[INFO] fetching crate set-encoding 0.2.0...
[INFO] checking set-encoding-0.2.0 against beta for pr-78714
[INFO] extracting crate set-encoding 0.2.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate set-encoding 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 set-encoding 0.2.0
[INFO] finished tweaking crates.io crate set-encoding 0.2.0
[INFO] tweaked toml for crates.io crate set-encoding 0.2.0 written to /workspace/builds/worker-11/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] [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fff31b6e91110a8df0adc943dc51019ff40b559d622174758337f3b9a04c26d0
[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" "fff31b6e91110a8df0adc943dc51019ff40b559d622174758337f3b9a04c26d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fff31b6e91110a8df0adc943dc51019ff40b559d622174758337f3b9a04c26d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fff31b6e91110a8df0adc943dc51019ff40b559d622174758337f3b9a04c26d0", kill_on_drop: false }`
[INFO] [stdout] fff31b6e91110a8df0adc943dc51019ff40b559d622174758337f3b9a04c26d0
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a082d7bcf127197528adcfe806ec623a46728b556b879e8e6d43b5053ecdb4f0
[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" "a082d7bcf127197528adcfe806ec623a46728b556b879e8e6d43b5053ecdb4f0", kill_on_drop: false }`
[INFO] [stderr]     Checking int v0.3.0
[INFO] [stderr]     Checking base2 v0.3.1
[INFO] [stderr]     Checking bitrw v0.8.3
[INFO] [stderr]     Checking tbe v0.3.3
[INFO] [stderr]     Checking set-encoding v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(self, size: Self::T, f: &mut FnMut(&mut Self::B) -> std::io::Result<()>) -> std::io::Result<Self::S>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self::B) -> std::io::Result<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::cast::AsPrimitive`
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             use num_traits::cast::AsPrimitive;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn new(self, size: Self::T, f: &mut FnMut(&mut Self::B) -> std::io::Result<()>) -> std::io::Result<Self::S>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self::B) -> std::io::Result<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits::cast::AsPrimitive`
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |             use num_traits::cast::AsPrimitive;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/example.rs:52:41
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn new(self, size: Self::T, f: &mut FnMut(&mut Self::B) -> std::io::Result<()>) -> std::io::Result<Self::S> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self::B) -> std::io::Result<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "a082d7bcf127197528adcfe806ec623a46728b556b879e8e6d43b5053ecdb4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a082d7bcf127197528adcfe806ec623a46728b556b879e8e6d43b5053ecdb4f0", kill_on_drop: false }`
[INFO] [stdout] a082d7bcf127197528adcfe806ec623a46728b556b879e8e6d43b5053ecdb4f0