[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pinkforest/investigate-mir-secret-data-leak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bea36e1cfd35a35b30022d125b7b974360ec439
[INFO] checking pinkforest/investigate-mir-secret-data-leak against master#9bfa31f632912180dc742809bcc51a97f2d7079d for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpinkforest%2Finvestigate-mir-secret-data-leak" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pinkforest/investigate-mir-secret-data-leak on toolchain 9bfa31f632912180dc742809bcc51a97f2d7079d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] finished tweaking git repo https://github.com/pinkforest/investigate-mir-secret-data-leak
[INFO] tweaked toml for git repo https://github.com/pinkforest/investigate-mir-secret-data-leak written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pinkforest/investigate-mir-secret-data-leak 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" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dudect-bencher v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f53b61bffcdfcf51342f7935dc0a2ba286164abab5db4f595f8a5dd7d9e7f235
[INFO] running `Command { std: "docker" "start" "-a" "f53b61bffcdfcf51342f7935dc0a2ba286164abab5db4f595f8a5dd7d9e7f235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f53b61bffcdfcf51342f7935dc0a2ba286164abab5db4f595f8a5dd7d9e7f235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f53b61bffcdfcf51342f7935dc0a2ba286164abab5db4f595f8a5dd7d9e7f235", kill_on_drop: false }`
[INFO] [stdout] f53b61bffcdfcf51342f7935dc0a2ba286164abab5db4f595f8a5dd7d9e7f235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9bfa31f632912180dc742809bcc51a97f2d7079d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34991b2f7657ea14e3b720f8abb5afd9833f4f44ba8796a9317da2407e9028fd
[INFO] running `Command { std: "docker" "start" "-a" "34991b2f7657ea14e3b720f8abb5afd9833f4f44ba8796a9317da2407e9028fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking side_channels v0.1.0 (/opt/rustwide/workdir/side_channels)
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]  --> side_channels/src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(arr_size = "100")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]  --> side_channels/src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(arr_size = "100"))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]   --> side_channels/src/lib.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(not(arr_size = "100"), test))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]   --> side_channels/src/lib.rs:84:11
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[cfg(all(arr_size = "100", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]  --> side_channels/src/lib.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[cfg(arr_size = "100")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]  --> side_channels/src/lib.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(not(arr_size = "100"))]
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]   --> side_channels/src/lib.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[cfg(all(not(arr_size = "100"), test))]
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `arr_size`
[INFO] [stdout]   --> side_channels/src/lib.rs:84:11
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[cfg(all(arr_size = "100", test))]
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(arr_size, values("100"))'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(arr_size, values(\"100\"))");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `check_eq_sodium_bad_imitation` found for struct `Secret128bit` in the current scope
[INFO] [stdout]   --> side_channels/src/lib.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Secret128bit {
[INFO] [stdout]    | ----------------------- method `check_eq_sodium_bad_imitation` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |         assert_eq!(checker.check_eq_sodium_bad_imitation(&against), 0 as i16);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `check_eq_sodium_terrible_imitation` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 53 -         assert_eq!(checker.check_eq_sodium_bad_imitation(&against), 0 as i16);
[INFO] [stdout] 53 +         assert_eq!(checker.check_eq_sodium_terrible_imitation(&against), 0 as i16);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `check_eq_sodium_bad_imitation` found for struct `Secret128bit` in the current scope
[INFO] [stdout]   --> side_channels/src/lib.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Secret128bit {
[INFO] [stdout]    | ----------------------- method `check_eq_sodium_bad_imitation` not found for this struct
[INFO] [stdout] ...
[INFO] [stdout] 62 |         assert_eq!(checker.check_eq_sodium_bad_imitation(&against), -1 as i16);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `check_eq_sodium_terrible_imitation` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 62 -         assert_eq!(checker.check_eq_sodium_bad_imitation(&against), -1 as i16);
[INFO] [stdout] 62 +         assert_eq!(checker.check_eq_sodium_terrible_imitation(&against), -1 as i16);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `side_channels` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "34991b2f7657ea14e3b720f8abb5afd9833f4f44ba8796a9317da2407e9028fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34991b2f7657ea14e3b720f8abb5afd9833f4f44ba8796a9317da2407e9028fd", kill_on_drop: false }`
[INFO] [stdout] 34991b2f7657ea14e3b720f8abb5afd9833f4f44ba8796a9317da2407e9028fd
