[INFO] fetching crate fera-array 0.1.0...
[INFO] testing fera-array-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate fera-array 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate fera-array 0.1.0 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fera-array 0.1.0
[INFO] finished tweaking crates.io crate fera-array 0.1.0
[INFO] tweaked toml for crates.io crate fera-array 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testdrop v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25e98c147cf8286bbeb838d4be663e5d3ad14612d717756275eff6d74f92c9b8
[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" "25e98c147cf8286bbeb838d4be663e5d3ad14612d717756275eff6d74f92c9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e98c147cf8286bbeb838d4be663e5d3ad14612d717756275eff6d74f92c9b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e98c147cf8286bbeb838d4be663e5d3ad14612d717756275eff6d74f92c9b8", kill_on_drop: false }`
[INFO] [stdout] 25e98c147cf8286bbeb838d4be663e5d3ad14612d717756275eff6d74f92c9b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a8aed1902eea6cc3e9d43ed8f8325d11cd90e60cb154d8c08c03bafb48375a6
[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" "6a8aed1902eea6cc3e9d43ed8f8325d11cd90e60cb154d8c08c03bafb48375a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fera-fun v0.1.0
[INFO] [stderr]    Compiling fera-array v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / macro_rules! delegate_benchs {
[INFO] [stdout] 29 | |     ($T: ident, $($names: ident),+) => (
[INFO] [stdout] 30 | |         $(
[INFO] [stdout] 31 | |             #[bench]
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     )
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "6a8aed1902eea6cc3e9d43ed8f8325d11cd90e60cb154d8c08c03bafb48375a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a8aed1902eea6cc3e9d43ed8f8325d11cd90e60cb154d8c08c03bafb48375a6", kill_on_drop: false }`
[INFO] [stdout] 6a8aed1902eea6cc3e9d43ed8f8325d11cd90e60cb154d8c08c03bafb48375a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8dbf02aa4e238002a52b58daea93930b7ccb36022be9d936a3c94d455990a6ca
[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" "8dbf02aa4e238002a52b58daea93930b7ccb36022be9d936a3c94d455990a6ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | / macro_rules! delegate_benchs {
[INFO] [stdout] 29 | |     ($T: ident, $($names: ident),+) => (
[INFO] [stdout] 30 | |         $(
[INFO] [stdout] 31 | |             #[bench]
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |     )
[INFO] [stdout] 37 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling version-sync v0.5.0
[INFO] [stderr]    Compiling fera-array v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 15.12s
[INFO] running `Command { std: "docker" "inspect" "8dbf02aa4e238002a52b58daea93930b7ccb36022be9d936a3c94d455990a6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dbf02aa4e238002a52b58daea93930b7ccb36022be9d936a3c94d455990a6ca", kill_on_drop: false }`
[INFO] [stdout] 8dbf02aa4e238002a52b58daea93930b7ccb36022be9d936a3c94d455990a6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4b22d8a368d111530499ed9e9c453ceaf1a7094d6e073efaeb38f239ace0ce9
[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" "f4b22d8a368d111530499ed9e9c453ceaf1a7094d6e073efaeb38f239ace0ce9", kill_on_drop: false }`
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | / macro_rules! delegate_benchs {
[INFO] [stderr] 29 | |     ($T: ident, $($names: ident),+) => (
[INFO] [stderr] 30 | |         $(
[INFO] [stderr] 31 | |             #[bench]
[INFO] [stderr] ...  |
[INFO] [stderr] 36 | |     )
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fera_array-10115e06cccebafa
[INFO] [stdout] 
[INFO] [stdout] running 73 tests
[INFO] [stdout] test cow::tests::basic_0 ... ok
[INFO] [stderr] fera_array-10115e06cccebafa: malloc.c:2379: sysmalloc: Assertion `(old_top == initial_top (av) && old_size == 0) || ((unsigned long) (old_size) >= MINSIZE && prev_inuse (old_top) && ((unsigned long) old_end & (pagesize - 1)) == 0)' failed.
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fera_array-10115e06cccebafa` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "f4b22d8a368d111530499ed9e9c453ceaf1a7094d6e073efaeb38f239ace0ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b22d8a368d111530499ed9e9c453ceaf1a7094d6e073efaeb38f239ace0ce9", kill_on_drop: false }`
[INFO] [stdout] f4b22d8a368d111530499ed9e9c453ceaf1a7094d6e073efaeb38f239ace0ce9