[INFO] fetching crate scope_gc 0.2.6...
[INFO] testing scope_gc-0.2.6 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate scope_gc 0.2.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scope_gc 0.2.6
[INFO] finished tweaking crates.io crate scope_gc 0.2.6
[INFO] tweaked toml for crates.io crate scope_gc 0.2.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scope_gc 0.2.6 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecfea4da0d31fb966a29de204baa0e40668a1df6b81e7b6402786262f44e8a2e
[INFO] running `Command { std: "docker" "start" "-a" "ecfea4da0d31fb966a29de204baa0e40668a1df6b81e7b6402786262f44e8a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecfea4da0d31fb966a29de204baa0e40668a1df6b81e7b6402786262f44e8a2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecfea4da0d31fb966a29de204baa0e40668a1df6b81e7b6402786262f44e8a2e", kill_on_drop: false }`
[INFO] [stdout] ecfea4da0d31fb966a29de204baa0e40668a1df6b81e7b6402786262f44e8a2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90b5d8482ea7ff20d7a6bd04dc2458457206d107f6db1dd52de8952f1ff22a4
[INFO] running `Command { std: "docker" "start" "-a" "f90b5d8482ea7ff20d7a6bd04dc2458457206d107f6db1dd52de8952f1ff22a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope_gc v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "f90b5d8482ea7ff20d7a6bd04dc2458457206d107f6db1dd52de8952f1ff22a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90b5d8482ea7ff20d7a6bd04dc2458457206d107f6db1dd52de8952f1ff22a4", kill_on_drop: false }`
[INFO] [stdout] f90b5d8482ea7ff20d7a6bd04dc2458457206d107f6db1dd52de8952f1ff22a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44dec7f13ea978121e2f34e80a6ea2ec1c0d1f325ac012076ed42112e2177e63
[INFO] running `Command { std: "docker" "start" "-a" "44dec7f13ea978121e2f34e80a6ea2ec1c0d1f325ac012076ed42112e2177e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling scope_gc v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |     struct A<'n>(&'n i32);
[INFO] [stdout]    |            -     ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `inner` is never used
[INFO] [stdout]   --> src/lib.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |     trait NodeA<'gc>: NodeTrait<'gc> {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] 55 |         fn inner(&self) -> &i32;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "44dec7f13ea978121e2f34e80a6ea2ec1c0d1f325ac012076ed42112e2177e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44dec7f13ea978121e2f34e80a6ea2ec1c0d1f325ac012076ed42112e2177e63", kill_on_drop: false }`
[INFO] [stdout] 44dec7f13ea978121e2f34e80a6ea2ec1c0d1f325ac012076ed42112e2177e63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe787ea12684779c2272a62935ff7117eeb3856b66dc6a676b087711e4050499
[INFO] running `Command { std: "docker" "start" "-a" "fe787ea12684779c2272a62935ff7117eeb3856b66dc6a676b087711e4050499", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/lib.rs:45:18
[INFO] [stderr]    |
[INFO] [stderr] 45 |     struct A<'n>(&'n i32);
[INFO] [stderr]    |            -     ^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `inner` is never used
[INFO] [stderr]   --> src/lib.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |     trait NodeA<'gc>: NodeTrait<'gc> {
[INFO] [stderr]    |           ----- method in this trait
[INFO] [stderr] 55 |         fn inner(&self) -> &i32;
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `scope_gc` (lib test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scope_gc-478c3abdda7612cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.95s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scope_gc
[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" "fe787ea12684779c2272a62935ff7117eeb3856b66dc6a676b087711e4050499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe787ea12684779c2272a62935ff7117eeb3856b66dc6a676b087711e4050499", kill_on_drop: false }`
[INFO] [stdout] fe787ea12684779c2272a62935ff7117eeb3856b66dc6a676b087711e4050499