[INFO] updating cached repository https://github.com/isaacazuelos/rs_gc_dead_end [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38eb6324bcc278465b11a905cc72a55e380626c3 [INFO] testing isaacazuelos/rs_gc_dead_end against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaacazuelos%2Frs_gc_dead_end" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/isaacazuelos/rs_gc_dead_end on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/isaacazuelos/rs_gc_dead_end [INFO] finished tweaking git repo https://github.com/isaacazuelos/rs_gc_dead_end [INFO] tweaked toml for git repo https://github.com/isaacazuelos/rs_gc_dead_end written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/isaacazuelos/rs_gc_dead_end already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4c7f463f492be632ebfeb741d9d480ac8f4ee034c156aa7f4d4c188549aff361 [INFO] running `Command { std: "docker" "start" "-a" "4c7f463f492be632ebfeb741d9d480ac8f4ee034c156aa7f4d4c188549aff361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c7f463f492be632ebfeb741d9d480ac8f4ee034c156aa7f4d4c188549aff361", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c7f463f492be632ebfeb741d9d480ac8f4ee034c156aa7f4d4c188549aff361", kill_on_drop: false }` [INFO] [stdout] 4c7f463f492be632ebfeb741d9d480ac8f4ee034c156aa7f4d4c188549aff361 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fafa9e737ecb8c78e856f2489806de34bc0378c49cd317f29e5a725bf87ba76 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6fafa9e737ecb8c78e856f2489806de34bc0378c49cd317f29e5a725bf87ba76", kill_on_drop: false }` [INFO] [stderr] Compiling gc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | let a = heap.intern(Node::new("a")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | let b = heap.intern(Node::new("b")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:85:24 [INFO] [stdout] | [INFO] [stdout] 85 | fn mark(&mut self, root: &mut Gc) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `collect` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | fn collect(&mut self, root: &mut Gc) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mark` [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn mark(&mut self, root: &mut Gc) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sweep` [INFO] [stdout] --> src/main.rs:89:15 [INFO] [stdout] | [INFO] [stdout] 89 | unsafe fn sweep(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_edge` [INFO] [stdout] --> src/main.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | fn push_edge(&'a mut self, edge: Gc<'a, Node<'a>>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "6fafa9e737ecb8c78e856f2489806de34bc0378c49cd317f29e5a725bf87ba76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fafa9e737ecb8c78e856f2489806de34bc0378c49cd317f29e5a725bf87ba76", kill_on_drop: false }` [INFO] [stdout] 6fafa9e737ecb8c78e856f2489806de34bc0378c49cd317f29e5a725bf87ba76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0f6ca4969dede7b4d6807b3ea2708eff12e6cce62937a6b8f06086da2072af3f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0f6ca4969dede7b4d6807b3ea2708eff12e6cce62937a6b8f06086da2072af3f", kill_on_drop: false }` [INFO] [stderr] Compiling gc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | let a = heap.intern(Node::new("a")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:165:9 [INFO] [stdout] | [INFO] [stdout] 165 | let b = heap.intern(Node::new("b")); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/main.rs:85:24 [INFO] [stdout] | [INFO] [stdout] 85 | fn mark(&mut self, root: &mut Gc) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `collect` [INFO] [stdout] --> src/main.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | fn collect(&mut self, root: &mut Gc) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mark` [INFO] [stdout] --> src/main.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn mark(&mut self, root: &mut Gc) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `sweep` [INFO] [stdout] --> src/main.rs:89:15 [INFO] [stdout] | [INFO] [stdout] 89 | unsafe fn sweep(&mut self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_edge` [INFO] [stdout] --> src/main.rs:152:8 [INFO] [stdout] | [INFO] [stdout] 152 | fn push_edge(&'a mut self, edge: Gc<'a, Node<'a>>) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "0f6ca4969dede7b4d6807b3ea2708eff12e6cce62937a6b8f06086da2072af3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6ca4969dede7b4d6807b3ea2708eff12e6cce62937a6b8f06086da2072af3f", kill_on_drop: false }` [INFO] [stdout] 0f6ca4969dede7b4d6807b3ea2708eff12e6cce62937a6b8f06086da2072af3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 14972a92d86e46850bf98cc2daeede386910c56bd8e509dcb190ae2035a77c24 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "14972a92d86e46850bf98cc2daeede386910c56bd8e509dcb190ae2035a77c24", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/main.rs:164:9 [INFO] [stderr] | [INFO] [stderr] 164 | let a = heap.intern(Node::new("a")); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:165:9 [INFO] [stderr] | [INFO] [stderr] 165 | let b = heap.intern(Node::new("b")); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/main.rs:85:24 [INFO] [stderr] | [INFO] [stderr] 85 | fn mark(&mut self, root: &mut Gc) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `collect` [INFO] [stderr] --> src/main.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 80 | fn collect(&mut self, root: &mut Gc) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mark` [INFO] [stderr] --> src/main.rs:85:8 [INFO] [stderr] | [INFO] [stderr] 85 | fn mark(&mut self, root: &mut Gc) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `sweep` [INFO] [stderr] --> src/main.rs:89:15 [INFO] [stderr] | [INFO] [stderr] 89 | unsafe fn sweep(&mut self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_edge` [INFO] [stderr] --> src/main.rs:152:8 [INFO] [stderr] | [INFO] [stderr] 152 | fn push_edge(&'a mut self, edge: Gc<'a, Node<'a>>) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/gc-09987566510fbbdb [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "14972a92d86e46850bf98cc2daeede386910c56bd8e509dcb190ae2035a77c24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14972a92d86e46850bf98cc2daeede386910c56bd8e509dcb190ae2035a77c24", kill_on_drop: false }` [INFO] [stdout] 14972a92d86e46850bf98cc2daeede386910c56bd8e509dcb190ae2035a77c24