[INFO] fetching crate regalloc 0.0.17...
[INFO] testing regalloc-0.0.17 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate regalloc 0.0.17 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate regalloc 0.0.17 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate regalloc 0.0.17
[INFO] finished tweaking crates.io crate regalloc 0.0.17
[INFO] tweaked toml for crates.io crate regalloc 0.0.17 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3e3915a81503a386ab92ee8697800fbf4feab417e9f18166e4d8d6a1f59c23bf
[INFO] running `"docker" "start" "-a" "3e3915a81503a386ab92ee8697800fbf4feab417e9f18166e4d8d6a1f59c23bf"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regalloc v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `get_raw_reg_sets_for_insn`
[INFO] [stderr]     --> src/analysis.rs:1147:8
[INFO] [stderr]      |
[INFO] [stderr] 1147 | pub fn get_raw_reg_sets_for_insn<F: Function>(inst: &F::Inst) -> RegSets {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.98s
[INFO] running `"docker" "inspect" "3e3915a81503a386ab92ee8697800fbf4feab417e9f18166e4d8d6a1f59c23bf"`
[INFO] running `"docker" "rm" "-f" "3e3915a81503a386ab92ee8697800fbf4feab417e9f18166e4d8d6a1f59c23bf"`
[INFO] [stdout] 3e3915a81503a386ab92ee8697800fbf4feab417e9f18166e4d8d6a1f59c23bf
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b87ad224d7403d10ac20b79770dca065a1e85d0d8c8337f499c6395baa6318e
[INFO] running `"docker" "start" "-a" "3b87ad224d7403d10ac20b79770dca065a1e85d0d8c8337f499c6395baa6318e"`
[INFO] [stderr]    Compiling regalloc v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `get_raw_reg_sets_for_insn`
[INFO] [stderr]     --> src/analysis.rs:1147:8
[INFO] [stderr]      |
[INFO] [stderr] 1147 | pub fn get_raw_reg_sets_for_insn<F: Function>(inst: &F::Inst) -> RegSets {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_raw_reg_sets_for_insn`
[INFO] [stderr]     --> src/analysis.rs:1147:8
[INFO] [stderr]      |
[INFO] [stderr] 1147 | pub fn get_raw_reg_sets_for_insn<F: Function>(inst: &F::Inst) -> RegSets {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `"docker" "inspect" "3b87ad224d7403d10ac20b79770dca065a1e85d0d8c8337f499c6395baa6318e"`
[INFO] running `"docker" "rm" "-f" "3b87ad224d7403d10ac20b79770dca065a1e85d0d8c8337f499c6395baa6318e"`
[INFO] [stdout] 3b87ad224d7403d10ac20b79770dca065a1e85d0d8c8337f499c6395baa6318e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 813259c56d011915d33c7770d462f3134711e60c2041ccee455e7537841a37c6
[INFO] running `"docker" "start" "-a" "813259c56d011915d33c7770d462f3134711e60c2041ccee455e7537841a37c6"`
[INFO] [stderr] warning: function is never used: `get_raw_reg_sets_for_insn`
[INFO] [stderr]     --> src/analysis.rs:1147:8
[INFO] [stderr]      |
[INFO] [stderr] 1147 | pub fn get_raw_reg_sets_for_insn<F: Function>(inst: &F::Inst) -> RegSets {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_raw_reg_sets_for_insn`
[INFO] [stderr]     --> src/analysis.rs:1147:8
[INFO] [stderr]      |
[INFO] [stderr] 1147 | pub fn get_raw_reg_sets_for_insn<F: Function>(inst: &F::Inst) -> RegSets {
[INFO] [stderr]      |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regalloc-776977bb31941133
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test trees_maps_sets::test_union_find ... ok
[INFO] [stdout] test avl_tree::test_avl_tree2 ... ok
[INFO] [stdout] test avl_tree::test_avl_tree_iter ... ok
[INFO] [stderr]    Doc-tests regalloc
[INFO] [stdout] test avl_tree::test_avl_tree1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "813259c56d011915d33c7770d462f3134711e60c2041ccee455e7537841a37c6"`
[INFO] running `"docker" "rm" "-f" "813259c56d011915d33c7770d462f3134711e60c2041ccee455e7537841a37c6"`
[INFO] [stdout] 813259c56d011915d33c7770d462f3134711e60c2041ccee455e7537841a37c6