[INFO] cloning repository https://github.com/defcronyke/rust-struct-optional-field
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/defcronyke/rust-struct-optional-field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefcronyke%2Frust-struct-optional-field", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefcronyke%2Frust-struct-optional-field'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e1a9be00ad9c6bb799070db1c948f7463a849d7
[INFO] testing defcronyke/rust-struct-optional-field against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdefcronyke%2Frust-struct-optional-field" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/defcronyke/rust-struct-optional-field on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/defcronyke/rust-struct-optional-field
[INFO] finished tweaking git repo https://github.com/defcronyke/rust-struct-optional-field
[INFO] tweaked toml for git repo https://github.com/defcronyke/rust-struct-optional-field written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/defcronyke/rust-struct-optional-field already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 528919dd524d41d4a621f1762c29a747c1ab9d913fd8643bf999d0032f391260
[INFO] running `Command { std: "docker" "start" "-a" "528919dd524d41d4a621f1762c29a747c1ab9d913fd8643bf999d0032f391260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "528919dd524d41d4a621f1762c29a747c1ab9d913fd8643bf999d0032f391260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528919dd524d41d4a621f1762c29a747c1ab9d913fd8643bf999d0032f391260", kill_on_drop: false }`
[INFO] [stdout] 528919dd524d41d4a621f1762c29a747c1ab9d913fd8643bf999d0032f391260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a946a36ade0919e6a64c3931594522a71e44555780c594fb8668de89160c23f
[INFO] running `Command { std: "docker" "start" "-a" "3a946a36ade0919e6a64c3931594522a71e44555780c594fb8668de89160c23f", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "3a946a36ade0919e6a64c3931594522a71e44555780c594fb8668de89160c23f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a946a36ade0919e6a64c3931594522a71e44555780c594fb8668de89160c23f", kill_on_drop: false }`
[INFO] [stdout] 3a946a36ade0919e6a64c3931594522a71e44555780c594fb8668de89160c23f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e96b216c611ef9304129ad26f369cb4574b90a398a2501b6757ee252b2190755
[INFO] running `Command { std: "docker" "start" "-a" "e96b216c611ef9304129ad26f369cb4574b90a398a2501b6757ee252b2190755", kill_on_drop: false }`
[INFO] [stderr]    Compiling struct-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "e96b216c611ef9304129ad26f369cb4574b90a398a2501b6757ee252b2190755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e96b216c611ef9304129ad26f369cb4574b90a398a2501b6757ee252b2190755", kill_on_drop: false }`
[INFO] [stdout] e96b216c611ef9304129ad26f369cb4574b90a398a2501b6757ee252b2190755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df2f0380f32adbcb7bd3527c6765ceb676d460bb0f817f6aae13f5daa4b8f3b4
[INFO] running `Command { std: "docker" "start" "-a" "df2f0380f32adbcb7bd3527c6765ceb676d460bb0f817f6aae13f5daa4b8f3b4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/struct_test-23d972e76f3f7e31)
[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" "df2f0380f32adbcb7bd3527c6765ceb676d460bb0f817f6aae13f5daa4b8f3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2f0380f32adbcb7bd3527c6765ceb676d460bb0f817f6aae13f5daa4b8f3b4", kill_on_drop: false }`
[INFO] [stdout] df2f0380f32adbcb7bd3527c6765ceb676d460bb0f817f6aae13f5daa4b8f3b4