[INFO] fetching crate hash_browns 0.1.1...
[INFO] testing hash_browns-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate hash_browns 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hash_browns 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hash_browns 0.1.1
[INFO] finished tweaking crates.io crate hash_browns 0.1.1
[INFO] tweaked toml for crates.io crate hash_browns 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a95ddf09fe317858df41fabc7e309a081f29cca963dc9bf7bba0e8ddcd15ef8
[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" "6a95ddf09fe317858df41fabc7e309a081f29cca963dc9bf7bba0e8ddcd15ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a95ddf09fe317858df41fabc7e309a081f29cca963dc9bf7bba0e8ddcd15ef8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a95ddf09fe317858df41fabc7e309a081f29cca963dc9bf7bba0e8ddcd15ef8", kill_on_drop: false }`
[INFO] [stdout] 6a95ddf09fe317858df41fabc7e309a081f29cca963dc9bf7bba0e8ddcd15ef8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8fb167ccbf72502f3449e2fa6c416c7c0f530ea98cfdafd5a8b58cb18b86766
[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" "b8fb167ccbf72502f3449e2fa6c416c7c0f530ea98cfdafd5a8b58cb18b86766", kill_on_drop: false }`
[INFO] [stderr]    Compiling hash_browns v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::numbers::*`
[INFO] [stdout]  --> src/pipes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::numbers::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_sys_time_in_secs`
[INFO] [stdout]  --> src/nutils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_sys_time_in_secs() -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b8fb167ccbf72502f3449e2fa6c416c7c0f530ea98cfdafd5a8b58cb18b86766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fb167ccbf72502f3449e2fa6c416c7c0f530ea98cfdafd5a8b58cb18b86766", kill_on_drop: false }`
[INFO] [stdout] b8fb167ccbf72502f3449e2fa6c416c7c0f530ea98cfdafd5a8b58cb18b86766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 215ed4c0d6bc3ed9e641e097ab2682f36958f473b6ecc9734962d3809d0e8ce5
[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" "215ed4c0d6bc3ed9e641e097ab2682f36958f473b6ecc9734962d3809d0e8ce5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `crate::numbers::*`
[INFO] [stdout]  --> src/pipes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::numbers::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hash_browns v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_sys_time_in_secs`
[INFO] [stdout]  --> src/nutils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_sys_time_in_secs() -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::numbers::*`
[INFO] [stdout]  --> src/pipes.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::numbers::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "215ed4c0d6bc3ed9e641e097ab2682f36958f473b6ecc9734962d3809d0e8ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215ed4c0d6bc3ed9e641e097ab2682f36958f473b6ecc9734962d3809d0e8ce5", kill_on_drop: false }`
[INFO] [stdout] 215ed4c0d6bc3ed9e641e097ab2682f36958f473b6ecc9734962d3809d0e8ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4201021cd6678abf87cc73c188c345729a5c9977e959017d08bf196b4ba6b196
[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" "4201021cd6678abf87cc73c188c345729a5c9977e959017d08bf196b4ba6b196", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::numbers::*`
[INFO] [stderr]  --> src/pipes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::numbers::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_sys_time_in_secs`
[INFO] [stderr]  --> src/nutils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn get_sys_time_in_secs() -> u64 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::numbers::*`
[INFO] [stderr]  --> src/pipes.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::numbers::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hash_browns-71253738fd235bcd)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test chops::chops_tests::chop_u64_works ... ok
[INFO] [stdout] test numbers::nutils_tests::byte_int_64_to_u64_works ... ok
[INFO] [stdout] test pipes::pipes_tests::pipe_u32_works ... ok
[INFO] [stdout] test numbers::nutils_tests::byte_int_32_to_u32_works ... ok
[INFO] [stdout] test chops::chops_tests::chop_u32_works ... ok
[INFO] [stderr]    Doc-tests hash_browns
[INFO] [stdout] test nutils::nutils_tests::get_sys_time_in_secs_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/chops.rs - chops::ChopSeeds (line 5) ... ok
[INFO] [stdout] test src/pipes.rs - pipes::pipe_u32 (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4201021cd6678abf87cc73c188c345729a5c9977e959017d08bf196b4ba6b196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4201021cd6678abf87cc73c188c345729a5c9977e959017d08bf196b4ba6b196", kill_on_drop: false }`
[INFO] [stdout] 4201021cd6678abf87cc73c188c345729a5c9977e959017d08bf196b4ba6b196