[INFO] cloning repository https://github.com/justinbarclay/access_rc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinbarclay/access_rc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Faccess_rc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Faccess_rc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12a7431a1e29f26d8cff54c8088c2a2e0b9ecf5b
[INFO] checking justinbarclay/access_rc against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinbarclay%2Faccess_rc" "/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/justinbarclay/access_rc 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/justinbarclay/access_rc
[INFO] finished tweaking git repo https://github.com/justinbarclay/access_rc
[INFO] tweaked toml for git repo https://github.com/justinbarclay/access_rc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/justinbarclay/access_rc 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] 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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee3e61e7319108ae84a35d588a2bed38cb185ef20b3d09d63d12aa499e4ae9c5
[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" "ee3e61e7319108ae84a35d588a2bed38cb185ef20b3d09d63d12aa499e4ae9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee3e61e7319108ae84a35d588a2bed38cb185ef20b3d09d63d12aa499e4ae9c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3e61e7319108ae84a35d588a2bed38cb185ef20b3d09d63d12aa499e4ae9c5", kill_on_drop: false }`
[INFO] [stdout] ee3e61e7319108ae84a35d588a2bed38cb185ef20b3d09d63d12aa499e4ae9c5
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5522b63b112006515ab41fc6731df6d3457643ee33a628fac8d1be677b4a5a50
[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" "5522b63b112006515ab41fc6731df6d3457643ee33a628fac8d1be677b4a5a50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling bindgen v0.48.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling emacs-macros v0.11.0
[INFO] [stderr]    Compiling emacs_module v0.10.0
[INFO] [stderr]     Checking emacs v0.11.0
[INFO] [stderr]     Checking access-rc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sub_str`
[INFO] [stdout]   --> src/lib.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   sub_str: Cow<'a, str>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]   --> src/lib.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   foo: SharedFoo,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/lib.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   raw: RawBar
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sub_str`
[INFO] [stdout]   --> src/lib.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   sub_str: Cow<'a, str>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `foo`
[INFO] [stdout]   --> src/lib.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 |   foo: SharedFoo,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `raw`
[INFO] [stdout]   --> src/lib.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   raw: RawBar
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "5522b63b112006515ab41fc6731df6d3457643ee33a628fac8d1be677b4a5a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5522b63b112006515ab41fc6731df6d3457643ee33a628fac8d1be677b4a5a50", kill_on_drop: false }`
[INFO] [stdout] 5522b63b112006515ab41fc6731df6d3457643ee33a628fac8d1be677b4a5a50