[INFO] cloning repository https://github.com/casept/minitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casept/minitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasept%2Fminitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasept%2Fminitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b48eef54c074fb60c3a7bcfd1095ce683b6c94cc
[INFO] checking casept/minitor/b48eef54c074fb60c3a7bcfd1095ce683b6c94cc against master#cb06d12710575a0d7ff71d6fe108f3bcff4f9195 for pr-128425-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasept%2Fminitor" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casept/minitor on toolchain cb06d12710575a0d7ff71d6fe108f3bcff4f9195
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/casept/minitor
[INFO] finished tweaking git repo https://github.com/casept/minitor
[INFO] tweaked toml for git repo https://github.com/casept/minitor written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/casept/minitor 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" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jseyfried/rust-mbedtls.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/jseyfried/rust-bindgen`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yasna v0.2.2
[INFO] [stderr]   Downloaded rs-libc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 758c49b7978a265c73a0a678a48960803364d319f7327e8e39335118d714d033
[INFO] running `Command { std: "docker" "start" "-a" "758c49b7978a265c73a0a678a48960803364d319f7327e8e39335118d714d033", kill_on_drop: false }`
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[INFO] [stdout] 758c49b7978a265c73a0a678a48960803364d319f7327e8e39335118d714d033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+cb06d12710575a0d7ff71d6fe108f3bcff4f9195" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bindgen v0.52.0 (https://github.com/jseyfried/rust-bindgen?branch=can-blacklisted-derive#9632f62b)
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking yasna v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling mbedtls v0.5.1 (https://github.com/jseyfried/rust-mbedtls.git?branch=update-bindgen#a8965416)
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling mbedtls-sys-auto v2.18.2 (https://github.com/jseyfried/rust-mbedtls.git?branch=update-bindgen#a8965416)
[INFO] [stderr]     Checking minionion v0.1.0 (/opt/rustwide/workdir/minionion)
[INFO] [stdout] warning: unused imports: `Cursor` and `Write`
[INFO] [stdout]  --> minionion/src/cell/variable_cell.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Cursor, Error, Read, Write};
[INFO] [stdout]   |               ^^^^^^               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `affects_validation` is assigned to, but never used
[INFO] [stdout]    --> minionion/src/cell/certs.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut affects_validation = false;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_affects_validation` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `affects_validation` is never read
[INFO] [stdout]    --> minionion/src/cell/certs.rs:129:22
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 1 => affects_validation = true,
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ed25519_cross`
[INFO] [stdout]    --> minionion/src/cell/certs.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let ed25519_cross: Option<RSAEd25519Cross>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ed25519_cross`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed_with_ed25519_key_extension`
[INFO] [stdout]    --> minionion/src/cell/certs.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let signed_with_ed25519_key_extension: Option<SignedWithEd25519KeyExtension>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed_with_ed25519_key_extension`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rdr`
[INFO] [stdout]    --> minionion/src/cell/certs.rs:239:34
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn parse_signed_with_ed25519_key(rdr: &mut dyn Read) -> SignedWithEd25519Key {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_rdr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `challenge` and `methods` are never read
[INFO] [stdout]   --> minionion/src/cell/auth_challenge.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub(crate) struct AuthChallengeCell {
[INFO] [stdout]    |                   ----------------- fields in this struct
[INFO] [stdout] 28 |     challenge: [u8; CHALLENGE_LEN],
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 29 |     methods: Vec<AuthMethods>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AuthChallengeCell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `generate_challenge_response_cell` is never used
[INFO] [stdout]   --> minionion/src/cell/auth_challenge.rs:43:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl AuthChallengeCell {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub(crate) fn generate_challenge_response_cell(&self) {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `certs` is never read
[INFO] [stdout]  --> minionion/src/cell/certs.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct CertsCell {
[INFO] [stdout]   |                   --------- field in this struct
[INFO] [stdout] 9 |     certs: Vec<Cert>,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CertsCell` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ext_type`, `rsa_ed25519_cross`, and `ed25519_key_extension` are never read
