[INFO] fetching crate terminal-emulator 0.1.0...
[INFO] checking terminal-emulator-0.1.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate terminal-emulator 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate terminal-emulator 0.1.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terminal-emulator 0.1.0
[INFO] finished tweaking crates.io crate terminal-emulator 0.1.0
[INFO] tweaked toml for crates.io crate terminal-emulator 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a92bd5658747335f67052049d4cd8902cdd4efd26494b81f316d78b4689ecb4
[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" "6a92bd5658747335f67052049d4cd8902cdd4efd26494b81f316d78b4689ecb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a92bd5658747335f67052049d4cd8902cdd4efd26494b81f316d78b4689ecb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a92bd5658747335f67052049d4cd8902cdd4efd26494b81f316d78b4689ecb4", kill_on_drop: false }`
[INFO] [stdout] 6a92bd5658747335f67052049d4cd8902cdd4efd26494b81f316d78b4689ecb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec453e817362eb322c39b9168d7e21cfdce45487878ef5d6f0e4b3e20b356b95
[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" "ec453e817362eb322c39b9168d7e21cfdce45487878ef5d6f0e4b3e20b356b95", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking terminal-emulator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Range` is imported redundantly
[INFO] [stdout]    --> src/term/mod.rs:812:13
[INFO] [stdout]     |
[INFO] [stdout] 17  | use std::ops::{Index, IndexMut, Range};
[INFO] [stdout]     |                                 ----- the item `Range` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 812 |         use std::ops::Range;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Range` is imported redundantly
[INFO] [stdout]    --> src/term/mod.rs:812:13
[INFO] [stdout]     |
[INFO] [stdout] 17  | use std::ops::{Index, IndexMut, Range};
[INFO] [stdout]     |                                 ----- the item `Range` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 812 |         use std::ops::Range;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/term/cell.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1];
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/term/cell.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1];
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `static_assertions::core::num::<impl usize>::saturating_sub` that must be used
[INFO] [stdout]     --> src/term/mod.rs:1253:21
[INFO] [stdout]      |
[INFO] [stdout] 1253 |                     col.saturating_sub(1);
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `char` does not permit being left uninitialized
[INFO] [stdout]    --> src/term/cell.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1];
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this code causes undefined behavior when executed
[INFO] [stdout]     |                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: characters must be a valid Unicode codepoint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `static_assertions::core::num::<impl usize>::saturating_sub` that must be used
[INFO] [stdout]     --> src/term/mod.rs:1253:21
[INFO] [stdout]      |
[INFO] [stdout] 1253 |                     col.saturating_sub(1);
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `char` does not permit being left uninitialized
[INFO] [stdout]    --> src/term/cell.rs:128:30
[INFO] [stdout]     |
[INFO] [stdout] 128 |             let mut chars = [std::mem::uninitialized(); MAX_ZEROWIDTH_CHARS + 1];
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              this code causes undefined behavior when executed
[INFO] [stdout]     |                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]     = note: characters must be a valid Unicode codepoint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "ec453e817362eb322c39b9168d7e21cfdce45487878ef5d6f0e4b3e20b356b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec453e817362eb322c39b9168d7e21cfdce45487878ef5d6f0e4b3e20b356b95", kill_on_drop: false }`
[INFO] [stdout] ec453e817362eb322c39b9168d7e21cfdce45487878ef5d6f0e4b3e20b356b95