[INFO] fetching crate bc-envelope 0.12.0...
[INFO] checking bc-envelope-0.12.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bc-envelope 0.12.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bc-envelope 0.12.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bc-envelope 0.12.0
[INFO] finished tweaking crates.io crate bc-envelope 0.12.0
[INFO] tweaked toml for crates.io crate bc-envelope 0.12.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 134 packages
[INFO] [stderr]       Adding bc-components v0.7.1 (latest: v0.10.0)
[INFO] [stderr]       Adding bc-ur v0.2.4 (latest: v0.3.0)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding dcbor v0.11.2 (latest: v0.13.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding half v2.2.1 (latest: v2.4.0)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding minicbor v0.19.1 (latest: v0.21.1)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding secp256k1 v0.27.0 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.8.1 (latest: v0.10.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding ur v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.19.15
[INFO] [stderr]   Downloaded opaque-debug v0.3.1
[INFO] [stderr]   Downloaded serde_spanned v0.6.5
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[INFO] [stderr]   Downloaded siphasher v0.3.11
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[INFO] [stderr]   Downloaded bc-ur v0.2.4
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[INFO] [stderr]   Downloaded minicbor-derive v0.13.0
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[INFO] [stderr]   Downloaded bc-shamir v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93f2fabd1de20d7b0c20ea3c591fb29af7e7e4b9cc6fabfd7bcdad1bceb77cd
[INFO] running `Command { std: "docker" "start" "-a" "a93f2fabd1de20d7b0c20ea3c591fb29af7e7e4b9cc6fabfd7bcdad1bceb77cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93f2fabd1de20d7b0c20ea3c591fb29af7e7e4b9cc6fabfd7bcdad1bceb77cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93f2fabd1de20d7b0c20ea3c591fb29af7e7e4b9cc6fabfd7bcdad1bceb77cd", kill_on_drop: false }`
[INFO] [stdout] a93f2fabd1de20d7b0c20ea3c591fb29af7e7e4b9cc6fabfd7bcdad1bceb77cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5c20fbeba3b122be87508a2a0552ed60236c47927daee6daa174106d13446ab
[INFO] running `Command { std: "docker" "start" "-a" "b5c20fbeba3b122be87508a2a0552ed60236c47927daee6daa174106d13446ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]     Checking hex-literal v0.4.1
[INFO] [stderr]     Checking syn v2.0.58
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking ur v0.3.0
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking bc-rand v0.1.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking x25519-dalek v2.0.1
[INFO] [stderr]     Checking dcbor v0.11.2
[INFO] [stderr]     Checking bc-ur v0.2.4
[INFO] [stderr]     Checking secp256k1 v0.27.0
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking bc-crypto v0.3.3
[INFO] [stderr]     Checking version-sync v0.9.5
[INFO] [stderr]     Checking bc-shamir v0.3.1
[INFO] [stderr]     Checking sskr v0.3.1
[INFO] [stderr]     Checking bc-components v0.7.1
[INFO] [stderr]     Checking bc-envelope v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/encrypted_tests.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] 4 | use bc_components::{DigestProvider, SymmetricKey, Nonce, EncryptedMessage};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/type_tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] 2 | #[cfg(feature = "known_value")]
[INFO] [stdout] 3 | use bc_components::DigestProvider;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Digest` is imported redundantly
[INFO] [stdout]  --> tests/core_encoding_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bc_components::Digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `Digest` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Digest` is imported redundantly
[INFO] [stdout]  --> tests/format_tests.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `Digest` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use bc_components::{Digest, ARID};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]   --> tests/format_tests.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use bc_envelope::prelude::*;
[INFO] [stdout]    |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 20 | use bc_components::DigestProvider;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/compression_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bc_components::DigestProvider;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/core_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] 2 | use bc_components::DigestProvider;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] [stdout] warning: method `check_encoding` is never used
[INFO] [stdout]  --> tests/common/check_encoding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait CheckEncoding {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 8 |     fn check_encoding(self) -> Result<Self, anyhow::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_encoding` is never used
[INFO] [stdout]  --> tests/common/check_encoding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait CheckEncoding {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 8 |     fn check_encoding(self) -> Result<Self, anyhow::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: method `check_encoding` is never used
[INFO] [stdout]  --> tests/common/check_encoding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait CheckEncoding {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 8 |     fn check_encoding(self) -> Result<Self, anyhow::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.36s
