[INFO] fetching crate labrador 0.2.3...
[INFO] testing labrador-0.2.3 against 1.76.0 for beta-1.77-1
[INFO] extracting crate labrador 0.2.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate labrador 0.2.3 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate labrador 0.2.3
[INFO] finished tweaking crates.io crate labrador 0.2.3
[INFO] tweaked toml for crates.io crate labrador 0.2.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded peresil v0.3.0
[INFO] [stderr]   Downloaded sxd-document v0.2.6
[INFO] [stderr]   Downloaded typed-arena v1.7.0
[INFO] [stderr]   Downloaded sxd-xpath v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d9f95ce5b3bf1e2132a3a26e1f9ff99271eadefb9fdd5bf2b4319bf983434be
[INFO] running `Command { std: "docker" "start" "-a" "4d9f95ce5b3bf1e2132a3a26e1f9ff99271eadefb9fdd5bf2b4319bf983434be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d9f95ce5b3bf1e2132a3a26e1f9ff99271eadefb9fdd5bf2b4319bf983434be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d9f95ce5b3bf1e2132a3a26e1f9ff99271eadefb9fdd5bf2b4319bf983434be", kill_on_drop: false }`
[INFO] [stdout] 4d9f95ce5b3bf1e2132a3a26e1f9ff99271eadefb9fdd5bf2b4319bf983434be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c62e6939b0f049d76ca0ee2c53ea72c9008d66cd5c2f04e00993c87aebbace57
[INFO] running `Command { std: "docker" "start" "-a" "c62e6939b0f049d76ca0ee2c53ea72c9008d66cd5c2f04e00993c87aebbace57", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.196
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[INFO] [stderr]    Compiling reqwest v0.11.24
[INFO] [stderr]    Compiling labrador v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.95s
[INFO] running `Command { std: "docker" "inspect" "c62e6939b0f049d76ca0ee2c53ea72c9008d66cd5c2f04e00993c87aebbace57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62e6939b0f049d76ca0ee2c53ea72c9008d66cd5c2f04e00993c87aebbace57", kill_on_drop: false }`
[INFO] [stdout] c62e6939b0f049d76ca0ee2c53ea72c9008d66cd5c2f04e00993c87aebbace57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f407c8500353759e7caed437f546af9c792987064ba1de9945b702db1fde1eef
[INFO] running `Command { std: "docker" "start" "-a" "f407c8500353759e7caed437f546af9c792987064ba1de9945b702db1fde1eef", kill_on_drop: false }`
[INFO] [stderr]    Compiling labrador v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `from_hex` found for reference `&str` in the current scope
[INFO] [stdout]    --> src/util/prp.rs:500:17
[INFO] [stdout]     |
[INFO] [stdout] 500 |         raw_hex.from_hex().ok().unwrap()
[INFO] [stdout]     |                 ^^^^^^^^ method not found in `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]     --> src/util/prp.rs:529:48
[INFO] [stdout]      |
[INFO] [stdout] 529  |         let base64_cipher = cipher_text_base64.to_hex();
[INFO] [stdout]      |                                                ^^^^^^-- an argument of type `usize` is missing
[INFO] [stdout]      |
[INFO] [stdout] note: method defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/nom-7.1.3/src/traits.rs:1343:6
[INFO] [stdout]      |
[INFO] [stdout] 1343 |   fn to_hex(&self, chunk_size: usize) -> String;
[INFO] [stdout]      |      ^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]      |
[INFO] [stdout] 529  |         let base64_cipher = cipher_text_base64.to_hex(/* usize */);
[INFO] [stdout]      |                                                      ~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `labrador` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f407c8500353759e7caed437f546af9c792987064ba1de9945b702db1fde1eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f407c8500353759e7caed437f546af9c792987064ba1de9945b702db1fde1eef", kill_on_drop: false }`
[INFO] [stdout] f407c8500353759e7caed437f546af9c792987064ba1de9945b702db1fde1eef
