[INFO] cloning repository https://github.com/bokuweb/wu-diff-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bokuweb/wu-diff-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbokuweb%2Fwu-diff-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbokuweb%2Fwu-diff-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 442be7095f7ef710c6ef74c004a54940917d7143
[INFO] testing bokuweb/wu-diff-rs against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbokuweb%2Fwu-diff-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bokuweb/wu-diff-rs on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bokuweb/wu-diff-rs
[INFO] finished tweaking git repo https://github.com/bokuweb/wu-diff-rs
[INFO] tweaked toml for git repo https://github.com/bokuweb/wu-diff-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bokuweb/wu-diff-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded thread-scoped v1.0.2
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[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
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[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded simplelog v0.5.1
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded syn v0.13.1
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[INFO] [stderr]   Downloaded serde v1.0.42
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[INFO] [stderr]   Downloaded criterion v0.2.3
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[INFO] [stderr]   Downloaded regex-syntax v0.6.1
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[INFO] [stderr]   Downloaded clippy v0.0.209
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded num-integer v0.1.36
[INFO] [stderr]   Downloaded num-traits v0.2.2
[INFO] [stderr]   Downloaded num-iter v0.1.35
[INFO] [stderr]   Downloaded if_chain v0.1.2
[INFO] [stderr]   Downloaded getopts v0.2.17
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded cc v1.0.10
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.1
[INFO] [stderr]   Downloaded aho-corasick v0.6.4
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded criterion-plot v0.2.3
[INFO] [stderr]   Downloaded pest_derive v1.0.7
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded handlebars v0.31.0
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded term v0.5.1
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded image v0.18.0
[INFO] [stderr]   Downloaded backtrace v0.3.6
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e187d23262fc5e1b17dd6658b93f4ce300ffff2dbbb5713785b69e27e9013aa
[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" "7e187d23262fc5e1b17dd6658b93f4ce300ffff2dbbb5713785b69e27e9013aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e187d23262fc5e1b17dd6658b93f4ce300ffff2dbbb5713785b69e27e9013aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e187d23262fc5e1b17dd6658b93f4ce300ffff2dbbb5713785b69e27e9013aa", kill_on_drop: false }`
[INFO] [stdout] 7e187d23262fc5e1b17dd6658b93f4ce300ffff2dbbb5713785b69e27e9013aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ad6ff16bf7adf50695a4baf0d7ae1c4d6e7854821bd663c7444cc6da292228b
[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" "2ad6ff16bf7adf50695a4baf0d7ae1c4d6e7854821bd663c7444cc6da292228b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wu-diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "2ad6ff16bf7adf50695a4baf0d7ae1c4d6e7854821bd663c7444cc6da292228b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ad6ff16bf7adf50695a4baf0d7ae1c4d6e7854821bd663c7444cc6da292228b", kill_on_drop: false }`
[INFO] [stdout] 2ad6ff16bf7adf50695a4baf0d7ae1c4d6e7854821bd663c7444cc6da292228b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bb3e7ff7f57b4a7dbb00c341162fe74a661c11d48166d42e259595b82002c75
[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" "3bb3e7ff7f57b4a7dbb00c341162fe74a661c11d48166d42e259595b82002c75", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde v1.0.42
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.9
[INFO] [stderr]    Compiling base64 v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling criterion-plot v0.2.3
[INFO] [stderr]    Compiling itertools-num v0.1.1
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling criterion-stats v0.2.3
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling pest_derive v1.0.7
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling simplelog v0.5.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.42
[INFO] [stderr]    Compiling serde_json v1.0.16
[INFO] [stderr]    Compiling handlebars v0.31.0
[INFO] [stderr]    Compiling backtrace v0.3.6
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling criterion v0.2.3
[INFO] [stderr]    Compiling wu-diff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> tests/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extern_prelude)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wu-diff`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3bb3e7ff7f57b4a7dbb00c341162fe74a661c11d48166d42e259595b82002c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb3e7ff7f57b4a7dbb00c341162fe74a661c11d48166d42e259595b82002c75", kill_on_drop: false }`
[INFO] [stdout] 3bb3e7ff7f57b4a7dbb00c341162fe74a661c11d48166d42e259595b82002c75
