[INFO] fetching crate rand-bytes 0.2.0...
[INFO] checking rand-bytes-0.2.0 against beta for pr-78714
[INFO] extracting crate rand-bytes 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rand-bytes 0.2.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rand-bytes 0.2.0
[INFO] finished tweaking crates.io crate rand-bytes 0.2.0
[INFO] tweaked toml for crates.io crate rand-bytes 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 5b2aa1f4188eae5f5d78ce5954e2cbb57da939fd63a3ce1d739d312c4ebf77dc
[INFO] running `Command { std: "docker" "start" "-a" "5b2aa1f4188eae5f5d78ce5954e2cbb57da939fd63a3ce1d739d312c4ebf77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b2aa1f4188eae5f5d78ce5954e2cbb57da939fd63a3ce1d739d312c4ebf77dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b2aa1f4188eae5f5d78ce5954e2cbb57da939fd63a3ce1d739d312c4ebf77dc", kill_on_drop: false }`
[INFO] [stdout] 5b2aa1f4188eae5f5d78ce5954e2cbb57da939fd63a3ce1d739d312c4ebf77dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b88f067c84afa85f3a7d250cf1bb7803578a1ef256e24b850f1c74ea56288a1
[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" "8b88f067c84afa85f3a7d250cf1bb7803578a1ef256e24b850f1c74ea56288a1", 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 ring v0.13.5
[INFO] [stderr]     Checking rand-bytes v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn rng() -> &'static SecureRandom {
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SecureRandom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:49
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_writer<'a>(path: Option<&'a str>) -> Box<Write> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:64:93
[INFO] [stdout]    |
[INFO] [stdout] 64 |         path.map(|path| Box::new(File::create(path).expect("Unable to create file")) as Box<Write>)
[INFO] [stdout]    |                                                                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |             .unwrap_or_else(|| Box::new(io::stdout()) as Box<Write>);
[INFO] [stdout]    |                                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref RANDOM: SystemRandom = SystemRandom::new();
[INFO] [stdout] 51 | |     }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn rng() -> &'static SecureRandom {
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: use `dyn`: `dyn SecureRandom`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:62:49
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn get_writer<'a>(path: Option<&'a str>) -> Box<Write> {
[INFO] [stdout]    |                                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:64:93
[INFO] [stdout]    |
[INFO] [stdout] 64 |         path.map(|path| Box::new(File::create(path).expect("Unable to create file")) as Box<Write>)
[INFO] [stdout]    |                                                                                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:65:62
[INFO] [stdout]    |
[INFO] [stdout] 65 |             .unwrap_or_else(|| Box::new(io::stdout()) as Box<Write>);
[INFO] [stdout]    |                                                              ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     lazy_static! {
[INFO] [stdout] 50 | |         static ref RANDOM: SystemRandom = SystemRandom::new();
[INFO] [stdout] 51 | |     }
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "8b88f067c84afa85f3a7d250cf1bb7803578a1ef256e24b850f1c74ea56288a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b88f067c84afa85f3a7d250cf1bb7803578a1ef256e24b850f1c74ea56288a1", kill_on_drop: false }`
[INFO] [stdout] 8b88f067c84afa85f3a7d250cf1bb7803578a1ef256e24b850f1c74ea56288a1