] running `Command { std: "docker" "start" "-a" "b5657d1a24627d6f61d3e62055770836d55c7f136dd352b86ecf5a0f4ba47967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5657d1a24627d6f61d3e62055770836d55c7f136dd352b86ecf5a0f4ba47967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5657d1a24627d6f61d3e62055770836d55c7f136dd352b86ecf5a0f4ba47967", kill_on_drop: false }`
[INFO] [stdout] b5657d1a24627d6f61d3e62055770836d55c7f136dd352b86ecf5a0f4ba47967
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90a296a89d3fe6939b1e058870b231f68ee2cbac6bc4337969fa75eaa323296
[INFO] running `Command { std: "docker" "start" "-a" "c90a296a89d3fe6939b1e058870b231f68ee2cbac6bc4337969fa75eaa323296", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.67 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "c90a296a89d3fe6939b1e058870b231f68ee2cbac6bc4337969fa75eaa323296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90a296a89d3fe6939b1e058870b231f68ee2cbac6bc4337969fa75eaa323296", kill_on_drop: false }`
[INFO] [stdout] c90a296a89d3fe6939b1e058870b231f68ee2cbac6bc4337969fa75eaa323296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ebacaaa31b7c080f35af4ebafd22319ea18d9c78ffa916b7517daca03ebaad
[INFO] running `Command { std: "docker" "start" "-a" "87ebacaaa31b7c080f35af4ebafd22319ea18d9c78ffa916b7517daca03ebaad", kill_on_drop: false }`
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde_stacker v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.67 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "87ebacaaa31b7c080f35af4ebafd22319ea18d9c78ffa916b7517daca03ebaad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ebacaaa31b7c080f35af4ebafd22319ea18d9c78ffa916b7517daca03ebaad", kill_on_drop: false }`
[INFO] [stdout] 87ebacaaa31b7c080f35af4ebafd22319ea18d9c78ffa916b7517daca03ebaad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f170e651e2cf5be89f2d37a0543a6464a7ac9774b7de4b4c3f228cc0e709fef7
[INFO] running `Command { std: "docker" "start" "-a" "f170e651e2cf5be89f2d37a0543a6464a7ac9774b7de4b4c3f228cc0e709fef7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json-0f21241097b89586)
[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_json
[INFO] [stdout] 
[INFO] [stdout] running 98 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name serde_json --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps -L native=/opt/rustwide/target/debug/build/psm-420f14c97e25001c/out --extern automod=/opt/rustwide/target/debug/deps/libautomod-0dd0680f90716c0d.so --extern itoa=/opt/rustwide/target/debug/deps/libitoa-215e7daa7cb51b46.rlib --extern rustversion=/opt/rustwide/target/debug/deps/librustversion-cc9967e3d7b9fcac.so --extern ryu=/opt/rustwide/target/debug/deps/libryu-d12c73784c01ffe8.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-1c95ca7ba950c895.rlib --extern serde_bytes=/opt/rustwide/target/debug/deps/libserde_bytes-d289dbbea43b3e34.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-69054f4e434afa19.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3ea4bd03243a5660.rlib --extern serde_stacker=/opt/rustwide/target/debug/deps/libserde_stacker-1de94a26074ca31e.rlib --extern trybuild=/opt/rustwide/target/debug/deps/libtrybuild-f15bb6517ee3c23f.rlib -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' --cfg limb_width_64 --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f170e651e2cf5be89f2d37a0543a6464a7ac9774b7de4b4c3f228cc0e709fef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f170e651e2cf5be89f2d37a0543a6464a7ac9774b7de4b4c3f228cc0e709fef7", kill_on_drop: false }`
[INFO] [stdout] f170e651e2cf5be89f2d37a0543a6464a7ac9774b7de4b4c3f228cc0e709fef7