[INFO] fetching crate refptr 0.2.0...
[INFO] testing refptr-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate refptr 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate refptr 0.2.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate refptr 0.2.0
[INFO] finished tweaking crates.io crate refptr 0.2.0
[INFO] tweaked toml for crates.io crate refptr 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded refptr-macros v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 055352dda0e8d85ed8aea5405d5c8df918c0b8d941f5e746f6f7d308096d893d
[INFO] running `Command { std: "docker" "start" "-a" "055352dda0e8d85ed8aea5405d5c8df918c0b8d941f5e746f6f7d308096d893d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "055352dda0e8d85ed8aea5405d5c8df918c0b8d941f5e746f6f7d308096d893d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "055352dda0e8d85ed8aea5405d5c8df918c0b8d941f5e746f6f7d308096d893d", kill_on_drop: false }`
[INFO] [stdout] 055352dda0e8d85ed8aea5405d5c8df918c0b8d941f5e746f6f7d308096d893d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56651204d33d8aa78974261f3ccd3cd62ec17fdfd0b5ad81b1266ee38edfc4c0
[INFO] running `Command { std: "docker" "start" "-a" "56651204d33d8aa78974261f3ccd3cd62ec17fdfd0b5ad81b1266ee38edfc4c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling refptr-macros v0.2.0
[INFO] [stderr]    Compiling refptr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.34s
[INFO] running `Command { std: "docker" "inspect" "56651204d33d8aa78974261f3ccd3cd62ec17fdfd0b5ad81b1266ee38edfc4c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56651204d33d8aa78974261f3ccd3cd62ec17fdfd0b5ad81b1266ee38edfc4c0", kill_on_drop: false }`
[INFO] [stdout] 56651204d33d8aa78974261f3ccd3cd62ec17fdfd0b5ad81b1266ee38edfc4c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e308c2d98297f0adb628a525f72f99981f5c350ffc04891b871c802cc49c6f28
[INFO] running `Command { std: "docker" "start" "-a" "e308c2d98297f0adb628a525f72f99981f5c350ffc04891b871c802cc49c6f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling refptr v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]  --> tests/testy.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     aaa: i32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]  --> tests/testy.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     bbb: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]   --> tests/testy.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     aaa: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]   --> tests/testy.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     bbb: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]   --> tests/testy.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     aaa: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]   --> tests/testy.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     bbb: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `aaa`
[INFO] [stdout]   --> tests/testy.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     aaa: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bbb`
[INFO] [stdout]   --> tests/testy.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bbb: u32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e308c2d98297f0adb628a525f72f99981f5c350ffc04891b871c802cc49c6f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e308c2d98297f0adb628a525f72f99981f5c350ffc04891b871c802cc49c6f28", kill_on_drop: false }`
[INFO] [stdout] e308c2d98297f0adb628a525f72f99981f5c350ffc04891b871c802cc49c6f28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 954f53c111669d1a328589c6f92e33322b4f83c1e7b66129324e094213774015
[INFO] running `Command { std: "docker" "start" "-a" "954f53c111669d1a328589c6f92e33322b4f83c1e7b66129324e094213774015", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]  --> tests/testy.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     aaa: i32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]  --> tests/testy.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     bbb: u32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]   --> tests/testy.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     aaa: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]   --> tests/testy.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     bbb: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]   --> tests/testy.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     aaa: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]   --> tests/testy.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     bbb: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `aaa`
[INFO] [stderr]   --> tests/testy.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     aaa: i32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bbb`
[INFO] [stderr]   --> tests/testy.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     bbb: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `refptr` (test "testy") generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/refptr-3069f1fdb6254eaf)
[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/testy.rs (/opt/rustwide/target/debug/deps/testy-4fc02d532ae7f0ef)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests refptr
[INFO] [stdout] test foo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 120) ... ok
[INFO] [stdout] test src/lib.rs - (line 97) ... ok
[INFO] [stdout] test src/lib.rs - (line 155) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - WeakPtr (line 293) ... ok
[INFO] [stdout] test src/lib.rs - make_refptr (line 477) ... ok
[INFO] [stdout] test src/lib.rs - (line 76) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "954f53c111669d1a328589c6f92e33322b4f83c1e7b66129324e094213774015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954f53c111669d1a328589c6f92e33322b4f83c1e7b66129324e094213774015", kill_on_drop: false }`
[INFO] [stdout] 954f53c111669d1a328589c6f92e33322b4f83c1e7b66129324e094213774015