[INFO] fetching crate serdeio 0.4.1...
[INFO] testing serdeio-0.4.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate serdeio 0.4.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate serdeio 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serdeio 0.4.1
[INFO] tweaked toml for crates.io crate serdeio 0.4.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serdeio 0.4.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serdeio 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c735c158dcc73a4e36914e6ad42317903628b196af813d253892035a6190c43c
[INFO] running `Command { std: "docker" "start" "-a" "c735c158dcc73a4e36914e6ad42317903628b196af813d253892035a6190c43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c735c158dcc73a4e36914e6ad42317903628b196af813d253892035a6190c43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c735c158dcc73a4e36914e6ad42317903628b196af813d253892035a6190c43c", kill_on_drop: false }`
[INFO] [stdout] c735c158dcc73a4e36914e6ad42317903628b196af813d253892035a6190c43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97531f03c62edaf35c32ee6382675492d0c6665829aafd05e5dd5bf0989fe7d1
[INFO] running `Command { std: "docker" "start" "-a" "97531f03c62edaf35c32ee6382675492d0c6665829aafd05e5dd5bf0989fe7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serdeio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.61s
[INFO] running `Command { std: "docker" "inspect" "97531f03c62edaf35c32ee6382675492d0c6665829aafd05e5dd5bf0989fe7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97531f03c62edaf35c32ee6382675492d0c6665829aafd05e5dd5bf0989fe7d1", kill_on_drop: false }`
[INFO] [stdout] 97531f03c62edaf35c32ee6382675492d0c6665829aafd05e5dd5bf0989fe7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5cd5546005e9378fc27ce1df526a4ad48cf3f9807a950952fa885baf6c1d698
[INFO] running `Command { std: "docker" "start" "-a" "a5cd5546005e9378fc27ce1df526a4ad48cf3f9807a950952fa885baf6c1d698", kill_on_drop: false }`
[INFO] [stderr]    Compiling serdeio v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "a5cd5546005e9378fc27ce1df526a4ad48cf3f9807a950952fa885baf6c1d698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5cd5546005e9378fc27ce1df526a4ad48cf3f9807a950952fa885baf6c1d698", kill_on_drop: false }`
[INFO] [stdout] a5cd5546005e9378fc27ce1df526a4ad48cf3f9807a950952fa885baf6c1d698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 290cc578a1feac5433136b71708130fd2d1090ddd06c54206a9747c0499248b7
[INFO] running `Command { std: "docker" "start" "-a" "290cc578a1feac5433136b71708130fd2d1090ddd06c54206a9747c0499248b7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serdeio-9cfe294d20985d70)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test backend::jsonlines::test::test_read ... ok
[INFO] [stdout] test backend::jsonlines::test::test_write ... ok
[INFO] [stdout] test types::test::test_data_format ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "290cc578a1feac5433136b71708130fd2d1090ddd06c54206a9747c0499248b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "290cc578a1feac5433136b71708130fd2d1090ddd06c54206a9747c0499248b7", kill_on_drop: false }`
[INFO] [stdout] 290cc578a1feac5433136b71708130fd2d1090ddd06c54206a9747c0499248b7