[INFO] fetching crate iwls 0.0.3...
[INFO] testing iwls-0.0.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate iwls 0.0.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iwls 0.0.3 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iwls 0.0.3
[INFO] finished tweaking crates.io crate iwls 0.0.3
[INFO] tweaked toml for crates.io crate iwls 0.0.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate iwls 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef57880f52261e4a6be39e2ff8b7586102c4f1d2d209136746cac06af9a33b04
[INFO] running `Command { std: "docker" "start" "-a" "ef57880f52261e4a6be39e2ff8b7586102c4f1d2d209136746cac06af9a33b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef57880f52261e4a6be39e2ff8b7586102c4f1d2d209136746cac06af9a33b04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef57880f52261e4a6be39e2ff8b7586102c4f1d2d209136746cac06af9a33b04", kill_on_drop: false }`
[INFO] [stdout] ef57880f52261e4a6be39e2ff8b7586102c4f1d2d209136746cac06af9a33b04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c34daedace99c6ab4e8bf1dda170f396f4ca869dc0445ef8dfb81feaa7981eed
[INFO] running `Command { std: "docker" "start" "-a" "c34daedace99c6ab4e8bf1dda170f396f4ca869dc0445ef8dfb81feaa7981eed", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling users v0.9.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling nalgebra v0.18.1
[INFO] [stderr]    Compiling wifiscanner v0.5.1
[INFO] [stderr]    Compiling iwls v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.44s
[INFO] running `Command { std: "docker" "inspect" "c34daedace99c6ab4e8bf1dda170f396f4ca869dc0445ef8dfb81feaa7981eed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34daedace99c6ab4e8bf1dda170f396f4ca869dc0445ef8dfb81feaa7981eed", kill_on_drop: false }`
[INFO] [stdout] c34daedace99c6ab4e8bf1dda170f396f4ca869dc0445ef8dfb81feaa7981eed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd88dd6464324bc097ab64cef35d404258cc21f0bcc1dcdcb901e10bd56a40ab
[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" "bd88dd6464324bc097ab64cef35d404258cc21f0bcc1dcdcb901e10bd56a40ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling iwls v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "bd88dd6464324bc097ab64cef35d404258cc21f0bcc1dcdcb901e10bd56a40ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd88dd6464324bc097ab64cef35d404258cc21f0bcc1dcdcb901e10bd56a40ab", kill_on_drop: false }`
[INFO] [stdout] bd88dd6464324bc097ab64cef35d404258cc21f0bcc1dcdcb901e10bd56a40ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6e2efe20deb561438c4d50c9a5431a3ba96abda5b322988117c5c2d4500b8c7
[INFO] running `Command { std: "docker" "start" "-a" "c6e2efe20deb561438c4d50c9a5431a3ba96abda5b322988117c5c2d4500b8c7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iwls-a5a698bba558dd46)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_channels_intersect ... ok
[INFO] [stdout] test tests::test_to_readable_quality ... ok
[INFO] [stdout] test tests::test_to_readable_channel ... ok
[INFO] [stdout] test tests::test_compute_suggestion ... ok
[INFO] [stdout] test tests::test_signal_to_quality ... ok
[INFO] [stdout] test tests::test_parse_channel ... ok
[INFO] [stdout] test tests::test_compare_channels_load ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iwls-4c4234731acb7fbc)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6e2efe20deb561438c4d50c9a5431a3ba96abda5b322988117c5c2d4500b8c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e2efe20deb561438c4d50c9a5431a3ba96abda5b322988117c5c2d4500b8c7", kill_on_drop: false }`
[INFO] [stdout] c6e2efe20deb561438c4d50c9a5431a3ba96abda5b322988117c5c2d4500b8c7