[INFO] fetching crate pomoxide 1.0.2...
[INFO] checking pomoxide-1.0.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate pomoxide 1.0.2 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate pomoxide 1.0.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pomoxide 1.0.2
[INFO] finished tweaking crates.io crate pomoxide 1.0.2
[INFO] tweaked toml for crates.io crate pomoxide 1.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate pomoxide 1.0.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minimp3 v0.5.0
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded termion v1.5.5
[INFO] [stderr]   Downloaded lewton v0.10.1
[INFO] [stderr]   Downloaded fetch_unroll v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.68
[INFO] [stderr]   Downloaded oboe v0.3.0
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.6
[INFO] [stderr]   Downloaded ogg v0.7.0
[INFO] [stderr]   Downloaded syn v1.0.48
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded alsa-sys v0.3.0
[INFO] [stderr]   Downloaded webpki v0.21.3
[INFO] [stderr]   Downloaded ureq v0.11.4
[INFO] [stderr]   Downloaded instant v0.1.8
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.68
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.68
[INFO] [stderr]   Downloaded cc v1.0.62
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.0
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded tinyvec v1.0.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.14
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.68
[INFO] [stderr]   Downloaded ring v0.16.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44284d460839f5cffe0515b655e4e743c8b70e60b57905751866a3582f5bed8
[INFO] running `Command { std: "docker" "start" "-a" "b44284d460839f5cffe0515b655e4e743c8b70e60b57905751866a3582f5bed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44284d460839f5cffe0515b655e4e743c8b70e60b57905751866a3582f5bed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44284d460839f5cffe0515b655e4e743c8b70e60b57905751866a3582f5bed8", kill_on_drop: false }`
[INFO] [stdout] b44284d460839f5cffe0515b655e4e743c8b70e60b57905751866a3582f5bed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9190cee54f5dbe6bcd1fd9d70d9dc5ec317be38140e33cfa5f2ec3be6331f3b4
[INFO] running `Command { std: "docker" "start" "-a" "9190cee54f5dbe6bcd1fd9d70d9dc5ec317be38140e33cfa5f2ec3be6331f3b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking lewton v0.10.1
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking claxon v0.4.3
[INFO] [stderr]     Checking unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking dbus v0.8.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking minimp3 v0.5.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking notify-rust v4.0.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking cpal v0.13.1
[INFO] [stderr]     Checking rodio v0.13.0
[INFO] [stderr]     Checking pomoxide v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/pomodoro.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/pomodoro.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::From;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `toml` is imported redundantly
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use toml;
[INFO] [stdout]   |     ^^^^ the item `toml` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]   --> src/presentation.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Presentation {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub title: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]   --> src/presentation.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct Presentation {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub title: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "9190cee54f5dbe6bcd1fd9d70d9dc5ec317be38140e33cfa5f2ec3be6331f3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9190cee54f5dbe6bcd1fd9d70d9dc5ec317be38140e33cfa5f2ec3be6331f3b4", kill_on_drop: false }`
[INFO] [stdout] 9190cee54f5dbe6bcd1fd9d70d9dc5ec317be38140e33cfa5f2ec3be6331f3b4