[INFO] cloning repository https://github.com/domwoe/jwt_issuer_poc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domwoe/jwt_issuer_poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomwoe%2Fjwt_issuer_poc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomwoe%2Fjwt_issuer_poc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fbf8b88216de888b08390d5099584f46ac5e51c
[INFO] checking domwoe/jwt_issuer_poc against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomwoe%2Fjwt_issuer_poc" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/domwoe/jwt_issuer_poc
[INFO] finished tweaking git repo https://github.com/domwoe/jwt_issuer_poc
[INFO] tweaked toml for git repo https://github.com/domwoe/jwt_issuer_poc written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/domwoe/jwt_issuer_poc on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/domwoe/jwt_issuer_poc 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb039bbd168c451811ecf452a1ff2faa77cf97a6942de66a5cfe186e440c9a9b
[INFO] running `Command { std: "docker" "start" "-a" "cb039bbd168c451811ecf452a1ff2faa77cf97a6942de66a5cfe186e440c9a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb039bbd168c451811ecf452a1ff2faa77cf97a6942de66a5cfe186e440c9a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb039bbd168c451811ecf452a1ff2faa77cf97a6942de66a5cfe186e440c9a9b", kill_on_drop: false }`
[INFO] [stdout] cb039bbd168c451811ecf452a1ff2faa77cf97a6942de66a5cfe186e440c9a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f3629cbd9596ab28635e7f801cf327138f8c4a32a3781a2e6fea87f27f6c7f
[INFO] running `Command { std: "docker" "start" "-a" "47f3629cbd9596ab28635e7f801cf327138f8c4a32a3781a2e6fea87f27f6c7f", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling indexmap v1.9.1
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[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling rustversion v1.0.9
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[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking zeroize v1.5.7
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[INFO] [stderr]    Compiling ena v0.14.0
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[INFO] [stderr]    Compiling anyhow v1.0.64
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[INFO] [stderr]    Compiling dirs-next v2.0.0
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[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling term v0.7.0
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[INFO] [stderr]     Checking crypto-bigint v0.4.8
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[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
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[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking spki v0.6.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]     Checking rfc6979 v0.3.0
[INFO] [stderr]     Checking pkcs8 v0.9.0
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[INFO] [stderr]     Checking sha2 v0.9.9
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[INFO] [stderr]    Compiling lalrpop-util v0.19.8
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]    Compiling lalrpop v0.19.8
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling candid_derive v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.34
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]    Compiling logos v0.12.1
[INFO] [stderr]    Compiling candid v0.7.16
[INFO] [stderr]     Checking serde_bytes v0.11.7
[INFO] [stderr]     Checking serdect v0.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking ic-types v0.4.2
[INFO] [stderr]     Checking ic-certified-map v0.3.0
[INFO] [stderr]     Checking sec1 v0.3.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling serde_tokenstream v0.1.3
[INFO] [stderr]     Checking elliptic-curve v0.12.3
[INFO] [stderr]     Checking ecdsa v0.14.5
[INFO] [stderr]     Checking k256 v0.11.4
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]     Checking ic-cdk v0.5.6
[INFO] [stderr]    Compiling ic-cdk-macros v0.5.6
[INFO] [stderr]     Checking jwt_issuer_poc_backend v0.1.0 (/opt/rustwide/workdir/src/jwt_issuer_poc_backend)
[INFO] [stdout] warning: unused import: `FromBase58`
[INFO] [stdout]  --> src/jwt_issuer_poc_backend/src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use base58::{ToBase58, FromBase58};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromBase58`
[INFO] [stdout]  --> src/jwt_issuer_poc_backend/src/lib.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | use base58::{ToBase58, FromBase58};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `prune_expired`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/jwt_issuer_poc_backend/src/signature_map.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl SignatureMap {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn prune_expired(&mut self, now: u64, max_to_prune: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `prune_expired`, `len`, and `is_empty` are never used
[INFO] [stdout]   --> src/jwt_issuer_poc_backend/src/signature_map.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | impl SignatureMap {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn prune_expired(&mut self, now: u64, max_to_prune: usize) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/jwt_issuer_poc_backend/src/lib.rs:166:37
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut mac = MAC_KEY.with(|k| k.borrow().clone());
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<..., ...>>>>` does not implement `Borrow`, so calling `borrow` on `&CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<..., ...>>>>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/jwt_issuer_poc_backend-2471fe4aa481134d.long-type-17883019325079787944.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 166 -     let mut mac = MAC_KEY.with(|k| k.borrow().clone());
[INFO] [stdout] 166 +     let mut mac = MAC_KEY.with(|k| k.clone());
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<..., ...>>>>`, implement `Clone` for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/digest-0.10.3/src/core_api/wrapper.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 + #[derive(Clone)]
[INFO] [stdout]  23 | pub struct CoreWrapper<T>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]    --> src/jwt_issuer_poc_backend/src/lib.rs:211:22
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let hashed_msg = hashed.try_into().expect("Incorrect length");
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]    --> src/jwt_issuer_poc_backend/src/lib.rs:218:23
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let hashed_seed = hasher.finalize().try_into().expect("Incorrect size");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/jwt_issuer_poc_backend/src/lib.rs:166:37
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let mut mac = MAC_KEY.with(|k| k.borrow().clone());
[INFO] [stdout]     |                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<..., ...>>>>` does not implement `Borrow`, so calling `borrow` on `&CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<..., ...>>>>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/jwt_issuer_poc_backend-44e8c3a0e8e54136.long-type-13236633621067397884.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 166 -     let mut mac = MAC_KEY.with(|k| k.borrow().clone());
[INFO] [stdout] 166 +     let mut mac = MAC_KEY.with(|k| k.clone());
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `CoreWrapper<HmacCore<CoreWrapper<CtVariableCoreWrapper<..., ...>>>>`, implement `Clone` for it
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/digest-0.10.3/src/core_api/wrapper.rs:22:1
[INFO] [stdout]     |
[INFO] [stdout]  22 + #[derive(Clone)]
[INFO] [stdout]  23 | pub struct CoreWrapper<T>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]    --> src/jwt_issuer_poc_backend/src/lib.rs:211:22
[INFO] [stdout]     |
[INFO] [stdout] 211 |     let hashed_msg = hashed.try_into().expect("Incorrect length");
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<[u8; 32], Infallible>
[INFO] [stdout]    --> src/jwt_issuer_poc_backend/src/lib.rs:218:23
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let hashed_seed = hasher.finalize().try_into().expect("Incorrect size");
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jwt_issuer_poc_backend` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jwt_issuer_poc_backend` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "47f3629cbd9596ab28635e7f801cf327138f8c4a32a3781a2e6fea87f27f6c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f3629cbd9596ab28635e7f801cf327138f8c4a32a3781a2e6fea87f27f6c7f", kill_on_drop: false }`
[INFO] [stdout] 47f3629cbd9596ab28635e7f801cf327138f8c4a32a3781a2e6fea87f27f6c7f