[INFO] fetching crate leb128 0.2.4...
[INFO] checking leb128-0.2.4 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate leb128 0.2.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate leb128 0.2.4 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 leb128 0.2.4
[INFO] finished tweaking crates.io crate leb128 0.2.4
[INFO] tweaked toml for crates.io crate leb128 0.2.4 written to /workspace/builds/worker-11/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9847c79c75e5336422c5e0485cf609969b4ffcc764ef28ad973b9429c0feb2fe
[INFO] running `Command { std: "docker" "start" "-a" "9847c79c75e5336422c5e0485cf609969b4ffcc764ef28ad973b9429c0feb2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9847c79c75e5336422c5e0485cf609969b4ffcc764ef28ad973b9429c0feb2fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9847c79c75e5336422c5e0485cf609969b4ffcc764ef28ad973b9429c0feb2fe", kill_on_drop: false }`
[INFO] [stdout] 9847c79c75e5336422c5e0485cf609969b4ffcc764ef28ad973b9429c0feb2fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 48c2c88f08d74c94a3bf3f2cc02cc3a9f606129edee0140976debaf5c47da9bd
[INFO] running `Command { std: "docker" "start" "-a" "48c2c88f08d74c94a3bf3f2cc02cc3a9f606129edee0140976debaf5c47da9bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking leb128 v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:36
[INFO] [stdout]     |
[INFO] [stdout] 104 |         fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 ::std::error::Error::description(self)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:99:44
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Error::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/bench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:153:13
[INFO] [stdout]     |
[INFO] [stdout] 153 |             try!(r.read_exact(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leb128`.
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:232:13
[INFO] [stdout]     |
[INFO] [stdout] 232 |             try!(w.write_all(&buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:104:36
[INFO] [stdout]     |
[INFO] [stdout] 104 |         fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |                 ::std::error::Error::description(self)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:99:44
[INFO] [stdout]    |
[INFO] [stdout] 99 |                 Error::IoError(ref e) => e.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "48c2c88f08d74c94a3bf3f2cc02cc3a9f606129edee0140976debaf5c47da9bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c2c88f08d74c94a3bf3f2cc02cc3a9f606129edee0140976debaf5c47da9bd", kill_on_drop: false }`
[INFO] [stdout] 48c2c88f08d74c94a3bf3f2cc02cc3a9f606129edee0140976debaf5c47da9bd
