[INFO] fetching crate nucleic-acid 0.1.1...
[INFO] checking nucleic-acid-0.1.1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate nucleic-acid 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nucleic-acid 0.1.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nucleic-acid 0.1.1
[INFO] finished tweaking crates.io crate nucleic-acid 0.1.1
[INFO] tweaked toml for crates.io crate nucleic-acid 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 8bad3c01c4c975d095b2c903a04d833371706f4144f76435989e59d8c70a31bf
[INFO] running `Command { std: "docker" "start" "-a" "8bad3c01c4c975d095b2c903a04d833371706f4144f76435989e59d8c70a31bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bad3c01c4c975d095b2c903a04d833371706f4144f76435989e59d8c70a31bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bad3c01c4c975d095b2c903a04d833371706f4144f76435989e59d8c70a31bf", kill_on_drop: false }`
[INFO] [stdout] 8bad3c01c4c975d095b2c903a04d833371706f4144f76435989e59d8c70a31bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c1d263a7693f1a215455d4e9e2fa497cbcf837858fe759c289bd4355b376771
[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" "5c1d263a7693f1a215455d4e9e2fa497cbcf837858fe759c289bd4355b376771", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking nucleic-acid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/bwt.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/bits_vec.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> benches/bwt.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     static ref DATA: Vec<u8> = {
[INFO] [stdout] 15 | |         let mut rng = rand::thread_rng();
[INFO] [stdout] 16 | |         let bases = vec![65, 67, 71, 84];
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> benches/bwt.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / lazy_static! {
[INFO] [stdout] 14 | |     static ref DATA: Vec<u8> = {
[INFO] [stdout] 15 | |         let mut rng = rand::thread_rng();
[INFO] [stdout] 16 | |         let bases = vec![65, 67, 71, 84];
[INFO] [stdout] ...  |
[INFO] [stdout] 24 | |     };
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `nucleic-acid`.
[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: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5c1d263a7693f1a215455d4e9e2fa497cbcf837858fe759c289bd4355b376771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c1d263a7693f1a215455d4e9e2fa497cbcf837858fe759c289bd4355b376771", kill_on_drop: false }`
[INFO] [stdout] 5c1d263a7693f1a215455d4e9e2fa497cbcf837858fe759c289bd4355b376771
