[INFO] fetching crate svalbard 1.0.1...
[INFO] checking svalbard-1.0.1 against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] extracting crate svalbard 1.0.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate svalbard 1.0.1 on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate svalbard 1.0.1
[INFO] finished tweaking crates.io crate svalbard 1.0.1
[INFO] tweaked toml for crates.io crate svalbard 1.0.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate svalbard 1.0.1 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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded blake2b_simd v0.5.9
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded enumset_derive v0.4.3
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded xi-unicode v0.2.0
[INFO] [stderr]   Downloaded hashbrown v0.5.0
[INFO] [stderr]   Downloaded arc-swap v0.4.3
[INFO] [stderr]   Downloaded toml v0.5.5
[INFO] [stderr]   Downloaded enumset v0.4.4
[INFO] [stderr]   Downloaded signal-hook-registry v1.1.1
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded signal-hook v0.1.11
[INFO] [stderr]   Downloaded enum-map v0.6.1
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded ferris-says v0.1.1
[INFO] [stderr]   Downloaded ferris_print v0.1.0
[INFO] [stderr]   Downloaded cursive v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dd962ad72801630de186d23927cb0283fd5519323c390b12407b73ec42ffe7e
[INFO] running `Command { std: "docker" "start" "-a" "8dd962ad72801630de186d23927cb0283fd5519323c390b12407b73ec42ffe7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dd962ad72801630de186d23927cb0283fd5519323c390b12407b73ec42ffe7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dd962ad72801630de186d23927cb0283fd5519323c390b12407b73ec42ffe7e", kill_on_drop: false }`
[INFO] [stdout] 8dd962ad72801630de186d23927cb0283fd5519323c390b12407b73ec42ffe7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb80efffbc7962b6ba4b558a0a38f560a5cb0974f7a7acab00ca15fcc3dc1bb
[INFO] running `Command { std: "docker" "start" "-a" "3cb80efffbc7962b6ba4b558a0a38f560a5cb0974f7a7acab00ca15fcc3dc1bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking arc-swap v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking array-macro v1.0.4
[INFO] [stderr]     Checking smallvec v0.4.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking xi-unicode v0.2.0
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.1.1
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking signal-hook v0.1.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking ferris-says v0.1.1
[INFO] [stderr]     Checking ferris_print v0.1.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling enum-map-derive v0.4.3
[INFO] [stderr]     Checking enum-map v0.6.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking cursive v0.13.0
[INFO] [stderr]     Checking svalbard v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Boxable`, `Scrollable`
[INFO] [stdout]  --> src/lib.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::traits::{Boxable, Scrollable};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `SelectView`
[INFO] [stdout]  --> src/lib.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cursive::views::{Dialog, EditView, SelectView};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/screens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Boxable`, `Scrollable`
[INFO] [stdout]  --> src/lib.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::traits::{Boxable, Scrollable};
[INFO] [stdout]   |                       ^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Dialog`, `EditView`, `SelectView`
[INFO] [stdout]  --> src/lib.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | use cursive::views::{Dialog, EditView, SelectView};
[INFO] [stdout]   |                      ^^^^^^  ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Add`
[INFO] [stdout]  --> src/screens.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::ops::Add;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `State`
[INFO] [stdout]    --> src/lib.rs:479:64
[INFO] [stdout]     |
[INFO] [stdout] 479 |     use crate::{find_chapter_index, smallest_value_in_hashmap, State, CHAPTERS};
[INFO] [stdout]     |                                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let result: State = {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let result: State = {
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "3cb80efffbc7962b6ba4b558a0a38f560a5cb0974f7a7acab00ca15fcc3dc1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb80efffbc7962b6ba4b558a0a38f560a5cb0974f7a7acab00ca15fcc3dc1bb", kill_on_drop: false }`
[INFO] [stdout] 3cb80efffbc7962b6ba4b558a0a38f560a5cb0974f7a7acab00ca15fcc3dc1bb