[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] testing ds2600/autobk-r against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds2600%2Fautobk-r" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ds2600/autobk-r on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc1/source/Cargo.toml
[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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing ds2600/autobk-r against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fds2600%2Fautobk-r" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ds2600/autobk-r on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-7-tc2/source/Cargo.toml
[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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4541791015fbbc1bdb2515c6775194a77134fde87cc594c846209c343b219ba3
[INFO] running `Command { std: "docker" "start" "-a" "4541791015fbbc1bdb2515c6775194a77134fde87cc594c846209c343b219ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4541791015fbbc1bdb2515c6775194a77134fde87cc594c846209c343b219ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4541791015fbbc1bdb2515c6775194a77134fde87cc594c846209c343b219ba3", kill_on_drop: false }`
[INFO] [stdout] 4541791015fbbc1bdb2515c6775194a77134fde87cc594c846209c343b219ba3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b4fb0e8e35524f4c964069a0bf8183cf314f7b82fb0c1ed03b4f7c01c706d7
[INFO] running `Command { std: "docker" "start" "-a" "49b4fb0e8e35524f4c964069a0bf8183cf314f7b82fb0c1ed03b4f7c01c706d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
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[INFO] [stderr]    Compiling yaml-rust v0.4.5
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[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling darling v0.20.5
[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling serde_spanned v0.6.5
[INFO] [stderr]    Compiling heck v0.4.1
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[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling percent-encoding v2.3.1
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[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling frunk v0.4.2
[INFO] [stderr]    Compiling mysql-common-derive v0.30.2
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling toml_edit v0.22.4
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling bigdecimal v0.3.1
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[INFO] [stderr]    Compiling ordered-multimap v0.6.0
[INFO] [stderr]    Compiling lexical v6.1.1
[INFO] [stderr]    Compiling pest_derive v2.7.7
[INFO] [stderr]    Compiling sha2 v0.10.8
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[INFO] [stderr]    Compiling derive_utils v0.14.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling saturating v0.1.0
[INFO] [stderr]    Compiling mysql v24.0.0
[INFO] [stderr]    Compiling bytes v1.5.0
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[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling uuid v1.7.0
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[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.33
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling io-enum v1.1.3
[INFO] [stderr]    Compiling toml v0.8.10
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rust-ini v0.19.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling pem v2.0.1
[INFO] [stderr]    Compiling lru v0.10.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thread-id v4.2.1
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling pathdiff v0.2.1
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling log4rs v1.2.0
[INFO] [stderr]    Compiling config v0.14.0
[INFO] [stderr]    Compiling 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] 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: the trait `FromResidual<std::result::Result<Infallible, mysql::Error>>` is not implemented for `()`
[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: the trait `FromResidual<std::result::Result<Infallible, mysql::Error>>` is not implemented for `()`
[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: the trait `FromResidual<std::result::Result<Infallible, mysql::Error>>` is not implemented for `()`
[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] error: aborting due to 3 previous errors; 6 warnings emitted
[INFO] [stdout] 
[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 4 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "49b4fb0e8e35524f4c964069a0bf8183cf314f7b82fb0c1ed03b4f7c01c706d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b4fb0e8e35524f4c964069a0bf8183cf314f7b82fb0c1ed03b4f7c01c706d7", kill_on_drop: false }`
[INFO] [stdout] 49b4fb0e8e35524f4c964069a0bf8183cf314f7b82fb0c1ed03b4f7c01c706d7