[INFO] cloning repository https://github.com/nicholasfagan/serde-json-build-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicholasfagan/serde-json-build-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasfagan%2Fserde-json-build-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasfagan%2Fserde-json-build-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f12cb86c278cab1dbaabeb567c39dcdd016f56e
[INFO] testing nicholasfagan/serde-json-build-example against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicholasfagan%2Fserde-json-build-example" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicholasfagan/serde-json-build-example on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicholasfagan/serde-json-build-example
[INFO] finished tweaking git repo https://github.com/nicholasfagan/serde-json-build-example
[INFO] tweaked toml for git repo https://github.com/nicholasfagan/serde-json-build-example written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/nicholasfagan/serde-json-build-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a23f9942191996bfa47832f0336f385528f6e7d08a8c4a10d71eddf9b3a3e562
[INFO] running `Command { std: "docker" "start" "-a" "a23f9942191996bfa47832f0336f385528f6e7d08a8c4a10d71eddf9b3a3e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a23f9942191996bfa47832f0336f385528f6e7d08a8c4a10d71eddf9b3a3e562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23f9942191996bfa47832f0336f385528f6e7d08a8c4a10d71eddf9b3a3e562", kill_on_drop: false }`
[INFO] [stdout] a23f9942191996bfa47832f0336f385528f6e7d08a8c4a10d71eddf9b3a3e562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6321990375bd6ed9e23b693cbcdc6fd6eb3eda1a58c6fc37c0fbe295b555846
[INFO] running `Command { std: "docker" "start" "-a" "d6321990375bd6ed9e23b693cbcdc6fd6eb3eda1a58c6fc37c0fbe295b555846", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde-json-build-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.22s
[INFO] running `Command { std: "docker" "inspect" "d6321990375bd6ed9e23b693cbcdc6fd6eb3eda1a58c6fc37c0fbe295b555846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6321990375bd6ed9e23b693cbcdc6fd6eb3eda1a58c6fc37c0fbe295b555846", kill_on_drop: false }`
[INFO] [stdout] d6321990375bd6ed9e23b693cbcdc6fd6eb3eda1a58c6fc37c0fbe295b555846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d12b5e5d6c90fb1d07ef7855a4042d562bc8d0984bd548926ff97f4431f2263
[INFO] running `Command { std: "docker" "start" "-a" "3d12b5e5d6c90fb1d07ef7855a4042d562bc8d0984bd548926ff97f4431f2263", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-json-build-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "3d12b5e5d6c90fb1d07ef7855a4042d562bc8d0984bd548926ff97f4431f2263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d12b5e5d6c90fb1d07ef7855a4042d562bc8d0984bd548926ff97f4431f2263", kill_on_drop: false }`
[INFO] [stdout] 3d12b5e5d6c90fb1d07ef7855a4042d562bc8d0984bd548926ff97f4431f2263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4d5272bfda12ce8531ff9780b8d8023ce173208432292dc9d9c190cf75b9bf8
[INFO] running `Command { std: "docker" "start" "-a" "e4d5272bfda12ce8531ff9780b8d8023ce173208432292dc9d9c190cf75b9bf8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json_build_example-35e2a77d64b33ab0)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_json_build_example-286a59d3405781a9)
[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] [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-build-example
[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] running `Command { std: "docker" "inspect" "e4d5272bfda12ce8531ff9780b8d8023ce173208432292dc9d9c190cf75b9bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d5272bfda12ce8531ff9780b8d8023ce173208432292dc9d9c190cf75b9bf8", kill_on_drop: false }`
[INFO] [stdout] e4d5272bfda12ce8531ff9780b8d8023ce173208432292dc9d9c190cf75b9bf8