[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#5257aee7dd163d21d32fa904578d4fb0f4c91b79 for pr-116494-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasept%2Fminitor" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/casept/minitor on toolchain 5257aee7dd163d21d32fa904578d4fb0f4c91b79 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "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-0-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" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rs-libc v0.1.0 [INFO] [stderr] Downloaded yasna v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 848d89b311bf60c3005e218498c02a8fc306c8a3a12e71c6683110d4834f0d59 [INFO] running `Command { std: "docker" "start" "-a" "848d89b311bf60c3005e218498c02a8fc306c8a3a12e71c6683110d4834f0d59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "848d89b311bf60c3005e218498c02a8fc306c8a3a12e71c6683110d4834f0d59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "848d89b311bf60c3005e218498c02a8fc306c8a3a12e71c6683110d4834f0d59", kill_on_drop: false }` [INFO] [stdout] 848d89b311bf60c3005e218498c02a8fc306c8a3a12e71c6683110d4834f0d59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5257aee7dd163d21d32fa904578d4fb0f4c91b79" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2525534caf5f151318bf9c646906293fb925398f49768dbe8103ff603733166 [INFO] running `Command { std: "docker" "start" "-a" "f2525534caf5f151318bf9c646906293fb925398f49768dbe8103ff603733166", kill_on_drop: false }` [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 glob v0.3.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling regex-syntax v0.6.13 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling strsim v0.8.0 [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 rustc-hash v1.0.1 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking yasna v0.2.2 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling clang-sys v0.28.1 [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 aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v3.1.0 [INFO] [stderr] Compiling clap v2.33.0 [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`, `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; [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; [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, [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, [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, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 59 | ed25519_key_extension: Option, [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, [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>, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 81 | signature: Vec, // 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, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 179 | x509_cert: Option, [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, [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] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking minitor v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.73s [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 2` [INFO] running `Command { std: "docker" "inspect" "f2525534caf5f151318bf9c646906293fb925398f49768dbe8103ff603733166", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2525534caf5f151318bf9c646906293fb925398f49768dbe8103ff603733166", kill_on_drop: false }` [INFO] [stdout] f2525534caf5f151318bf9c646906293fb925398f49768dbe8103ff603733166