[INFO] fetching crate decanter 0.1.6...
[INFO] checking decanter-0.1.6 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate decanter 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate decanter 0.1.6 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 crates.io crate decanter 0.1.6
[INFO] finished tweaking crates.io crate decanter 0.1.6
[INFO] tweaked toml for crates.io crate decanter 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate decanter 0.1.6 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-default v0.7.1
[INFO] [stderr]   Downloaded decanter-derive v0.1.6
[INFO] [stderr]   Downloaded generic-array v1.0.0
[INFO] [stderr]   Downloaded decanter-macros v0.1.6
[INFO] [stderr]   Downloaded decanter-crypto v0.1.6
[INFO] [stderr]   Downloaded blake3 v1.4.1
[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] 4df5a8d0b299cf727eeb207a06e25e3ebc30ec6cf6aa02e349a105bb3e06e371
[INFO] running `Command { std: "docker" "start" "-a" "4df5a8d0b299cf727eeb207a06e25e3ebc30ec6cf6aa02e349a105bb3e06e371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4df5a8d0b299cf727eeb207a06e25e3ebc30ec6cf6aa02e349a105bb3e06e371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df5a8d0b299cf727eeb207a06e25e3ebc30ec6cf6aa02e349a105bb3e06e371", kill_on_drop: false }`
[INFO] [stdout] 4df5a8d0b299cf727eeb207a06e25e3ebc30ec6cf6aa02e349a105bb3e06e371
[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] d561c418de847e77b230ccfcff4e6c538974398f47e3f584681a009ce7e72a01
[INFO] running `Command { std: "docker" "start" "-a" "d561c418de847e77b230ccfcff4e6c538974398f47e3f584681a009ce7e72a01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking generic-array v1.0.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling blake3 v1.4.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking decanter-crypto v0.1.6
[INFO] [stderr]     Checking decanter v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `primitives::*`
[INFO] [stdout]   --> src/lib.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::{primitives::*, specs::*, utils::*};
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `constants::*`, `statics::*`, `types::*`
[INFO] [stdout]  --> src/primitives.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::{constants::*, statics::*, types::*};
[INFO] [stdout]   |                ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::primitives::*`
[INFO] [stdout]   --> src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub use crate::primitives::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `primitives::*`
[INFO] [stdout]   --> src/lib.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub use self::{primitives::*, specs::*, utils::*};
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `constants::*`, `statics::*`, `types::*`
[INFO] [stdout]  --> src/primitives.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::{constants::*, statics::*, types::*};
[INFO] [stdout]   |                ^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::primitives::*`
[INFO] [stdout]   --> src/lib.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub use crate::primitives::*;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/hash/mod.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct A(Box<dyn Hash>);
[INFO] [stdout]    |            - ^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct A(());
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/hash/mod.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct A(Box<dyn Hash>);
[INFO] [stdout]    |            - ^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct A(());
[INFO] [stdout]    |              ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.28s
[INFO] running `Command { std: "docker" "inspect" "d561c418de847e77b230ccfcff4e6c538974398f47e3f584681a009ce7e72a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d561c418de847e77b230ccfcff4e6c538974398f47e3f584681a009ce7e72a01", kill_on_drop: false }`
[INFO] [stdout] d561c418de847e77b230ccfcff4e6c538974398f47e3f584681a009ce7e72a01