[INFO] cloning repository https://github.com/wusyong/slip10
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wusyong/slip10" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwusyong%2Fslip10", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwusyong%2Fslip10'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08faabf3a95faccb97148f65c46cd293f9a2e28f
[INFO] checking wusyong/slip10 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwusyong%2Fslip10" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wusyong/slip10 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wusyong/slip10
[INFO] finished tweaking git repo https://github.com/wusyong/slip10
[INFO] tweaked toml for git repo https://github.com/wusyong/slip10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding crypto-mac v0.9.1 (latest: v0.11.1)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (latest: v4.1.2)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding hmac v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[INFO] [stderr]       Adding zeroize v1.3.0 (latest: v1.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subtle v2.5.0
[INFO] [stderr]   Downloaded zeroize v1.3.0
[INFO] [stderr]   Downloaded opaque-debug v0.3.1
[INFO] [stderr]   Downloaded crypto-mac v0.9.1
[INFO] [stderr]   Downloaded hmac v0.9.0
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cfa55c5cdb641b02e743630a1aabac0d2b01ea7f9bbe267b61ab08aa8b30550
[INFO] running `Command { std: "docker" "start" "-a" "9cfa55c5cdb641b02e743630a1aabac0d2b01ea7f9bbe267b61ab08aa8b30550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cfa55c5cdb641b02e743630a1aabac0d2b01ea7f9bbe267b61ab08aa8b30550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfa55c5cdb641b02e743630a1aabac0d2b01ea7f9bbe267b61ab08aa8b30550", kill_on_drop: false }`
[INFO] [stdout] 9cfa55c5cdb641b02e743630a1aabac0d2b01ea7f9bbe267b61ab08aa8b30550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb66191fef5dfa7bb3024efe040712f7c59ccd2ae2aa801956591d9b76ca64af
[INFO] running `Command { std: "docker" "start" "-a" "bb66191fef5dfa7bb3024efe040712f7c59ccd2ae2aa801956591d9b76ca64af", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking slip10 v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/core/src/prelude/mod.rs:47:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.27s
[INFO] running `Command { std: "docker" "inspect" "bb66191fef5dfa7bb3024efe040712f7c59ccd2ae2aa801956591d9b76ca64af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb66191fef5dfa7bb3024efe040712f7c59ccd2ae2aa801956591d9b76ca64af", kill_on_drop: false }`
[INFO] [stdout] bb66191fef5dfa7bb3024efe040712f7c59ccd2ae2aa801956591d9b76ca64af
[INFO] checking wusyong/slip10 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwusyong%2Fslip10" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wusyong/slip10 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wusyong/slip10
[INFO] finished tweaking git repo https://github.com/wusyong/slip10
[INFO] tweaked toml for git repo https://github.com/wusyong/slip10 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ade6100f3f492ca65b1e17a3568dc12bcc0c4e9e2611a4245849db2cd543082
[INFO] running `Command { std: "docker" "start" "-a" "9ade6100f3f492ca65b1e17a3568dc12bcc0c4e9e2611a4245849db2cd543082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ade6100f3f492ca65b1e17a3568dc12bcc0c4e9e2611a4245849db2cd543082", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ade6100f3f492ca65b1e17a3568dc12bcc0c4e9e2611a4245849db2cd543082", kill_on_drop: false }`
[INFO] [stdout] 9ade6100f3f492ca65b1e17a3568dc12bcc0c4e9e2611a4245849db2cd543082
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13c5590fd8fcd7e188013e2774504b3da7db5d6983e7aa7cda1a7c8a5c698622
[INFO] running `Command { std: "docker" "start" "-a" "13c5590fd8fcd7e188013e2774504b3da7db5d6983e7aa7cda1a7c8a5c698622", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.9.1
[INFO] [stderr]     Checking hmac v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ed25519-dalek-1.0.1/src/signature.rs:98:5
[INFO] [stdout]     |
[INFO] [stdout] 98  | /     match Scalar::from_canonical_bytes(bytes) {
[INFO] [stdout] 99  | |         None => return Err(InternalError::ScalarFormatError.into()),
[INFO] [stdout] 100 | |         Some(x) => return Ok(x),
[INFO] [stdout] 101 | |     };
[INFO] [stdout]     | |_____^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ed25519-dalek` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "13c5590fd8fcd7e188013e2774504b3da7db5d6983e7aa7cda1a7c8a5c698622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13c5590fd8fcd7e188013e2774504b3da7db5d6983e7aa7cda1a7c8a5c698622", kill_on_drop: false }`
[INFO] [stdout] 13c5590fd8fcd7e188013e2774504b3da7db5d6983e7aa7cda1a7c8a5c698622