[INFO] cloning repository https://github.com/pauwels-labs/redact-crypto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pauwels-labs/redact-crypto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauwels-labs%2Fredact-crypto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauwels-labs%2Fredact-crypto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fdad4980fb6399ddf9a5104b50ed7c67418d06ca
[INFO] checking pauwels-labs/redact-crypto against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauwels-labs%2Fredact-crypto" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pauwels-labs/redact-crypto 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 git repo https://github.com/pauwels-labs/redact-crypto
[INFO] finished tweaking git repo https://github.com/pauwels-labs/redact-crypto
[INFO] tweaked toml for git repo https://github.com/pauwels-labs/redact-crypto written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pauwels-labs/redact-crypto 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cookie-factory v0.3.2
[INFO] [stderr]   Downloaded const-oid v0.7.0
[INFO] [stderr]   Downloaded spki v0.5.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.27
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded x509 v0.2.0
[INFO] [stderr]   Downloaded cloud-storage v0.10.3
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded sodiumoxide v0.2.7
[INFO] [stderr]   Downloaded mongodb v2.0.2
[INFO] [stderr]   Downloaded libsodium-sys v0.2.7
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93afc4ef3c0cfedf77e57d7cd5ff0a2eb9eec7a7fa3ce193ff8aa7b5687154bc
[INFO] running `Command { std: "docker" "start" "-a" "93afc4ef3c0cfedf77e57d7cd5ff0a2eb9eec7a7fa3ce193ff8aa7b5687154bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93afc4ef3c0cfedf77e57d7cd5ff0a2eb9eec7a7fa3ce193ff8aa7b5687154bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93afc4ef3c0cfedf77e57d7cd5ff0a2eb9eec7a7fa3ce193ff8aa7b5687154bc", kill_on_drop: false }`
[INFO] [stdout] 93afc4ef3c0cfedf77e57d7cd5ff0a2eb9eec7a7fa3ce193ff8aa7b5687154bc
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecda5bc12a20d58d1f0008040b23ffc965c61a363a3d841be6987752ef9961fb
[INFO] running `Command { std: "docker" "start" "-a" "ecda5bc12a20d58d1f0008040b23ffc965c61a363a3d841be6987752ef9961fb", kill_on_drop: false }`
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[INFO] [stderr]    Compiling encoding_rs v0.8.28
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[INFO] [stderr]     Checking lock_api v0.4.5
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[INFO] [stderr]     Checking spki v0.5.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]    Compiling typed-builder v0.9.1
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.5.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking h2 v0.3.4
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[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_with v1.10.0
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking x509 v0.2.0
[INFO] [stderr]     Checking bson v2.0.1
[INFO] [stderr]     Checking jsonwebtoken v7.2.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking mongodb v2.0.2
[INFO] [stderr]     Checking cloud-storage v0.10.3
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking redact-crypto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/key/sodiumoxide.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::{boxed::Box, convert::TryFrom};
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/source.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     convert::Into,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]    --> src/data.rs:419:24
[INFO] [stdout]     |
[INFO] [stdout] 419 |     use std::convert::{Into, TryInto};
[INFO] [stdout]     |                        ^^^^
[INFO] [stdout]    --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]     |
[INFO] [stdout]     = note: the item `Into` is already defined here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Box` is imported redundantly
[INFO] [stdout]   --> src/key/sodiumoxide.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | use std::{boxed::Box, convert::TryFrom};
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Box` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/source.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     convert::Into,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/storage.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] 318 | |         where
[INFO] [stdout] 319 | |             S: serde::Serializer,
[INFO] [stdout]     | |_________________________________^ cannot return without recursing
[INFO] [stdout] 320 |           {
[INFO] [stdout] 321 |               self.private_serialize().serialize(serializer)
[INFO] [stdout]     |               ---------------------------------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/storage.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 | /         fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
[INFO] [stdout] 318 | |         where
[INFO] [stdout] 319 | |             S: serde::Serializer,
[INFO] [stdout]     | |_________________________________^ cannot return without recursing
[INFO] [stdout] 320 |           {
[INFO] [stdout] 321 |               self.private_serialize().serialize(serializer)
[INFO] [stdout]     |               ---------------------------------------------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 23s
[INFO] running `Command { std: "docker" "inspect" "ecda5bc12a20d58d1f0008040b23ffc965c61a363a3d841be6987752ef9961fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecda5bc12a20d58d1f0008040b23ffc965c61a363a3d841be6987752ef9961fb", kill_on_drop: false }`
[INFO] [stdout] ecda5bc12a20d58d1f0008040b23ffc965c61a363a3d841be6987752ef9961fb