[INFO] cloning repository https://github.com/2ptr/kclient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2ptr/kclient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2ptr%2Fkclient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2ptr%2Fkclient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cea4a4bf46a062ac62e410f12d426c6534b71c2
[INFO] checking 2ptr/kclient against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2ptr%2Fkclient" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2ptr/kclient on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2ptr/kclient
[INFO] finished tweaking git repo https://github.com/2ptr/kclient
[INFO] tweaked toml for git repo https://github.com/2ptr/kclient written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/2ptr/kclient 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc116b3a88662bba132862b9e564494f96a27eb3253318c1cf414cd6a8184fd4
[INFO] running `Command { std: "docker" "start" "-a" "cc116b3a88662bba132862b9e564494f96a27eb3253318c1cf414cd6a8184fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc116b3a88662bba132862b9e564494f96a27eb3253318c1cf414cd6a8184fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc116b3a88662bba132862b9e564494f96a27eb3253318c1cf414cd6a8184fd4", kill_on_drop: false }`
[INFO] [stdout] cc116b3a88662bba132862b9e564494f96a27eb3253318c1cf414cd6a8184fd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ec8845d80c932cd22f0cf1633af24b96c1fc66dc1e0aeb76cdf740eccdd98e8
[INFO] running `Command { std: "docker" "start" "-a" "6ec8845d80c932cd22f0cf1633af24b96c1fc66dc1e0aeb76cdf740eccdd98e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking kerberos_constants v0.0.9
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking md4 v0.8.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking kerberos_crypto v0.3.6
[INFO] [stderr]     Checking kclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `kerberos_crypto::aes_hmac_sha1`
[INFO] [stdout]  --> src/kerberos/asktgt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use kerberos_crypto::aes_hmac_sha1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `kerberos_crypto::aes_hmac_sha1`
[INFO] [stdout]  --> src/kerberos/asktgt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use kerberos_crypto::aes_hmac_sha1;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/kerberos/connector.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut stream = TcpStream::connect(host_string.clone())
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/kerberos/connector.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut identity = ADUser::new(
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/kerberos/connector.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let mut stream = TcpStream::connect(host_string.clone())
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/kerberos/connector.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let mut identity = ADUser::new(
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `domain`, `username`, and `password` are never read
[INFO] [stdout]  --> src/kerberos/connector.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ADUser {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     domain : String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     username : String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     password : String
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `con_string`, `authenticated`, and `identity` are never read
[INFO] [stdout]   --> src/kerberos/connector.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct KerberosConnection {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 28 |     con_string : String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     stream : TcpStream,
[INFO] [stdout] 30 |     authenticated : bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 31 |     identity: ADUser
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_256_salt` is never used
[INFO] [stdout]  --> src/kerberos/messages.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn gen_256_salt(realm: &str, client_name: &str) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `domain`, `username`, and `password` are never read
[INFO] [stdout]  --> src/kerberos/connector.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct ADUser {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     domain : String,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     username : String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 7 |     password : String
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `con_string`, `authenticated`, and `identity` are never read
[INFO] [stdout]   --> src/kerberos/connector.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct KerberosConnection {
[INFO] [stdout]    |            ------------------ fields in this struct
[INFO] [stdout] 28 |     con_string : String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     stream : TcpStream,
[INFO] [stdout] 30 |     authenticated : bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 31 |     identity: ADUser
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gen_256_salt` is never used
[INFO] [stdout]  --> src/kerberos/messages.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn gen_256_salt(realm: &str, client_name: &str) -> Vec<u8> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kerberos/connector.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         self.stream.write(buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = self.stream.write(buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kerberos/connector.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         self.stream.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = self.stream.flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kerberos/connector.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.stream.read_to_end(buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = self.stream.read_to_end(buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kerberos/connector.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         self.stream.write(buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = self.stream.write(buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kerberos/connector.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         self.stream.flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 84 |         let _ = self.stream.flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/kerberos/connector.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         self.stream.read_to_end(buf);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 89 |         let _ = self.stream.read_to_end(buf);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "6ec8845d80c932cd22f0cf1633af24b96c1fc66dc1e0aeb76cdf740eccdd98e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec8845d80c932cd22f0cf1633af24b96c1fc66dc1e0aeb76cdf740eccdd98e8", kill_on_drop: false }`
[INFO] [stdout] 6ec8845d80c932cd22f0cf1633af24b96c1fc66dc1e0aeb76cdf740eccdd98e8
