[INFO] fetching crate sidetree 0.2.0...
[INFO] checking sidetree-0.2.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate sidetree 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sidetree 0.2.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sidetree 0.2.0
[INFO] finished tweaking crates.io crate sidetree 0.2.0
[INFO] tweaked toml for crates.io crate sidetree 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate sidetree 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-absolutize v3.0.10
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded cassowary v0.3.0
[INFO] [stderr]   Downloaded combine v4.5.2
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded path-dedot v3.0.12
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded tui v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c6d99457272193faadd50368282816681abc0cda0c4a164d525a8b970f556dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4c6d99457272193faadd50368282816681abc0cda0c4a164d525a8b970f556dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c6d99457272193faadd50368282816681abc0cda0c4a164d525a8b970f556dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6d99457272193faadd50368282816681abc0cda0c4a164d525a8b970f556dd", kill_on_drop: false }`
[INFO] [stdout] 4c6d99457272193faadd50368282816681abc0cda0c4a164d525a8b970f556dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f3d977201ce4a03485f3ad0b3f842f2c87494c8ee579fcdc3d5aa6ae48512e2f
[INFO] running `Command { std: "docker" "start" "-a" "f3d977201ce4a03485f3ad0b3f842f2c87494c8ee579fcdc3d5aa6ae48512e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking path-dedot v3.0.12
[INFO] [stderr]     Checking path-absolutize v3.0.10
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking tui v0.14.0
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking sidetree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::App`
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::App;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::App`
[INFO] [stdout]  --> src/config.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::App;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `combine::error::StreamError`
[INFO] [stdout]  --> src/keymap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use combine::error::StreamError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `combine::error::StreamError`
[INFO] [stdout]  --> src/keymap.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use combine::error::StreamError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/keymap.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/keymap.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `combine::Parser`
[INFO] [stdout]   --> src/keymap.rs:83:7
[INFO] [stdout]    |
[INFO] [stdout] 83 |   use combine::Parser;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/tree_entry.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/tree_entry.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tui::backend::Backend`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tui::backend::Backend;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/prompt.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let Some(p) = &self.prompt_state {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tui::backend::Backend`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use tui::backend::Backend;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/prompt.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |     if let Some(p) = &self.prompt_state {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/app.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |   pub fn update(&mut self) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/util/event.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/util/event.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_items`
[INFO] [stdout]   --> src/util/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn with_items(items: Vec<T>) -> StatefulList<T> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unselect`
[INFO] [stdout]   --> src/util/mod.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |   pub fn unselect(&mut self) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/app.rs:58:10
[INFO] [stdout]    |
[INFO] [stdout] 58 |   pub fn update(&mut self) {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `input_handle`
[INFO] [stdout]   --> src/util/event.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   input_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tick_handle`
[INFO] [stdout]   --> src/util/event.rs:24:3
[INFO] [stdout]    |
[INFO] [stdout] 24 |   tick_handle: thread::JoinHandle<()>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_items`
[INFO] [stdout]   --> src/util/mod.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn with_items(items: Vec<T>) -> StatefulList<T> {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unselect`
[INFO] [stdout]   --> src/util/mod.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 |   pub fn unselect(&mut self) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.99s
[INFO] running `Command { std: "docker" "inspect" "f3d977201ce4a03485f3ad0b3f842f2c87494c8ee579fcdc3d5aa6ae48512e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3d977201ce4a03485f3ad0b3f842f2c87494c8ee579fcdc3d5aa6ae48512e2f", kill_on_drop: false }`
[INFO] [stdout] f3d977201ce4a03485f3ad0b3f842f2c87494c8ee579fcdc3d5aa6ae48512e2f