[INFO] cloning repository https://github.com/cmbrandenburg/rss2email
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cmbrandenburg/rss2email" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Frss2email", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Frss2email'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b76acd0f8489f3580b39c0ebbce16be3dd46b832
[INFO] testing cmbrandenburg/rss2email against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcmbrandenburg%2Frss2email" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cmbrandenburg/rss2email on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cmbrandenburg/rss2email
[INFO] finished tweaking git repo https://github.com/cmbrandenburg/rss2email
[INFO] tweaked toml for git repo https://github.com/cmbrandenburg/rss2email written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/cmbrandenburg/rss2email already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.4
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded schannel v0.1.5
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded foreign-types v0.2.0
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded email v0.0.17
[INFO] [stderr]   Downloaded futures v0.1.14
[INFO] [stderr]   Downloaded atom_syndication v0.5.4
[INFO] [stderr]   Downloaded reqwest v0.6.2
[INFO] [stderr]   Downloaded idna v0.1.2
[INFO] [stderr]   Downloaded rmp v0.8.6
[INFO] [stderr]   Downloaded serde_derive v1.0.8
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded pkg-config v0.3.9
[INFO] [stderr]   Downloaded secur32-sys v0.2.0
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded chrono v0.3.0
[INFO] [stderr]   Downloaded derive_builder_core v0.1.7
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded uuid v0.4.0
[INFO] [stderr]   Downloaded error-chain v0.10.0
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.5
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded clap v2.26.0
[INFO] [stderr]   Downloaded textwrap v0.7.0
[INFO] [stderr]   Downloaded version_check v0.1.2
[INFO] [stderr]   Downloaded chrono v0.4.0
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.14
[INFO] [stderr]   Downloaded quick-xml v0.8.1
[INFO] [stderr]   Downloaded escapade v0.0.3
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.1
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded openssl v0.9.14
[INFO] [stderr]   Downloaded pulldown-cmark v0.0.3
[INFO] [stderr]   Downloaded rss v0.7.0
[INFO] [stderr]   Downloaded rmp-serde v0.13.6
[INFO] [stderr]   Downloaded derive_builder v0.5.0
[INFO] [stderr]   Downloaded num_cpus v1.5.1
[INFO] [stderr]   Downloaded num-traits v0.1.39
[INFO] [stderr]   Downloaded skeptic v0.6.1
[INFO] [stderr]   Downloaded libflate v0.1.7
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded native-tls v0.1.2
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded hyper v0.10.12
[INFO] [stderr]   Downloaded itoa v0.3.1
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded security-framework-sys v0.1.14
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.2
[INFO] [stderr]   Downloaded crypt32-sys v0.2.0
[INFO] [stderr]   Downloaded security-framework v0.1.14
[INFO] [stderr]   Downloaded cfg-if v0.1.1
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] [stderr]   Downloaded encoding_rs v0.6.11
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded quick-xml v0.7.3
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded lettre v0.6.2
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.1
[INFO] [stderr]   Downloaded matches v0.1.6
[INFO] [stderr]   Downloaded percent-encoding v1.0.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.18
[INFO] [stderr]   Downloaded backtrace v0.3.2
[INFO] [stderr]   Downloaded url v1.5.0
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded hyper-native-tls v0.2.4
[INFO] [stderr]   Downloaded dtoa v0.4.1
[INFO] [stderr]   Downloaded unicode-bidi v0.3.3
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded advapi32-sys v0.2.0
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f32749c6a4518c8169fd6049f7fcf884baa9bb7dca4f917ef15fc981bdbd28d6
[INFO] running `Command { std: "docker" "start" "-a" "f32749c6a4518c8169fd6049f7fcf884baa9bb7dca4f917ef15fc981bdbd28d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f32749c6a4518c8169fd6049f7fcf884baa9bb7dca4f917ef15fc981bdbd28d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32749c6a4518c8169fd6049f7fcf884baa9bb7dca4f917ef15fc981bdbd28d6", kill_on_drop: false }`
[INFO] [stdout] f32749c6a4518c8169fd6049f7fcf884baa9bb7dca4f917ef15fc981bdbd28d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 3d1dda31e3058c4e4bf1a424a339aef6bd2b2c72868110d1d8024effd5d4e64b
[INFO] running `Command { std: "docker" "start" "-a" "3d1dda31e3058c4e4bf1a424a339aef6bd2b2c72868110d1d8024effd5d4e64b", 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]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling cfg-if v0.1.1
[INFO] [stderr]    Compiling version_check v0.1.2
[INFO] [stderr]    Compiling serde v1.0.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling openssl v0.9.14
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling foreign-types v0.2.0
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling derive_builder v0.5.0
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling httparse v1.2.3
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.0
[INFO] [stderr]    Compiling bufstream v0.1.3
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling encoding_rs v0.6.11
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stdout] error[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stdout]      |
[INFO] [stdout] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stdout]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stdout] ...
[INFO] [stdout] 959  |         state = match (state, whitespace, limit) {
[INFO] [stdout]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stdout] ...
[INFO] [stdout] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stdout]      |                                 ^ use of borrowed `state`
[INFO] [stdout] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stdout]      |         ------- borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0503`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `getopts`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/encoding_rs-0.6.11/src/utf_16.rs:33:44
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn additional_from_state(&self) -> usize() {
[INFO] [stdout]    |                                            ^^^^^^^ only `Fn` traits may use parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0214`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3d1dda31e3058c4e4bf1a424a339aef6bd2b2c72868110d1d8024effd5d4e64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1dda31e3058c4e4bf1a424a339aef6bd2b2c72868110d1d8024effd5d4e64b", kill_on_drop: false }`
[INFO] [stdout] 3d1dda31e3058c4e4bf1a424a339aef6bd2b2c72868110d1d8024effd5d4e64b