[INFO] cloning repository https://github.com/kleinschrader/oxirc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kleinschrader/oxirc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkleinschrader%2Foxirc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkleinschrader%2Foxirc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7e294e0e01b179cbdaf31792fbf6e874ef7ee8c
[INFO] checking kleinschrader/oxirc against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkleinschrader%2Foxirc" "/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/kleinschrader/oxirc on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kleinschrader/oxirc
[INFO] finished tweaking git repo https://github.com/kleinschrader/oxirc
[INFO] tweaked toml for git repo https://github.com/kleinschrader/oxirc written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kleinschrader/oxirc 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd950b7ce35d72f75ef632c19d6a520ee375116bb8962fc26fb38185dd66603b
[INFO] running `Command { std: "docker" "start" "-a" "cd950b7ce35d72f75ef632c19d6a520ee375116bb8962fc26fb38185dd66603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd950b7ce35d72f75ef632c19d6a520ee375116bb8962fc26fb38185dd66603b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd950b7ce35d72f75ef632c19d6a520ee375116bb8962fc26fb38185dd66603b", kill_on_drop: false }`
[INFO] [stdout] cd950b7ce35d72f75ef632c19d6a520ee375116bb8962fc26fb38185dd66603b
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33d2cc552541071430c0adc43bb702e588c2227a329857beaf982350430f5c5
[INFO] running `Command { std: "docker" "start" "-a" "a33d2cc552541071430c0adc43bb702e588c2227a329857beaf982350430f5c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.23.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking oxirc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `unit`
[INFO] [stdout]   --> src/funcs/units.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let unit = match load_unit_data(&unit_entry_path) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_unit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/funcs/units.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut sub_result = load_units(&unit_entry_path);
[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: unused variable: `config_data`
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let config_data = load_config_data(&config_file_path).expect("Error parsing yaml");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `oxirc_api_version`, `boot_stages`, and `die_on_failure` are never read
[INFO] [stdout]  --> src/structs.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub oxirc_api_version: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pub boot_stages: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 7 |     pub die_on_failure: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `unit_type`, `runas`, `requires`, `command`, and `args` are never read
[INFO] [stdout]   --> src/structs.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Unit {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 12 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub unit_type: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub runas: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 15 |     pub requires: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 16 |     pub command: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 17 |     pub args: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnitStatuses` is never used
[INFO] [stdout]   --> src/structs.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum UnitStatuses {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnitContainer` is never constructed
[INFO] [stdout]   --> src/structs.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct UnitContainer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `oxirc_api_version`, `boot_stages`, and `die_on_failure` are never read
[INFO] [stdout]  --> src/funcs/../structs.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub oxirc_api_version: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pub boot_stages: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 7 |     pub die_on_failure: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `unit_type`, and `requires` are never read
[INFO] [stdout]   --> src/funcs/../structs.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Unit {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 12 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub unit_type: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub runas: String,
[INFO] [stdout] 15 |     pub requires: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ready`, `Running`, `Finished`, and `Crashed` are never constructed
[INFO] [stdout]   --> src/funcs/../structs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum UnitStatuses {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 21 |     Unknown,
[INFO] [stdout] 22 |     Ready,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 23 |     Running,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     Finished,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     Crashed,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_modifed` is never read
[INFO] [stdout]   --> src/funcs/../structs.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct UnitContainer {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 30 |     pub unit: Unit,
[INFO] [stdout] 31 |     pub last_modifed: std::time::SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unit`
[INFO] [stdout]   --> src/funcs/units.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let unit = match load_unit_data(&unit_entry_path) {
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_unit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/funcs/units.rs:56:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut sub_result = load_units(&unit_entry_path);
[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: unused variable: `config_data`
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let config_data = load_config_data(&config_file_path).expect("Error parsing yaml");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `oxirc_api_version`, `boot_stages`, and `die_on_failure` are never read
[INFO] [stdout]  --> src/structs.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub oxirc_api_version: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pub boot_stages: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 7 |     pub die_on_failure: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `unit_type`, `runas`, `requires`, `command`, and `args` are never read
[INFO] [stdout]   --> src/structs.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Unit {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 12 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub unit_type: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub runas: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 15 |     pub requires: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 16 |     pub command: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 17 |     pub args: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnitStatuses` is never used
[INFO] [stdout]   --> src/structs.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum UnitStatuses {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnitContainer` is never constructed
[INFO] [stdout]   --> src/structs.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct UnitContainer {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `oxirc_api_version`, `boot_stages`, and `die_on_failure` are never read
[INFO] [stdout]  --> src/funcs/../structs.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |     pub oxirc_api_version: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     pub boot_stages: Vec<String>,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 7 |     pub die_on_failure: bool,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `unit_type`, and `requires` are never read
[INFO] [stdout]   --> src/funcs/../structs.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Unit {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 12 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub unit_type: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 14 |     pub runas: String,
[INFO] [stdout] 15 |     pub requires: Vec<String>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Ready`, `Running`, `Finished`, and `Crashed` are never constructed
[INFO] [stdout]   --> src/funcs/../structs.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum UnitStatuses {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout] 21 |     Unknown,
[INFO] [stdout] 22 |     Ready,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 23 |     Running,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 24 |     Finished,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     Crashed,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_modifed` is never read
[INFO] [stdout]   --> src/funcs/../structs.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct UnitContainer {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 30 |     pub unit: Unit,
[INFO] [stdout] 31 |     pub last_modifed: std::time::SystemTime,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.91s
[INFO] running `Command { std: "docker" "inspect" "a33d2cc552541071430c0adc43bb702e588c2227a329857beaf982350430f5c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33d2cc552541071430c0adc43bb702e588c2227a329857beaf982350430f5c5", kill_on_drop: false }`
[INFO] [stdout] a33d2cc552541071430c0adc43bb702e588c2227a329857beaf982350430f5c5