[INFO] fetching crate async-acme 0.1.1...
[INFO] testing async-acme-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate async-acme 0.1.1 into /workspace/builds/worker-98/source
[INFO] validating manifest of crates.io crate async-acme 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-acme 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate async-acme 0.1.1
[INFO] tweaked toml for crates.io crate async-acme 0.1.1 written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate crates.io crate async-acme 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.19.5
[INFO] [stderr]   Downloaded tinyvec v1.2.0
[INFO] [stderr]   Downloaded x509-parser v0.9.2
[INFO] [stderr]   Downloaded hyper v0.14.10
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded async-rustls v0.2.0
[INFO] [stderr]   Downloaded rcgen v0.8.11
[INFO] [stderr]   Downloaded futures v0.3.15
[INFO] [stderr]   Downloaded yasna v0.4.0
[INFO] [stderr]   Downloaded oid-registry v0.1.4
[INFO] [stderr]   Downloaded der-oid-macro v0.4.0
[INFO] [stderr]   Downloaded rusticata-macros v3.1.0
[INFO] [stderr]   Downloaded rustversion v1.0.5
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded serde_qs v0.8.4
[INFO] [stderr]   Downloaded tokio v1.8.1
[INFO] [stderr]   Downloaded der-parser v5.1.0
[INFO] [stderr]   Downloaded generic-async-http-client v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 228b978621fd28623eeda81abcbd1399a23175f73e26fc0347a782a952198463
[INFO] running `Command { std: "docker" "start" "-a" "228b978621fd28623eeda81abcbd1399a23175f73e26fc0347a782a952198463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "228b978621fd28623eeda81abcbd1399a23175f73e26fc0347a782a952198463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228b978621fd28623eeda81abcbd1399a23175f73e26fc0347a782a952198463", kill_on_drop: false }`
[INFO] [stdout] 228b978621fd28623eeda81abcbd1399a23175f73e26fc0347a782a952198463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1342d66a090e509ca2d50690804e18e525a33a0f6ba29c6518ab03874e3c4389
[INFO] running `Command { std: "docker" "start" "-a" "1342d66a090e509ca2d50690804e18e525a33a0f6ba29c6518ab03874e3c4389", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling oid-registry v0.1.4
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rusticata-macros v3.1.0
[INFO] [stderr]    Compiling der-oid-macro v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling der-parser v5.1.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling x509-parser v0.9.2
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling generic-async-http-client v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling async-acme v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/crypto/dummy.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn sign(&self, message: &[u8],
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domains`
[INFO] [stdout]   --> src/crypto/dummy.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domains`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pem_cert`
[INFO] [stdout]   --> src/crypto/dummy.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pem_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto/dummy.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |                       ----^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cert_duration_left`
[INFO] [stdout]   --> src/crypto/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_cert_duration_left(x509_cert : &[u8]) -> Result<Duration,()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Identity`
[INFO] [stdout]   --> src/crypto/dummy.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Identity{}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_acme_cert`
[INFO] [stdout]   --> src/crypto/dummy.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn gen_acme_cert(_domains: Vec<String>, _acme_hash: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CertBuilder`
[INFO] [stdout]   --> src/crypto/dummy.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct CertBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_new`
[INFO] [stdout]   --> src/crypto/dummy.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_csr`
[INFO] [stdout]   --> src/crypto/dummy.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_csr(&self) -> Result<Vec<u8>,()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sign`
[INFO] [stdout]   --> src/crypto/dummy.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.58s
[INFO] running `Command { std: "docker" "inspect" "1342d66a090e509ca2d50690804e18e525a33a0f6ba29c6518ab03874e3c4389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1342d66a090e509ca2d50690804e18e525a33a0f6ba29c6518ab03874e3c4389", kill_on_drop: false }`
[INFO] [stdout] 1342d66a090e509ca2d50690804e18e525a33a0f6ba29c6518ab03874e3c4389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fac57c70bd8587183ef4154036e8c50f2a31f20442cc2718a0e553aa2b9a811
[INFO] running `Command { std: "docker" "start" "-a" "0fac57c70bd8587183ef4154036e8c50f2a31f20442cc2718a0e553aa2b9a811", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/crypto/dummy.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn sign(&self, message: &[u8],
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domains`
[INFO] [stdout]   --> src/crypto/dummy.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domains`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pem_cert`
[INFO] [stdout]   --> src/crypto/dummy.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pem_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto/dummy.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |                       ----^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cert_duration_left`
[INFO] [stdout]   --> src/crypto/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_cert_duration_left(x509_cert : &[u8]) -> Result<Duration,()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Identity`
[INFO] [stdout]   --> src/crypto/dummy.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Identity{}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_acme_cert`
