[INFO] fetching crate tquest 0.3.1...
[INFO] checking tquest-0.3.1 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] extracting crate tquest 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tquest 0.3.1
[INFO] finished tweaking crates.io crate tquest 0.3.1
[INFO] tweaked toml for crates.io crate tquest 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tquest 0.3.1 on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to highest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.1.1)
[INFO] [stderr]       Adding rustyline v14.0.0 (available: v18.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `tquest` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded builder_m4cro v0.4.0
[INFO] [stderr]   Downloaded error-code v3.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2
[INFO] running `Command { std: "docker" "start" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: explicit `package.readme` can be inferred
[INFO] [stderr]   --> Cargo.toml:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | readme = "README.md"
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::manual_readme` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.readme`
[INFO] [stderr] warning: `tquest` (manifest) generated 1 warning
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking fd-lock v4.0.4
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling builder_m4cro v0.4.0
[INFO] [stderr]     Checking rustyline v14.0.0
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking tquest v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/ui.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/ui.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ui.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let mut input = String::new(); 
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/ui.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let mut input = String::new(); 
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ui.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let mut input = String::new(); 
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/ui.rs:284:17
[INFO] [stdout]     |
[INFO] [stdout] 284 |             let mut input = String::new(); 
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Canceled` is never constructed
[INFO] [stdout]   --> src/ui.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum QuestionScreenResult {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] 14 |     Canceled,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Canceled` is never constructed
[INFO] [stdout]   --> src/ui.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum ProceedScreenResult {
[INFO] [stdout]    |          ------------------- variant in this enum
[INFO] [stdout] 21 |     Canceled,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Urgent` is never constructed
[INFO] [stdout]   --> src/ui.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum MsgLevel {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 26 |     Normal,
[INFO] [stdout] 27 |     Urgent,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NoPersistence` is never constructed
[INFO] [stdout]    --> src/persistence.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub struct NoPersistence {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/persistence.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl NoPersistence {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 113 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Canceled` is never constructed
[INFO] [stdout]   --> src/ui.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub enum QuestionScreenResult {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] 14 |     Canceled,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Canceled` is never constructed
[INFO] [stdout]   --> src/ui.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum ProceedScreenResult {
[INFO] [stdout]    |          ------------------- variant in this enum
[INFO] [stdout] 21 |     Canceled,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Urgent` is never constructed
[INFO] [stdout]   --> src/ui.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum MsgLevel {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] 26 |     Normal,
[INFO] [stdout] 27 |     Urgent,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nix v0.28.0
[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" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2", kill_on_drop: false }`
[INFO] [stdout] 7c7384000352b4c3d4956f1f33735a0ca2fcc27cc49d285c39f8a978c00076e2