[INFO] running `Command { std: "docker" "inspect" "b5c20fbeba3b122be87508a2a0552ed60236c47927daee6daa174106d13446ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c20fbeba3b122be87508a2a0552ed60236c47927daee6daa174106d13446ab", kill_on_drop: false }`
[INFO] [stdout] b5c20fbeba3b122be87508a2a0552ed60236c47927daee6daa174106d13446ab
[INFO] checking bc-envelope-0.12.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate bc-envelope 0.12.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bc-envelope 0.12.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bc-envelope 0.12.0
[INFO] finished tweaking crates.io crate bc-envelope 0.12.0
[INFO] tweaked toml for crates.io crate bc-envelope 0.12.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 134 packages
[INFO] [stderr]       Adding bc-components v0.7.1 (latest: v0.10.0)
[INFO] [stderr]       Adding bc-ur v0.2.4 (latest: v0.3.0)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding dcbor v0.11.2 (latest: v0.13.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding half v2.2.1 (latest: v2.4.0)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding minicbor v0.19.1 (latest: v0.21.1)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding secp256k1 v0.27.0 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.8.1 (latest: v0.10.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (latest: v1.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.12)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[INFO] [stderr]       Adding ur v0.3.0 (latest: v0.4.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ece64ffbf9555e3c53254931238b71d35f94ed47d06e39625fa9d94b286d9892
[INFO] running `Command { std: "docker" "start" "-a" "ece64ffbf9555e3c53254931238b71d35f94ed47d06e39625fa9d94b286d9892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ece64ffbf9555e3c53254931238b71d35f94ed47d06e39625fa9d94b286d9892", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece64ffbf9555e3c53254931238b71d35f94ed47d06e39625fa9d94b286d9892", kill_on_drop: false }`
[INFO] [stdout] ece64ffbf9555e3c53254931238b71d35f94ed47d06e39625fa9d94b286d9892
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c106305e311d4b01793d48637332d31480504d86d914fb67ca121f7c1d3e5d
[INFO] running `Command { std: "docker" "start" "-a" "56c106305e311d4b01793d48637332d31480504d86d914fb67ca121f7c1d3e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling secp256k1-sys v0.8.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.11.2
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[INFO] [stderr]     Checking bc-components v0.7.1
[INFO] [stderr]     Checking bc-envelope v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/encrypted_tests.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] 4 | use bc_components::{DigestProvider, SymmetricKey, Nonce, EncryptedMessage};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Digest` is imported redundantly
[INFO] [stdout]  --> tests/core_encoding_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bc_components::Digest;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `Digest` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Digest` is imported redundantly
[INFO] [stdout]  --> tests/format_tests.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `Digest` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 4 | use bc_components::{Digest, ARID};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]   --> tests/format_tests.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use bc_envelope::prelude::*;
[INFO] [stdout]    |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 20 | use bc_components::DigestProvider;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/type_tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] 2 | #[cfg(feature = "known_value")]
[INFO] [stdout] 3 | use bc_components::DigestProvider;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/compression_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use bc_components::DigestProvider;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 5 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `DigestProvider` is imported redundantly
[INFO] [stdout]  --> tests/core_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use bc_envelope::prelude::*;
[INFO] [stdout]   |     ----------------------- the item `DigestProvider` is already imported here
[INFO] [stdout] 2 | use bc_components::DigestProvider;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_encoding` is never used
[INFO] [stdout]  --> tests/common/check_encoding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait CheckEncoding {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 8 |     fn check_encoding(self) -> Result<Self, anyhow::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_encoding` is never used
[INFO] [stdout]  --> tests/common/check_encoding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait CheckEncoding {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 8 |     fn check_encoding(self) -> Result<Self, anyhow::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_encoding` is never used
[INFO] [stdout]  --> tests/common/check_encoding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait CheckEncoding {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 8 |     fn check_encoding(self) -> Result<Self, anyhow::Error>
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: 1 warning emitted
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "56c106305e311d4b01793d48637332d31480504d86d914fb67ca121f7c1d3e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c106305e311d4b01793d48637332d31480504d86d914fb67ca121f7c1d3e5d", kill_on_drop: false }`
[INFO] [stdout] 56c106305e311d4b01793d48637332d31480504d86d914fb67ca121f7c1d3e5d