[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0b101010%2Fasccc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0b101010/asccc on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-1/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" "+beta-2021-09-08" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.15
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded structopt-derive v0.2.15
[INFO] [stderr]   Downloaded structopt v0.2.15
[INFO] [stderr]   Downloaded regex v1.1.5
[INFO] [stderr]   Downloaded syn v0.15.30
[INFO] [stderr]   Downloaded serde-transcode v1.1.0
[INFO] [stderr]   Downloaded coap v0.7.4
[INFO] [stderr]   Downloaded bincode v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9b206847828605daca281e55f6ca092f90dcc51fd449fc53247e9d5807d7c1
[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" "dc9b206847828605daca281e55f6ca092f90dcc51fd449fc53247e9d5807d7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9b206847828605daca281e55f6ca092f90dcc51fd449fc53247e9d5807d7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9b206847828605daca281e55f6ca092f90dcc51fd449fc53247e9d5807d7c1", kill_on_drop: false }`
[INFO] [stdout] dc9b206847828605daca281e55f6ca092f90dcc51fd449fc53247e9d5807d7c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63d1069b988af32dc1bb4514e331acb095f33d5bf0e3e917ff62653b1111aed7
[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" "63d1069b988af32dc1bb4514e331acb095f33d5bf0e3e917ff62653b1111aed7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bytes v0.3.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling slab v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling half v1.3.0
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling bincode v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling nix v0.5.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling miow v0.1.5
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling url v1.7.2
[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 serde_json v1.0.39
[INFO] [stderr]    Compiling serde-transcode v1.1.0
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling exitfailure v0.5.1
[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]    |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 50.88s
[INFO] running `Command { std: "docker" "inspect" "63d1069b988af32dc1bb4514e331acb095f33d5bf0e3e917ff62653b1111aed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d1069b988af32dc1bb4514e331acb095f33d5bf0e3e917ff62653b1111aed7", kill_on_drop: false }`
[INFO] [stdout] 63d1069b988af32dc1bb4514e331acb095f33d5bf0e3e917ff62653b1111aed7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50108c4e4c27b8add228370d3f11584fcfb9f0a0927a6a7fad38e2a79fd642b8
[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" "50108c4e4c27b8add228370d3f11584fcfb9f0a0927a6a7fad38e2a79fd642b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]    |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` 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 1.69s
[INFO] running `Command { std: "docker" "inspect" "50108c4e4c27b8add228370d3f11584fcfb9f0a0927a6a7fad38e2a79fd642b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50108c4e4c27b8add228370d3f11584fcfb9f0a0927a6a7fad38e2a79fd642b8", kill_on_drop: false }`
[INFO] [stdout] 50108c4e4c27b8add228370d3f11584fcfb9f0a0927a6a7fad38e2a79fd642b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 252d1e9ba6aa6f946b955a79d2f5433ee83f5a14a6a1b38fd02c7a2dbb541ec4
[INFO] running `Command { std: "docker" "start" "-a" "252d1e9ba6aa6f946b955a79d2f5433ee83f5a14a6a1b38fd02c7a2dbb541ec4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:97:54
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 97 | fn coap_message_to_string(message: Packet) -> Result<(String), failure::Error> {
[INFO] [stdout] 
[INFO] [stderr]    |                                                      ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `asccc` (bin "asccc" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/asccc-5cb644acce5e293e)
[INFO] running `Command { std: "docker" "inspect" "252d1e9ba6aa6f946b955a79d2f5433ee83f5a14a6a1b38fd02c7a2dbb541ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252d1e9ba6aa6f946b955a79d2f5433ee83f5a14a6a1b38fd02c7a2dbb541ec4", kill_on_drop: false }`
[INFO] [stdout] 252d1e9ba6aa6f946b955a79d2f5433ee83f5a14a6a1b38fd02c7a2dbb541ec4