[INFO] cloning repository https://github.com/SaltyKitkat/iur
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaltyKitkat/iur" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8405f676d73370dbd7195c61d9a774251d3d4345
[INFO] building SaltyKitkat/iur against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaltyKitkat%2Fiur" "/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/SaltyKitkat/iur on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaltyKitkat/iur
[INFO] finished tweaking git repo https://github.com/SaltyKitkat/iur
[INFO] tweaked toml for git repo https://github.com/SaltyKitkat/iur written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SaltyKitkat/iur 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libmedium v0.5.5
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69f9928d472bc8f7edab95c9396818d8a479ddc3bddd2f8b23954931f55b5f14
[INFO] running `Command { std: "docker" "start" "-a" "69f9928d472bc8f7edab95c9396818d8a479ddc3bddd2f8b23954931f55b5f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69f9928d472bc8f7edab95c9396818d8a479ddc3bddd2f8b23954931f55b5f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f9928d472bc8f7edab95c9396818d8a479ddc3bddd2f8b23954931f55b5f14", kill_on_drop: false }`
[INFO] [stdout] 69f9928d472bc8f7edab95c9396818d8a479ddc3bddd2f8b23954931f55b5f14
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8286ab088ae0eb4edf4b4d6e86eec6bb31e227a790b52c5a78167b8705081039
[INFO] running `Command { std: "docker" "start" "-a" "8286ab088ae0eb4edf4b4d6e86eec6bb31e227a790b52c5a78167b8705081039", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling libmedium v0.5.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iur v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]  --> src/modes/rw/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn apply(conf: Config) -> ! {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_path`
[INFO] [stdout]  --> src/config/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn from_file(config_path: &Path) -> Option<Config> {
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/config/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `undervolts`, `powerlimit`, and `tjoffset` are never read
[INFO] [stdout]  --> src/config/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     undervolts: [i32; 5],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     powerlimit: [i32; 2],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tjoffset: Option<i32>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "8286ab088ae0eb4edf4b4d6e86eec6bb31e227a790b52c5a78167b8705081039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8286ab088ae0eb4edf4b4d6e86eec6bb31e227a790b52c5a78167b8705081039", kill_on_drop: false }`
[INFO] [stdout] 8286ab088ae0eb4edf4b4d6e86eec6bb31e227a790b52c5a78167b8705081039
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 936a3d819dfdc67b6a80f8a1a48a2af3789a4aceda4d9ff9bdcdc48fc33dec10
[INFO] running `Command { std: "docker" "start" "-a" "936a3d819dfdc67b6a80f8a1a48a2af3789a4aceda4d9ff9bdcdc48fc33dec10", kill_on_drop: false }`
[INFO] [stderr]    Compiling iur v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]  --> src/modes/rw/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn apply(conf: Config) -> ! {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_path`
[INFO] [stdout]  --> src/config/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn from_file(config_path: &Path) -> Option<Config> {
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/config/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `undervolts`, `powerlimit`, and `tjoffset` are never read
[INFO] [stdout]  --> src/config/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     undervolts: [i32; 5],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     powerlimit: [i32; 2],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tjoffset: Option<i32>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conf`
[INFO] [stdout]  --> src/modes/rw/mod.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn apply(conf: Config) -> ! {
[INFO] [stdout]   |              ^^^^ help: if this is intentional, prefix it with an underscore: `_conf`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config_path`
[INFO] [stdout]  --> src/config/mod.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn from_file(config_path: &Path) -> Option<Config> {
[INFO] [stdout]   |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_config_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/config/mod.rs:18:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `undervolts`, `powerlimit`, and `tjoffset` are never read
[INFO] [stdout]  --> src/config/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Config {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 4 |     undervolts: [i32; 5],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     powerlimit: [i32; 2],
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 6 |     tjoffset: Option<i32>,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "936a3d819dfdc67b6a80f8a1a48a2af3789a4aceda4d9ff9bdcdc48fc33dec10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936a3d819dfdc67b6a80f8a1a48a2af3789a4aceda4d9ff9bdcdc48fc33dec10", kill_on_drop: false }`
[INFO] [stdout] 936a3d819dfdc67b6a80f8a1a48a2af3789a4aceda4d9ff9bdcdc48fc33dec10