[INFO] fetching crate crypt3 0.1.0...
[INFO] checking crypt3-0.1.0 against beta for pr-78714
[INFO] extracting crate crypt3 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate crypt3 0.1.0 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 crypt3 0.1.0
[INFO] finished tweaking crates.io crate crypt3 0.1.0
[INFO] tweaked toml for crates.io crate crypt3 0.1.0 written to /workspace/builds/worker-6/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-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/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] 14ef1d7319ef043691aaeb13424c7c97b4dc132a8f820b503a4cb549424ddde5
[INFO] running `Command { std: "docker" "start" "-a" "14ef1d7319ef043691aaeb13424c7c97b4dc132a8f820b503a4cb549424ddde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14ef1d7319ef043691aaeb13424c7c97b4dc132a8f820b503a4cb549424ddde5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ef1d7319ef043691aaeb13424c7c97b4dc132a8f820b503a4cb549424ddde5", kill_on_drop: false }`
[INFO] [stdout] 14ef1d7319ef043691aaeb13424c7c97b4dc132a8f820b503a4cb549424ddde5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 6f8c4d2611072c52257244827400cdc3f02d020372b73040080ff04ad951f5f9
[INFO] running `Command { std: "docker" "start" "-a" "6f8c4d2611072c52257244827400cdc3f02d020372b73040080ff04ad951f5f9", kill_on_drop: false }`
[INFO] [stderr]     Checking crypt3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn crypt<'a>(password: &'a [u8], salt: &'a [u8]) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 | ) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let digest: Result<Encrypted, Box<Error>> = match algorithm.0 {
[INFO] [stdout]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:51:77
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn crypt<'a>(password: &'a [u8], salt: &'a [u8]) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[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/lib.rs:69:26
[INFO] [stdout]    |
[INFO] [stdout] 69 | ) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stdout]    |                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let digest: Result<Encrypted, Box<Error>> = match algorithm.0 {
[INFO] [stdout]    |                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6f8c4d2611072c52257244827400cdc3f02d020372b73040080ff04ad951f5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8c4d2611072c52257244827400cdc3f02d020372b73040080ff04ad951f5f9", kill_on_drop: false }`
[INFO] [stdout] 6f8c4d2611072c52257244827400cdc3f02d020372b73040080ff04ad951f5f9