[INFO] fetching crate tquest 0.3.1...
[INFO] building tquest-0.3.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tquest 0.3.1 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tquest 0.3.1 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding colored v2.2.0 (available: v3.0.0)
[INFO] [stderr]       Adding rustyline v14.0.0 (available: v17.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bb5306d8d5cd1b60b7c893bd153c01954e169587be821cd622ad6d8e384544c
[INFO] running `Command { std: "docker" "start" "-a" "1bb5306d8d5cd1b60b7c893bd153c01954e169587be821cd622ad6d8e384544c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bb5306d8d5cd1b60b7c893bd153c01954e169587be821cd622ad6d8e384544c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb5306d8d5cd1b60b7c893bd153c01954e169587be821cd622ad6d8e384544c", kill_on_drop: false }`
[INFO] [stdout] 1bb5306d8d5cd1b60b7c893bd153c01954e169587be821cd622ad6d8e384544c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 475a0663d96e41804e97faa26e5dd00f6a0cbac527eaa4e7b15b429e4a75f11e
[INFO] running `Command { std: "docker" "start" "-a" "475a0663d96e41804e97faa26e5dd00f6a0cbac527eaa4e7b15b429e4a75f11e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling fd-lock v4.0.4
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling builder_m4cro v0.4.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling rustyline v14.0.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling 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 variable: `input`
[INFO] [stdout]    --> src/ui.rs:284:21
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "475a0663d96e41804e97faa26e5dd00f6a0cbac527eaa4e7b15b429e4a75f11e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "475a0663d96e41804e97faa26e5dd00f6a0cbac527eaa4e7b15b429e4a75f11e", kill_on_drop: false }`
[INFO] [stdout] 475a0663d96e41804e97faa26e5dd00f6a0cbac527eaa4e7b15b429e4a75f11e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 451140d5f05755a674eec9c38ff085356eca62f0bca84baddc54d85c2e9b9bfc
[INFO] running `Command { std: "docker" "start" "-a" "451140d5f05755a674eec9c38ff085356eca62f0bca84baddc54d85c2e9b9bfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 variable: `input`
[INFO] [stdout]    --> src/ui.rs:284:21
[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: 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: 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 variable: `input`
[INFO] [stdout]    --> src/ui.rs:284:21
[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: 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 `test` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "451140d5f05755a674eec9c38ff085356eca62f0bca84baddc54d85c2e9b9bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "451140d5f05755a674eec9c38ff085356eca62f0bca84baddc54d85c2e9b9bfc", kill_on_drop: false }`
[INFO] [stdout] 451140d5f05755a674eec9c38ff085356eca62f0bca84baddc54d85c2e9b9bfc
