[INFO] fetching crate downify 0.2.1...
[INFO] checking downify-0.2.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate downify 0.2.1 into /workspace/builds/worker-69/source
[INFO] validating manifest of crates.io crate downify 0.2.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate downify 0.2.1
[INFO] finished tweaking crates.io crate downify 0.2.1
[INFO] tweaked toml for crates.io crate downify 0.2.1 written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7fc97492c5f7c6882a5659d4c4caebc9ce66e23acb75cff11aa800b930bf507
[INFO] running `Command { std: "docker" "start" "-a" "f7fc97492c5f7c6882a5659d4c4caebc9ce66e23acb75cff11aa800b930bf507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7fc97492c5f7c6882a5659d4c4caebc9ce66e23acb75cff11aa800b930bf507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7fc97492c5f7c6882a5659d4c4caebc9ce66e23acb75cff11aa800b930bf507", kill_on_drop: false }`
[INFO] [stdout] f7fc97492c5f7c6882a5659d4c4caebc9ce66e23acb75cff11aa800b930bf507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61079b2868671ddfe3f98efb29a12ca0ce2ebed5b62a8a2c4edcfa867c02c5fe
[INFO] running `Command { std: "docker" "start" "-a" "61079b2868671ddfe3f98efb29a12ca0ce2ebed5b62a8a2c4edcfa867c02c5fe", 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]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]     Checking downify v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |                chunksize: usize) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn step(&mut self) -> Result<Progress, Box<Error>> {
[INFO] [stdout]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |                chunksize: usize) -> Result<Self, Box<Error>> {
[INFO] [stdout]    |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn step(&mut self) -> Result<Progress, Box<Error>> {
[INFO] [stdout]    |                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `Signature`
[INFO] [stdout]    --> src/lib.rs:140:46
[INFO] [stdout]     |
[INFO] [stdout] 140 |     format!("DYG1{}", base64::encode_config(&signature[..], URL_SAFE_NO_PAD))
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0608]: cannot index into a value of type `Signature`
[INFO] [stdout]    --> src/lib.rs:140:46
[INFO] [stdout]     |
[INFO] [stdout] 140 |     format!("DYG1{}", base64::encode_config(&signature[..], URL_SAFE_NO_PAD))
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `Signature` in the current scope
[INFO] [stdout]    --> src/lib.rs:221:39
[INFO] [stdout]     |
[INFO] [stdout] 221 |         "DYG1" => ed25519::Signature::from_slice(
[INFO] [stdout]     |                                       ^^^^^^^^^^ function or associated item not found in `Signature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0608.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `downify` due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `from_slice` found for struct `Signature` in the current scope
[INFO] [stdout]    --> src/lib.rs:221:39
[INFO] [stdout]     |
[INFO] [stdout] 221 |         "DYG1" => ed25519::Signature::from_slice(
[INFO] [stdout]     |                                       ^^^^^^^^^^ function or associated item not found in `Signature`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0608.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "61079b2868671ddfe3f98efb29a12ca0ce2ebed5b62a8a2c4edcfa867c02c5fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61079b2868671ddfe3f98efb29a12ca0ce2ebed5b62a8a2c4edcfa867c02c5fe", kill_on_drop: false }`
[INFO] [stdout] 61079b2868671ddfe3f98efb29a12ca0ce2ebed5b62a8a2c4edcfa867c02c5fe
