[INFO] fetching crate jwtk 0.3.0...
[INFO] checking jwtk-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate jwtk 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate jwtk 0.3.0 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 jwtk 0.3.0
[INFO] finished tweaking crates.io crate jwtk 0.3.0
[INFO] tweaked toml for crates.io crate jwtk 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate jwtk 0.3.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.75
[INFO] [stderr]   Downloaded time-macros v0.2.12
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.75
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.75
[INFO] [stderr]   Downloaded time v0.3.26
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.75
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded js-sys v0.3.52
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.25
[INFO] [stderr]   Downloaded async-trait v0.1.51
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded tower-http v0.1.1
[INFO] [stderr]   Downloaded axum v0.1.3
[INFO] [stderr]   Downloaded tower v0.4.8
[INFO] [stderr]   Downloaded hyper v0.14.11
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.75
[INFO] [stderr]   Downloaded web-sys v0.3.52
[INFO] [stderr]   Downloaded socket2 v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c8e9139e8868746f4640a33f15748096cc3d7f333cc9cc65aafb4b55ba723631
[INFO] running `Command { std: "docker" "start" "-a" "c8e9139e8868746f4640a33f15748096cc3d7f333cc9cc65aafb4b55ba723631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8e9139e8868746f4640a33f15748096cc3d7f333cc9cc65aafb4b55ba723631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e9139e8868746f4640a33f15748096cc3d7f333cc9cc65aafb4b55ba723631", kill_on_drop: false }`
[INFO] [stdout] c8e9139e8868746f4640a33f15748096cc3d7f333cc9cc65aafb4b55ba723631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e2a22fbf53bc3c780a8fddaeb2951a21ce5f126423b88e104168c680ae3cdda1
[INFO] running `Command { std: "docker" "start" "-a" "e2a22fbf53bc3c780a8fddaeb2951a21ce5f126423b88e104168c680ae3cdda1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling serde_with_macros v3.3.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking tower v0.4.8
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_with v3.3.0
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking axum v0.1.3
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking jwtk v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `EcdsaAlgorithm` is imported redundantly
[INFO] [stdout]    --> src/jwk.rs:547:17
[INFO] [stdout]     |
[INFO] [stdout] 547 |         ecdsa::{EcdsaAlgorithm, EcdsaPrivateKey},
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 553 |     use super::*;
[INFO] [stdout]     |         -------- the item `EcdsaAlgorithm` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EcdsaPrivateKey` is imported redundantly
[INFO] [stdout]    --> src/jwk.rs:547:33
[INFO] [stdout]     |
[INFO] [stdout] 547 |         ecdsa::{EcdsaAlgorithm, EcdsaPrivateKey},
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 553 |     use super::*;
[INFO] [stdout]     |         -------- the item `EcdsaPrivateKey` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ed25519PrivateKey` is imported redundantly
[INFO] [stdout]    --> src/jwk.rs:548:9
[INFO] [stdout]     |
[INFO] [stdout] 548 |         eddsa::Ed25519PrivateKey,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 553 |     use super::*;
[INFO] [stdout]     |         -------- the item `Ed25519PrivateKey` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `RsaPrivateKey` is imported redundantly
[INFO] [stdout]    --> src/jwk.rs:549:9
[INFO] [stdout]     |
[INFO] [stdout] 549 |         rsa::RsaPrivateKey,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 553 |     use super::*;
[INFO] [stdout]     |         -------- the item `RsaPrivateKey` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.90s
[INFO] running `Command { std: "docker" "inspect" "e2a22fbf53bc3c780a8fddaeb2951a21ce5f126423b88e104168c680ae3cdda1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2a22fbf53bc3c780a8fddaeb2951a21ce5f126423b88e104168c680ae3cdda1", kill_on_drop: false }`
[INFO] [stdout] e2a22fbf53bc3c780a8fddaeb2951a21ce5f126423b88e104168c680ae3cdda1