[INFO] fetching crate kv_cab 0.6.0...
[INFO] checking kv_cab-0.6.0 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate kv_cab 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kv_cab 0.6.0 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kv_cab 0.6.0
[INFO] finished tweaking crates.io crate kv_cab 0.6.0
[INFO] tweaked toml for crates.io crate kv_cab 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v0.7.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b267254bcbf178afd01e98b4dc4c93e5ccc71c3db205707462587037a67420d6
[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" "b267254bcbf178afd01e98b4dc4c93e5ccc71c3db205707462587037a67420d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b267254bcbf178afd01e98b4dc4c93e5ccc71c3db205707462587037a67420d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b267254bcbf178afd01e98b4dc4c93e5ccc71c3db205707462587037a67420d6", kill_on_drop: false }`
[INFO] [stdout] b267254bcbf178afd01e98b4dc4c93e5ccc71c3db205707462587037a67420d6
[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=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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c6d90d887f14bbdb49ff0be2b0f9d9a5c8006efd767d7377086a27380f4c664
[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" "0c6d90d887f14bbdb49ff0be2b0f9d9a5c8006efd767d7377086a27380f4c664", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking bincode v0.7.0
[INFO] [stderr]     Checking kv_cab v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 181 |                     last_retry!(i, return Err(KVError::CouldntOpen));
[INFO] [stdout]     |                     ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 254 |                 last_retry!(i, return Err(KVError::CouldntWriteLock));
[INFO] [stdout]     |                 ------------------------------------------------------ in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 270 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stdout]     |                 -------------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 277 |                 last_retry!(i, return Err(KVError::CouldntWrite));
[INFO] [stdout]     |                 -------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 284 |                 last_retry!(i, return Err(KVError::CouldntFlush));
[INFO] [stdout]     |                 -------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 291 |                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stdout]     |                 --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 317 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stdout]     |                 -------------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 329 |                                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stdout]     |                                 --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 349 |                             last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stdout]     |                             --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 356 |                     last_retry!(i, return Err(KVError::CouldntDecode));
[INFO] [stdout]     |                     --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 181 |                     last_retry!(i, return Err(KVError::CouldntOpen));
[INFO] [stdout]     |                     ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 254 |                 last_retry!(i, return Err(KVError::CouldntWriteLock));
[INFO] [stdout]     |                 ------------------------------------------------------ in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 270 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stdout]     |                 -------------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 277 |                 last_retry!(i, return Err(KVError::CouldntWrite));
[INFO] [stdout]     |                 -------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 284 |                 last_retry!(i, return Err(KVError::CouldntFlush));
[INFO] [stdout]     |                 -------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 291 |                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stdout]     |                 --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 317 |                 last_retry!(i, return Err(KVError::CouldntSeekToStart));
[INFO] [stdout]     |                 -------------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 329 |                                 last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stdout]     |                                 --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 349 |                             last_retry!(i, return Err(KVError::CouldntUnlock));
[INFO] [stdout]     |                             --------------------------------------------------- in this macro invocation
[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] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:99:15
[INFO] [stdout]     |
[INFO] [stdout] 99  |             $b;
[INFO] [stdout]     |               ^ help: remove this semicolon
[INFO] [stdout] ...
[INFO] [stdout] 356 |                     last_retry!(i, return Err(KVError::CouldntDecode));
[INFO] [stdout]     |                     --------------------------------------------------- in this macro invocation
[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] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/benches.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[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 `kv_cab`.
[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" "0c6d90d887f14bbdb49ff0be2b0f9d9a5c8006efd767d7377086a27380f4c664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c6d90d887f14bbdb49ff0be2b0f9d9a5c8006efd767d7377086a27380f4c664", kill_on_drop: false }`
[INFO] [stdout] 0c6d90d887f14bbdb49ff0be2b0f9d9a5c8006efd767d7377086a27380f4c664
