[INFO] fetching crate mpc-rs 0.2.0...
[INFO] checking mpc-rs-0.2.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate mpc-rs 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mpc-rs 0.2.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpc-rs 0.2.0
[INFO] finished tweaking crates.io crate mpc-rs 0.2.0
[INFO] tweaked toml for crates.io crate mpc-rs 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mpc-rs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc58e55b52382294e49b00a130cd18d4fd604af137e8515fe0c18aaf4c395ea3
[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" "dc58e55b52382294e49b00a130cd18d4fd604af137e8515fe0c18aaf4c395ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc58e55b52382294e49b00a130cd18d4fd604af137e8515fe0c18aaf4c395ea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc58e55b52382294e49b00a130cd18d4fd604af137e8515fe0c18aaf4c395ea3", kill_on_drop: false }`
[INFO] [stdout] dc58e55b52382294e49b00a130cd18d4fd604af137e8515fe0c18aaf4c395ea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 867fcc831025c97ea9c7665105b39844434b2cc98b026ad01df2cc6ee1fe6b9a
[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" "867fcc831025c97ea9c7665105b39844434b2cc98b026ad01df2cc6ee1fe6b9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tui v0.10.0
[INFO] [stderr]     Checking mpd v0.0.12
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking mpc-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, `Ordering`
[INFO] [stdout]  --> src/util/event.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::{AtomicBool, Ordering},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     Arc,
[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/util/keys.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::App;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::*`
[INFO] [stdout]  --> src/util/keys.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::content::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `AtomicBool`, `Ordering`
[INFO] [stdout]  --> src/util/event.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     atomic::{AtomicBool, Ordering},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     Arc,
[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/util/keys.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::App;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::content::*`
[INFO] [stdout]  --> src/util/keys.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::content::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/content/progress_bar.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn key_event(&mut self, connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/content/progress_bar.rs:64:54
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn key_event(&mut self, connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/content/progress_bar.rs:64:67
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn key_event(&mut self, connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/ui.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn key_event(&mut self, _connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/ui.rs:69:68
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn key_event(&mut self, _connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/content/progress_bar.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn key_event(&mut self, connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/content/progress_bar.rs:64:54
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn key_event(&mut self, connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/content/progress_bar.rs:64:67
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn key_event(&mut self, connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]   --> src/ui.rs:69:55
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn key_event(&mut self, _connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/ui.rs:69:68
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn key_event(&mut self, _connection: &mut Client, keys: &Keys, key: Key) -> bool { false }
[INFO] [stdout]    |                                                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.53s
[INFO] running `Command { std: "docker" "inspect" "867fcc831025c97ea9c7665105b39844434b2cc98b026ad01df2cc6ee1fe6b9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "867fcc831025c97ea9c7665105b39844434b2cc98b026ad01df2cc6ee1fe6b9a", kill_on_drop: false }`
[INFO] [stdout] 867fcc831025c97ea9c7665105b39844434b2cc98b026ad01df2cc6ee1fe6b9a