[INFO] [stdout]   --> src/crypto/dummy.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn gen_acme_cert(_domains: Vec<String>, _acme_hash: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CertBuilder`
[INFO] [stdout]   --> src/crypto/dummy.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct CertBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_new`
[INFO] [stdout]   --> src/crypto/dummy.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_csr`
[INFO] [stdout]   --> src/crypto/dummy.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_csr(&self) -> Result<Vec<u8>,()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sign`
[INFO] [stdout]   --> src/crypto/dummy.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling http-body v0.4.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling async-rustls v0.2.0
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling hyper v0.14.10
[INFO] [stderr]    Compiling async-acme v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/crypto/dummy.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn sign(&self, message: &[u8],
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `domains`
[INFO] [stdout]   --> src/crypto/dummy.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stdout]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domains`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pem_cert`
[INFO] [stdout]   --> src/crypto/dummy.rs:62:27
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pem_cert`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/crypto/dummy.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |                       ----^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cert_duration_left`
[INFO] [stdout]   --> src/crypto/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn get_cert_duration_left(x509_cert : &[u8]) -> Result<Duration,()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Identity`
[INFO] [stdout]   --> src/crypto/dummy.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Identity{}
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_acme_cert`
[INFO] [stdout]   --> src/crypto/dummy.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn gen_acme_cert(_domains: Vec<String>, _acme_hash: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `CertBuilder`
[INFO] [stdout]   --> src/crypto/dummy.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub struct CertBuilder {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gen_new`
[INFO] [stdout]   --> src/crypto/dummy.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_csr`
[INFO] [stdout]   --> src/crypto/dummy.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_csr(&self) -> Result<Vec<u8>,()> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sign`
[INFO] [stdout]   --> src/crypto/dummy.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 20.80s
[INFO] running `Command { std: "docker" "inspect" "0fac57c70bd8587183ef4154036e8c50f2a31f20442cc2718a0e553aa2b9a811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fac57c70bd8587183ef4154036e8c50f2a31f20442cc2718a0e553aa2b9a811", kill_on_drop: false }`
[INFO] [stdout] 0fac57c70bd8587183ef4154036e8c50f2a31f20442cc2718a0e553aa2b9a811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f2ac055b27c22f5c5deb97b3e37f73da22057181de221c47562026dd003db388
[INFO] running `Command { std: "docker" "start" "-a" "f2ac055b27c22f5c5deb97b3e37f73da22057181de221c47562026dd003db388", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/crypto/dummy.rs:19:24
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn sign(&self, message: &[u8],
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `domains`
[INFO] [stderr]   --> src/crypto/dummy.rs:55:20
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stderr]    |                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_domains`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pem_cert`
[INFO] [stderr]   --> src/crypto/dummy.rs:62:27
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stderr]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pem_cert`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/crypto/dummy.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stderr]    |                       ----^^^^^^^^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_cert_duration_left`
[INFO] [stderr]   --> src/crypto/mod.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn get_cert_duration_left(x509_cert : &[u8]) -> Result<Duration,()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Identity`
[INFO] [stderr]   --> src/crypto/dummy.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct Identity{}
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `gen_acme_cert`
[INFO] [stderr]   --> src/crypto/dummy.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn gen_acme_cert(_domains: Vec<String>, _acme_hash: &[u8]) -> Result<Identity, ()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `CertBuilder`
[INFO] [stderr]   --> src/crypto/dummy.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub struct CertBuilder {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `gen_new`
[INFO] [stderr]   --> src/crypto/dummy.rs:55:12
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn gen_new(domains: Vec<String>) -> Result<CertBuilder, ()> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_csr`
[INFO] [stderr]   --> src/crypto/dummy.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_csr(&self) -> Result<Vec<u8>,()> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `sign`
[INFO] [stderr]   --> src/crypto/dummy.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn sign(self, mut pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-acme` (lib) generated 11 warnings
[INFO] [stderr] warning: `async-acme` (lib test) generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_acme-4ef7910801a83d3e)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-acme
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2ac055b27c22f5c5deb97b3e37f73da22057181de221c47562026dd003db388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2ac055b27c22f5c5deb97b3e37f73da22057181de221c47562026dd003db388", kill_on_drop: false }`
[INFO] [stdout] f2ac055b27c22f5c5deb97b3e37f73da22057181de221c47562026dd003db388
