[INFO] fetching crate ssh-util 0.1.0...
[INFO] checking ssh-util-0.1.0 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] extracting crate ssh-util 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ssh-util 0.1.0 on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssh-util 0.1.0
[INFO] finished tweaking crates.io crate ssh-util 0.1.0
[INFO] tweaked toml for crates.io crate ssh-util 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate ssh-util 0.1.0 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4f2b7fd9c1ce1b182d7f3cdd1973ee5d2df2eac3afcbb86f14fef18a1cd99c1
[INFO] running `Command { std: "docker" "start" "-a" "c4f2b7fd9c1ce1b182d7f3cdd1973ee5d2df2eac3afcbb86f14fef18a1cd99c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f2b7fd9c1ce1b182d7f3cdd1973ee5d2df2eac3afcbb86f14fef18a1cd99c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f2b7fd9c1ce1b182d7f3cdd1973ee5d2df2eac3afcbb86f14fef18a1cd99c1", kill_on_drop: false }`
[INFO] [stdout] c4f2b7fd9c1ce1b182d7f3cdd1973ee5d2df2eac3afcbb86f14fef18a1cd99c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d112fea02b98a467d0bb6a9e0093745cac57ef28cbb7fee82730da71fc5df39a
[INFO] running `Command { std: "docker" "start" "-a" "d112fea02b98a467d0bb6a9e0093745cac57ef28cbb7fee82730da71fc5df39a", kill_on_drop: false }`
[INFO] [stderr]     Checking ssh-util v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `base64::Engine`
[INFO] [stdout]  --> src/sshrw.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base64::Engine;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/sshpubkey.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn parse(key: &str) -> SshResult<Self> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `SshResult` is never used
[INFO] [stdout]  --> src/sshbase.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub type SshResult<T> = Result<T, Box<dyn Error>>;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshReader` is never constructed
[INFO] [stdout]  --> src/sshrw.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct SshReader {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/sshrw.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl SshReader {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(bytes: Vec<u8>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn read_bytes(&mut self, len: u32) -> SshResult<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn read_u32(&mut self) -> SshResult<u32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn read_string(&mut self) -> SshResult<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn read_big_num(&mut self) -> SshResult<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn read_left(&mut self) -> SshResult<Vec<u8>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn left_bytes(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshWriter` is never constructed
[INFO] [stdout]   --> src/sshrw.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct SshWriter {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `as_slice`, `write_bytes`, `write_u32`, `write_string`, and `write_big_num` are never used
[INFO] [stdout]   --> src/sshrw.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl SshWriter {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 66 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn as_slice(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn write_bytes(&mut self, bytes: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |     pub fn write_u32(&mut self, i: u32) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn write_string(&mut self, bytes: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     pub fn write_big_num(&mut self, bn: &[u8]) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshPubicKey` is never constructed
[INFO] [stdout]  --> src/sshpubkey.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SshPubicKey {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SshPubicKeyValue` is never used
[INFO] [stdout]  --> src/sshpubkey.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum SshPubicKeyValue {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshRsaPublicKeyValue` is never constructed
[INFO] [stdout]   --> src/sshpubkey.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct SshRsaPublicKeyValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SshEcdsaPublicKeyAlgorithm` is never used
[INFO] [stdout]   --> src/sshpubkey.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum SshEcdsaPublicKeyAlgorithm {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshEcdsaPublicKeyValue` is never constructed
[INFO] [stdout]   --> src/sshpubkey.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct SshEcdsaPublicKeyValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshEd25519PublicKeyValue` is never constructed
[INFO] [stdout]   --> src/sshpubkey.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SshEd25519PublicKeyValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse` is never used
[INFO] [stdout]   --> src/sshpubkey.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl SshPubicKey {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn parse(key: &str) -> SshResult<Self> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshPrivateKey` is never constructed
[INFO] [stdout]  --> src/sshprivkey.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct SshPrivateKey {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshCert` is never constructed
[INFO] [stdout]  --> src/sshcert.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct SshCert {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_rsa`
[INFO] [stdout]    --> src/sshrw.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let id_rsa = "b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn\
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_rsa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id_ecdsa`
[INFO] [stdout]    --> src/sshrw.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let id_ecdsa = "b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS\
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_id_ecdsa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/sshpubkey.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn parse(key: &str) -> SshResult<Self> {
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshPubicKey` is never constructed
[INFO] [stdout]  --> src/sshpubkey.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SshPubicKey {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SshPubicKeyValue` is never used
[INFO] [stdout]  --> src/sshpubkey.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum SshPubicKeyValue {
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshRsaPublicKeyValue` is never constructed
[INFO] [stdout]   --> src/sshpubkey.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct SshRsaPublicKeyValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SshEcdsaPublicKeyAlgorithm` is never used
[INFO] [stdout]   --> src/sshpubkey.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum SshEcdsaPublicKeyAlgorithm {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshEcdsaPublicKeyValue` is never constructed
[INFO] [stdout]   --> src/sshpubkey.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct SshEcdsaPublicKeyValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshEd25519PublicKeyValue` is never constructed
[INFO] [stdout]   --> src/sshpubkey.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct SshEd25519PublicKeyValue {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `parse` is never used
[INFO] [stdout]   --> src/sshpubkey.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl SshPubicKey {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 36 |     pub fn parse(key: &str) -> SshResult<Self> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshPrivateKey` is never constructed
[INFO] [stdout]  --> src/sshprivkey.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct SshPrivateKey {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SshCert` is never constructed
[INFO] [stdout]  --> src/sshcert.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct SshCert {}
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "d112fea02b98a467d0bb6a9e0093745cac57ef28cbb7fee82730da71fc5df39a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d112fea02b98a467d0bb6a9e0093745cac57ef28cbb7fee82730da71fc5df39a", kill_on_drop: false }`
[INFO] [stdout] d112fea02b98a467d0bb6a9e0093745cac57ef28cbb7fee82730da71fc5df39a