[INFO] fetching crate async-acme 0.1.1...
[INFO] checking async-acme-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate async-acme 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate async-acme 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-7/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-rustls v0.2.0
[INFO] [stderr]   Downloaded oid-registry v0.1.4
[INFO] [stderr]   Downloaded generic-async-http-client v0.1.1
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[INFO] [stdout] 0da78970a70c138309e239e680ac762162ffbb02ba51cfb857351e7300add416
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0da78970a70c138309e239e680ac762162ffbb02ba51cfb857351e7300add416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0da78970a70c138309e239e680ac762162ffbb02ba51cfb857351e7300add416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da78970a70c138309e239e680ac762162ffbb02ba51cfb857351e7300add416", kill_on_drop: false }`
[INFO] [stdout] 0da78970a70c138309e239e680ac762162ffbb02ba51cfb857351e7300add416
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da1351edca61b5e36909bc36b74940bbc85eaa59833476f52d48bebb70e11f3d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da1351edca61b5e36909bc36b74940bbc85eaa59833476f52d48bebb70e11f3d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-channel v0.3.15: default
[INFO] [stderr]   futures-core v0.3.15: default
[INFO] [stderr]   futures-io v0.3.15: default
[INFO] [stderr]   futures-sink v0.3.15: default
[INFO] [stderr]   itoa v0.4.7: default, std
[INFO] [stderr]   log v0.4.14: std
[INFO] [stderr]   memchr v2.4.0 (as host dependency): default
[INFO] [stderr]   syn v1.0.73 (as host dependency): extra-traits, visit, visit-mut
[INFO] [stderr] 
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[INFO] [stderr]     Checking futures-executor v0.3.15
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[INFO] [stderr]     Checking generic-async-http-client v0.1.1
[INFO] [stderr]     Checking async-acme v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/crypto/dummy.rs (4 fixes)
[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, _pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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, _pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.76s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling tokio v1.8.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling der-oid-macro v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking der-parser v5.1.0
[INFO] [stderr]     Checking oid-registry v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking x509-parser v0.9.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking generic-async-http-client v0.1.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking async-acme v0.1.1 (/tmp/fixit)
[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, _pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[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, _pem_cert: &[u8]) -> Result<Identity, ()> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.26s
[INFO] running `Command { std: "docker" "inspect" "da1351edca61b5e36909bc36b74940bbc85eaa59833476f52d48bebb70e11f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1351edca61b5e36909bc36b74940bbc85eaa59833476f52d48bebb70e11f3d", kill_on_drop: false }`
[INFO] [stdout] da1351edca61b5e36909bc36b74940bbc85eaa59833476f52d48bebb70e11f3d