[INFO] cloning repository https://github.com/durka/karaconv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/durka/karaconv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ecf007615afae1effa1dc506bf9797d4005687d
[INFO] checking durka/karaconv against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdurka%2Fkaraconv" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/durka/karaconv on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/durka/karaconv
[INFO] finished tweaking git repo https://github.com/durka/karaconv
[INFO] tweaked toml for git repo https://github.com/durka/karaconv written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/durka/karaconv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 62b9e3dd4bda84bcc58b12062376ac852939ef136b784f679e3b3a7b8dfbae35
[INFO] running `Command { std: "docker" "start" "-a" "62b9e3dd4bda84bcc58b12062376ac852939ef136b784f679e3b3a7b8dfbae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62b9e3dd4bda84bcc58b12062376ac852939ef136b784f679e3b3a7b8dfbae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b9e3dd4bda84bcc58b12062376ac852939ef136b784f679e3b3a7b8dfbae35", kill_on_drop: false }`
[INFO] [stdout] 62b9e3dd4bda84bcc58b12062376ac852939ef136b784f679e3b3a7b8dfbae35
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ed8a553dba7951b379b16c438452a7d0280bc223b4413618cabe7f76108c627
[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" "4ed8a553dba7951b379b16c438452a7d0280bc223b4413618cabe7f76108c627", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking num-traits v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling regex v0.2.9
[INFO] [stderr]    Compiling karaconv v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking itertools v0.7.7
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking remove_dir_all v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking tempdir v0.3.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling serde_derive_internals v0.20.0
[INFO] [stderr]    Compiling structopt-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.30
[INFO] [stderr]     Checking structopt v0.2.5
[INFO] [stderr]     Checking serde v1.0.30
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking serde-xml-rs v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.11
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate structopt;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] extern crate structopt;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.29s
[INFO] running `Command { std: "docker" "inspect" "4ed8a553dba7951b379b16c438452a7d0280bc223b4413618cabe7f76108c627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ed8a553dba7951b379b16c438452a7d0280bc223b4413618cabe7f76108c627", kill_on_drop: false }`
[INFO] [stdout] 4ed8a553dba7951b379b16c438452a7d0280bc223b4413618cabe7f76108c627