[INFO] fetching crate serde_stacker 0.1.14...
[INFO] testing serde_stacker-0.1.14 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate serde_stacker 0.1.14 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate serde_stacker 0.1.14
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde_stacker 0.1.14
[INFO] tweaked toml for crates.io crate serde_stacker 0.1.14 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_stacker 0.1.14 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serde_stacker 0.1.14 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.222
[INFO] [stderr]   Downloaded serde_core v1.0.222
[INFO] [stderr]   Downloaded serde v1.0.222
[INFO] [stderr]   Downloaded cc v1.2.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e75b10dfbf058d06f73b2823dad3f9b6c483f1805b67c77cf8510bdbd2f0c8
[INFO] running `Command { std: "docker" "start" "-a" "f8e75b10dfbf058d06f73b2823dad3f9b6c483f1805b67c77cf8510bdbd2f0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e75b10dfbf058d06f73b2823dad3f9b6c483f1805b67c77cf8510bdbd2f0c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e75b10dfbf058d06f73b2823dad3f9b6c483f1805b67c77cf8510bdbd2f0c8", kill_on_drop: false }`
[INFO] [stdout] f8e75b10dfbf058d06f73b2823dad3f9b6c483f1805b67c77cf8510bdbd2f0c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 606b6fa7e39893dfebb24a52993529adc9ca46614eff5a889a8f948544fe405c
[INFO] running `Command { std: "docker" "start" "-a" "606b6fa7e39893dfebb24a52993529adc9ca46614eff5a889a8f948544fe405c", kill_on_drop: false }`
[INFO] [stderr]    Compiling find-msvc-tools v0.1.1
[INFO] [stderr]    Compiling serde_core v1.0.222
[INFO] [stderr]    Compiling cc v1.2.37
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]    Compiling serde_stacker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `Command { std: "docker" "inspect" "606b6fa7e39893dfebb24a52993529adc9ca46614eff5a889a8f948544fe405c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606b6fa7e39893dfebb24a52993529adc9ca46614eff5a889a8f948544fe405c", kill_on_drop: false }`
[INFO] [stdout] 606b6fa7e39893dfebb24a52993529adc9ca46614eff5a889a8f948544fe405c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfc449bfae0aa2e5a8d0e65bf32083fca3089542dca123cec92598d40adb1ffd
[INFO] running `Command { std: "docker" "start" "-a" "bfc449bfae0aa2e5a8d0e65bf32083fca3089542dca123cec92598d40adb1ffd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.222
[INFO] [stderr]    Compiling serde v1.0.222
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde_stacker v0.1.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.32s
[INFO] running `Command { std: "docker" "inspect" "bfc449bfae0aa2e5a8d0e65bf32083fca3089542dca123cec92598d40adb1ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc449bfae0aa2e5a8d0e65bf32083fca3089542dca123cec92598d40adb1ffd", kill_on_drop: false }`
[INFO] [stdout] bfc449bfae0aa2e5a8d0e65bf32083fca3089542dca123cec92598d40adb1ffd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72d62d0b2cfd369de2f51cd4bc858b1e351cb4504959482c2f5b4a4ef473e79e
[INFO] running `Command { std: "docker" "start" "-a" "72d62d0b2cfd369de2f51cd4bc858b1e351cb4504959482c2f5b4a4ef473e79e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_stacker-10c5516306fed32a)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-c9594966de443bd0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_deserialize ... ok
[INFO] [stdout] test test_serialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_stacker
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72d62d0b2cfd369de2f51cd4bc858b1e351cb4504959482c2f5b4a4ef473e79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d62d0b2cfd369de2f51cd4bc858b1e351cb4504959482c2f5b4a4ef473e79e", kill_on_drop: false }`
[INFO] [stdout] 72d62d0b2cfd369de2f51cd4bc858b1e351cb4504959482c2f5b4a4ef473e79e