[INFO] cloning repository https://github.com/ds2600/autobk-r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ds2600/autobk-r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds2600%2Fautobk-r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds2600%2Fautobk-r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5365f34a1ad739341b10d368b9a87ac8b24bc507
[INFO] checking ds2600/autobk-r against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds2600%2Fautobk-r" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ds2600/autobk-r
[INFO] finished tweaking git repo https://github.com/ds2600/autobk-r
[INFO] tweaked toml for git repo https://github.com/ds2600/autobk-r written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ds2600/autobk-r on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ds2600/autobk-r 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded named_pipe v0.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0934f68bae39bcdb53c8ad5cb556160f7572082935512e908b4bc005fa3cedbc
[INFO] running `Command { std: "docker" "start" "-a" "0934f68bae39bcdb53c8ad5cb556160f7572082935512e908b4bc005fa3cedbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0934f68bae39bcdb53c8ad5cb556160f7572082935512e908b4bc005fa3cedbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0934f68bae39bcdb53c8ad5cb556160f7572082935512e908b4bc005fa3cedbc", kill_on_drop: false }`
[INFO] [stdout] 0934f68bae39bcdb53c8ad5cb556160f7572082935512e908b4bc005fa3cedbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa345d52084ddac23db7a01f17556c791f8b63948d833f22e0ccc757df676b57
[INFO] running `Command { std: "docker" "start" "-a" "aa345d52084ddac23db7a01f17556c791f8b63948d833f22e0ccc757df676b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
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[INFO] [stderr]    Compiling memchr v2.7.1
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[INFO] [stderr]    Compiling lazy_static v1.4.0
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[INFO] [stderr]     Checking const-random v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking tap v1.0.1
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[INFO] [stderr]    Compiling rust_decimal v1.34.2
[INFO] [stderr]     Checking powerfmt v0.2.0
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
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[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]    Compiling async-trait v0.1.77
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[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking arrayvec v0.7.4
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[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking bigdecimal v0.3.1
[INFO] [stderr]     Checking bitvec v1.0.1
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[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]     Checking unsafe-any-ors v1.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking ordered-multimap v0.6.0
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[INFO] [stderr]     Checking lexical v6.1.1
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[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking crossbeam-queue v0.3.11
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[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking byteorder v1.5.0
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[INFO] [stderr]     Checking saturating v0.1.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling mysql v24.0.0
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling darling_core v0.20.5
[INFO] [stderr]    Compiling derive_utils v0.14.1
[INFO] [stderr]     Checking rust-ini v0.19.0
[INFO] [stderr]     Checking typemap-ors v1.0.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking pem v2.0.1
[INFO] [stderr]     Checking lru v0.10.1
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[INFO] [stderr]     Checking thread-id v4.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]    Compiling frunk_proc_macros v0.1.2
[INFO] [stderr]    Compiling io-enum v1.1.3
[INFO] [stderr]     Checking frunk v0.4.2
[INFO] [stderr]    Compiling darling_macro v0.20.5
[INFO] [stderr]    Compiling darling v0.20.5
[INFO] [stderr]    Compiling pest v2.7.7
[INFO] [stderr]    Compiling mysql-common-derive v0.30.2
[INFO] [stderr]    Compiling pest_meta v2.7.7
[INFO] [stderr]    Compiling pest_generator v2.7.7
[INFO] [stderr]    Compiling mysql_common v0.30.6
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking toml_edit v0.22.4
[INFO] [stderr]     Checking log4rs v1.2.0
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking config v0.14.0
[INFO] [stderr]     Checking autobk-r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/op_maintenance.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, error};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/op_maintenance.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{ Path, PathBuf };
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/op_autobackups.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, error};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/op_maintenance.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::{info, error};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PathBuf`
[INFO] [stdout]  --> src/op_maintenance.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::{ Path, PathBuf };
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `info`
[INFO] [stdout]  --> src/op_autobackups.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use log::{info, error};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/op_autobackups.rs:160:103
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) {
[INFO] [stdout]     | ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 160 |                         let k_backup = insert_backup(&mut conn, device_id, &backup_file, &backup_hash)?;
[INFO] [stdout]     |                                                                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                             +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/op_autobackups.rs:163:100
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) {
[INFO] [stdout]     | ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 163 |                         insert_backup_version(&mut conn, k_backup, device_id, latest_version + 1.0)?;
[INFO] [stdout]     |                                                                                                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                             +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/op_autobackups.rs:168:110
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) {
[INFO] [stdout]     | ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 168 |                         update_schedule(&mut conn, &schedule_id, "Complete", "Changes detected, new version")?;
[INFO] [stdout]     |                                                                                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                             +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/op_autobackups.rs:160:103
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) {
[INFO] [stdout]     | ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 160 |                         let k_backup = insert_backup(&mut conn, device_id, &backup_file, &backup_hash)?;
[INFO] [stdout]     |                                                                                                       ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                             +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/op_autobackups.rs:163:100
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) {
[INFO] [stdout]     | ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 163 |                         insert_backup_version(&mut conn, k_backup, device_id, latest_version + 1.0)?;
[INFO] [stdout]     |                                                                                                    ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                             +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
[INFO] [stdout]    --> src/op_autobackups.rs:168:110
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) {
[INFO] [stdout]     | ------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 168 |                         update_schedule(&mut conn, &schedule_id, "Complete", "Changes detected, new version")?;
[INFO] [stdout]     |                                                                                                              ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]     |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]     |
[INFO] [stdout] 57  | pub fn run_autobackups(config: &BaseConfig) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]     |                                             +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Device`
[INFO] [stdout]  --> src/op_autobackups.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::device_types::{get_device, Device};
[INFO] [stdout]   |                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k_device`
[INFO] [stdout]   --> src/op_maintenance.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for (k_self, k_device, s_file, _) in expired_backups {
[INFO] [stdout]    |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_k_device`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Device`
[INFO] [stdout]  --> src/op_autobackups.rs:9:39
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::device_types::{get_device, Device};
[INFO] [stdout]   |                                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k_device`
[INFO] [stdout]   --> src/op_maintenance.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |     for (k_self, k_device, s_file, _) in expired_backups {
[INFO] [stdout]    |                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_k_device`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `autobk-r` (bin "autobk-r") due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `autobk-r` (bin "autobk-r" test) due to 3 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aa345d52084ddac23db7a01f17556c791f8b63948d833f22e0ccc757df676b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa345d52084ddac23db7a01f17556c791f8b63948d833f22e0ccc757df676b57", kill_on_drop: false }`
[INFO] [stdout] aa345d52084ddac23db7a01f17556c791f8b63948d833f22e0ccc757df676b57
