[INFO] updating cached repository https://github.com/0x7CFE/cortex
[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] f901670b230530e692eec001e99f5be798989519
[INFO] testing 0x7CFE/cortex against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x7CFE%2Fcortex" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0x7CFE/cortex on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0x7CFE/cortex
[INFO] finished tweaking git repo https://github.com/0x7CFE/cortex
[INFO] tweaked toml for git repo https://github.com/0x7CFE/cortex written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/0x7CFE/cortex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04ddaa55ba04312f34a6c1edb5ceff9a38033d95770ac29453cf6d7c3cf83386
[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" "04ddaa55ba04312f34a6c1edb5ceff9a38033d95770ac29453cf6d7c3cf83386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04ddaa55ba04312f34a6c1edb5ceff9a38033d95770ac29453cf6d7c3cf83386", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ddaa55ba04312f34a6c1edb5ceff9a38033d95770ac29453cf6d7c3cf83386", kill_on_drop: false }`
[INFO] [stdout] 04ddaa55ba04312f34a6c1edb5ceff9a38033d95770ac29453cf6d7c3cf83386
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a8db535ad69824d6e7075238e0b4155040086cb19f43d2fffe26f95456dcd4c
[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" "9a8db535ad69824d6e7075238e0b4155040086cb19f43d2fffe26f95456dcd4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling rayon-core v1.0.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling serde v0.9.14
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling hound v3.1.0
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling sample v0.6.2
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling clap v2.23.2
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.7.0
[INFO] [stderr]    Compiling serde_derive v0.9.14
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]    Compiling dft v0.5.4
[INFO] [stderr]    Compiling bincode v1.0.0-alpha7
[INFO] [stderr]    Compiling cortex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.97s
[INFO] running `Command { std: "docker" "inspect" "9a8db535ad69824d6e7075238e0b4155040086cb19f43d2fffe26f95456dcd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8db535ad69824d6e7075238e0b4155040086cb19f43d2fffe26f95456dcd4c", kill_on_drop: false }`
[INFO] [stdout] 9a8db535ad69824d6e7075238e0b4155040086cb19f43d2fffe26f95456dcd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 691ed00ae26df6ebbe8abccf6401e6ee0ba705e0a5abc707ff4b620e706a8d93
[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" "691ed00ae26df6ebbe8abccf6401e6ee0ba705e0a5abc707ff4b620e706a8d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(conservative_impl_trait)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "691ed00ae26df6ebbe8abccf6401e6ee0ba705e0a5abc707ff4b620e706a8d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691ed00ae26df6ebbe8abccf6401e6ee0ba705e0a5abc707ff4b620e706a8d93", kill_on_drop: false }`
[INFO] [stdout] 691ed00ae26df6ebbe8abccf6401e6ee0ba705e0a5abc707ff4b620e706a8d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 363185e12ba93e17d3e7c6b5336a4642e7e389b1da319c775dfc4bf9249247c3
[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" "363185e12ba93e17d3e7c6b5336a4642e7e389b1da319c775dfc4bf9249247c3", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:25
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stderr]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(btree_range, collections_bound)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cortex-419cfc2f1244048b
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test memory::sparse_bitvec::set_bits ... ok
[INFO] [stdout] test memory::sparse_bitvec::cmp ... ok
[INFO] [stdout] test memory::fragment_key::unbounded ... ok
[INFO] [stdout] test memory::sparse_bitvec::from_bitvec ... ok
[INFO] [stdout] test memory::sparse_bitvec::cmp_empty ... ok
[INFO] [stdout] test memory::sparse_bitvec::new ... ok
[INFO] [stdout] test memory::sparse_bitvec::zeros ... ok
[INFO] [stdout] test memory::fragment_key::lower_bound ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "363185e12ba93e17d3e7c6b5336a4642e7e389b1da319c775dfc4bf9249247c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363185e12ba93e17d3e7c6b5336a4642e7e389b1da319c775dfc4bf9249247c3", kill_on_drop: false }`
[INFO] [stdout] 363185e12ba93e17d3e7c6b5336a4642e7e389b1da319c775dfc4bf9249247c3