[INFO] cloning repository https://github.com/0b101010/asccc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0b101010/asccc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0b101010%2Fasccc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0b101010%2Fasccc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f3f782a4a90d5360772fff3f4078dfeee963fcf
[INFO] testing 0b101010/asccc against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0b101010%2Fasccc" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0b101010/asccc on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0b101010/asccc
[INFO] finished tweaking git repo https://github.com/0b101010/asccc
[INFO] tweaked toml for git repo https://github.com/0b101010/asccc written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/0b101010/asccc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2de55a1612a84299351897506786ccccd938b2c0d81c502aac536a28758b060c
[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" "2de55a1612a84299351897506786ccccd938b2c0d81c502aac536a28758b060c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2de55a1612a84299351897506786ccccd938b2c0d81c502aac536a28758b060c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de55a1612a84299351897506786ccccd938b2c0d81c502aac536a28758b060c", kill_on_drop: false }`
[INFO] [stdout] 2de55a1612a84299351897506786ccccd938b2c0d81c502aac536a28758b060c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 2be37763ecb9d02ea314c4669b4f536a10b9367525e33ba4b18130ef63ced849
[INFO] running `Command { std: "docker" "start" "-a" "2be37763ecb9d02ea314c4669b4f536a10b9367525e33ba4b18130ef63ced849", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling half v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling bincode v0.3.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling mio v0.5.1
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling coap v0.7.4
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde-transcode v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling asccc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:97:54
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stdout]    |                                                      ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 - fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stdout] 97 + fn coap_message_to_string(message: Packet) -> Result<String, failure::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "2be37763ecb9d02ea314c4669b4f536a10b9367525e33ba4b18130ef63ced849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be37763ecb9d02ea314c4669b4f536a10b9367525e33ba4b18130ef63ced849", kill_on_drop: false }`
[INFO] [stdout] 2be37763ecb9d02ea314c4669b4f536a10b9367525e33ba4b18130ef63ced849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b01bcf214b968b9d21821312da7fc8379ec6ee8d4c3ce75af6cfbbf5819db8
[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" "20b01bcf214b968b9d21821312da7fc8379ec6ee8d4c3ce75af6cfbbf5819db8", kill_on_drop: false }`
[INFO] [stderr]    Compiling asccc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:97:54
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stdout]    |                                                      ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 97 - fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stdout] 97 + fn coap_message_to_string(message: Packet) -> Result<String, failure::Error> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "20b01bcf214b968b9d21821312da7fc8379ec6ee8d4c3ce75af6cfbbf5819db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b01bcf214b968b9d21821312da7fc8379ec6ee8d4c3ce75af6cfbbf5819db8", kill_on_drop: false }`
[INFO] [stdout] 20b01bcf214b968b9d21821312da7fc8379ec6ee8d4c3ce75af6cfbbf5819db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61e918265ad693444fa24e38ebad576e94e41b70ba74140abbe9c1dfda124fef
[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" "61e918265ad693444fa24e38ebad576e94e41b70ba74140abbe9c1dfda124fef", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:97:54
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stderr]    |                                                      ^      ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 97 - fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stderr] 97 + fn coap_message_to_string(message: Packet) -> Result<String, failure::Error> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `asccc` (bin "asccc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/asccc-c364d08c4c426411)
[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" "61e918265ad693444fa24e38ebad576e94e41b70ba74140abbe9c1dfda124fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e918265ad693444fa24e38ebad576e94e41b70ba74140abbe9c1dfda124fef", kill_on_drop: false }`
[INFO] [stdout] 61e918265ad693444fa24e38ebad576e94e41b70ba74140abbe9c1dfda124fef