[INFO] [stdout]   --> minionion/src/cell/certs.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct CertExtension {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 57 |     ext_type: CertExtType,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 58 |     rsa_ed25519_cross: Option<RSAEd25519Cross>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 59 |     ed25519_key_extension: Option<SignedWithEd25519KeyExtension>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CertExtension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `affects_validation` and `key` are never read
[INFO] [stdout]   --> minionion/src/cell/certs.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct SignedWithEd25519KeyExtension {
[INFO] [stdout]    |        ----------------------------- fields in this struct
[INFO] [stdout] 63 |     affects_validation: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 64 |     key: [u8; 32],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SignedWithEd25519KeyExtension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ed25519_key`, `expiration_date`, and `signature` are never read
[INFO] [stdout]   --> minionion/src/cell/certs.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct RSAEd25519Cross {
[INFO] [stdout]    |        --------------- fields in this struct
[INFO] [stdout] 69 |     ed25519_key: [u8; 32],
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 70 |     expiration_date: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 71 |     signature: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RSAEd25519Cross` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cert_type`, `expiration_date`, `cert_key_type`, `certified_key`, `extensions`, and `signature` are never read
[INFO] [stdout]   --> minionion/src/cell/certs.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct TorCustomFormatCert {
[INFO] [stdout]    |        ------------------- fields in this struct
[INFO] [stdout] 76 |     cert_type: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 77 |     expiration_date: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 78 |     cert_key_type: CertType,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 79 |     certified_key: [u8; 32],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 80 |     extensions: Option<Vec<CertExtension>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 81 |     signature: Vec<u8>, // Actually always 64 bytes long, but Debug can't be autoderived on long arrays
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TorCustomFormatCert` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cert_type`, `tor_format_cert`, and `x509_cert` are never read
[INFO] [stdout]    --> minionion/src/cell/certs.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub(crate) struct Cert {
[INFO] [stdout]     |                   ---- fields in this struct
[INFO] [stdout] 177 |     cert_type: CertType,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 178 |     tor_format_cert: Option<TorCustomFormatCert>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 179 |     x509_cert: Option<Certificate>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Cert` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `circuit_id` and `payload` are never read
[INFO] [stdout]   --> minionion/src/cell/fixed_cell.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub(crate) struct FixedCell {
[INFO] [stdout]    |                   --------- fields in this struct
[INFO] [stdout] 48 |     pub(crate) circuit_id: [u8; super::CIRCID_LEN_NEW],
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 49 |     pub(crate) command: FixedCommand,
[INFO] [stdout] 50 |     pub(crate) payload: Vec<u8>,
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FixedCell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_bytes` is never used
[INFO] [stdout]    --> minionion/src/cell/fixed_cell.rs:101:19
[INFO] [stdout]     |
[INFO] [stdout] 53  | impl FixedCell {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 101 |     pub(crate) fn to_bytes(&self) -> [u8; CELL_LEN] {
[INFO] [stdout]     |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cell` is never read
[INFO] [stdout]  --> minionion/src/cell/net_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub(crate) struct NetInfoCell {
[INFO] [stdout]   |                   ----------- field in this struct
[INFO] [stdout] 6 |     cell: FixedCell,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NetInfoCell` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> minionion/src/cell/certs.rs:245:5
[INFO] [stdout]     |
[INFO] [stdout] 245 |     rdr.read_exact(&mut ed25519_key);
[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] 245 |     let _ = rdr.read_exact(&mut ed25519_key);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> minionion/src/cell/certs.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |     rdr.read_exact(&mut expiration_date);
[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] 248 |     let _ = rdr.read_exact(&mut expiration_date);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> minionion/src/cell/certs.rs:251:5
[INFO] [stdout]     |
[INFO] [stdout] 251 |     rdr.read_exact(&mut sig_len);
[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] 251 |     let _ = rdr.read_exact(&mut sig_len);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> minionion/src/cell/certs.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 255 |     rdr.read_exact(&mut sig_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] 255 |     let _ = rdr.read_exact(&mut sig_buf);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking minitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b6b3d2cb31c1314f68d552654b415d54aa4a687e36a4b79495b19eaf78dda921", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6b3d2cb31c1314f68d552654b415d54aa4a687e36a4b79495b19eaf78dda921", kill_on_drop: false }`
[INFO] [stdout] b6b3d2cb31c1314f68d552654b415d54aa4a687e36a4b79495b19eaf78dda921
