[INFO] fetching crate velcro 0.5.3...
[INFO] testing velcro-0.5.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate velcro 0.5.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate velcro 0.5.3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate velcro 0.5.3
[INFO] finished tweaking crates.io crate velcro 0.5.3
[INFO] tweaked toml for crates.io crate velcro 0.5.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate velcro 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9609d5612216fd4b533807057f4dd19c7b94f37cc8ba05959631df7a0abc4ff
[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" "d9609d5612216fd4b533807057f4dd19c7b94f37cc8ba05959631df7a0abc4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9609d5612216fd4b533807057f4dd19c7b94f37cc8ba05959631df7a0abc4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9609d5612216fd4b533807057f4dd19c7b94f37cc8ba05959631df7a0abc4ff", kill_on_drop: false }`
[INFO] [stdout] d9609d5612216fd4b533807057f4dd19c7b94f37cc8ba05959631df7a0abc4ff
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b8714eb1cf7bd516bd0dc3612feb0c981d92670cb139c2c5b1afede43b130e
[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" "f8b8714eb1cf7bd516bd0dc3612feb0c981d92670cb139c2c5b1afede43b130e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling velcro_core v0.5.2
[INFO] [stderr]    Compiling velcro_macros v0.5.2
[INFO] [stderr]    Compiling velcro v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "f8b8714eb1cf7bd516bd0dc3612feb0c981d92670cb139c2c5b1afede43b130e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b8714eb1cf7bd516bd0dc3612feb0c981d92670cb139c2c5b1afede43b130e", kill_on_drop: false }`
[INFO] [stdout] f8b8714eb1cf7bd516bd0dc3612feb0c981d92670cb139c2c5b1afede43b130e
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce1541a86e2084cb63d8f00d0f0cf28ef616c940125a9c2d31bbff7227229f52
[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" "ce1541a86e2084cb63d8f00d0f0cf28ef616c940125a9c2d31bbff7227229f52", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling velcro v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `Command { std: "docker" "inspect" "ce1541a86e2084cb63d8f00d0f0cf28ef616c940125a9c2d31bbff7227229f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1541a86e2084cb63d8f00d0f0cf28ef616c940125a9c2d31bbff7227229f52", kill_on_drop: false }`
[INFO] [stdout] ce1541a86e2084cb63d8f00d0f0cf28ef616c940125a9c2d31bbff7227229f52
[INFO] running `Command { std: "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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ddea6d8b9c01b0922afce564dc2392309b6e03fc6ad5d56ca2963163177acf28
[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" "ddea6d8b9c01b0922afce564dc2392309b6e03fc6ad5d56ca2963163177acf28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/velcro-4858ecd6c611520c)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/007_hash_map_key_expression_with_path.rs (/opt/rustwide/target/debug/deps/007_hash_map_key_expression_with_path-258ff599e41f37d9)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/011_fixed_len_vector_with_range.rs (/opt/rustwide/target/debug/deps/011_fixed_len_vector_with_range-709f97b41a381ede)
[INFO] [stdout] test expressions_with_paths_should_be_permitted_as_hash_map_keys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests velcro
[INFO] [stdout] test fixed_len_vec_should_accept_range ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/lib.rs - linked_list_from (line 226) ... ok
[INFO] [stdout] test src/lib.rs - iter_from (line 402) ... ok
[INFO] [stdout] test src/lib.rs - linked_list (line 207) ... ok
[INFO] [stdout] test src/lib.rs - iter (line 382) ... ok
[INFO] [stdout] test src/lib.rs - map_iter_from (line 470) ... ok
[INFO] [stdout] test src/lib.rs - hash_set_from (line 184) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - hash_map (line 249) ... ok
[INFO] [stdout] test src/lib.rs - btree_set_from (line 142) ... ok
[INFO] [stdout] test src/lib.rs - btree_map (line 315) ... ok
[INFO] [stdout] test src/lib.rs - hash_map_from (line 279) ... ok
[INFO] [stdout] test src/lib.rs - map_iter (line 448) ... ok
[INFO] [stdout] test src/lib.rs - btree_set (line 124) ... ok
[INFO] [stdout] test src/lib.rs - map_iter (line 424) ... ok
[INFO] [stdout] test src/lib.rs - btree_map_from (line 346) ... ok
[INFO] [stdout] test src/lib.rs - hash_set (line 165) ... ok
[INFO] [stdout] test src/lib.rs - vec_from (line 102) ... ok
[INFO] [stdout] test src/lib.rs - vec (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ddea6d8b9c01b0922afce564dc2392309b6e03fc6ad5d56ca2963163177acf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddea6d8b9c01b0922afce564dc2392309b6e03fc6ad5d56ca2963163177acf28", kill_on_drop: false }`
[INFO] [stdout] ddea6d8b9c01b0922afce564dc2392309b6e03fc6ad5d56ca2963163177acf28