[INFO] fetching crate ptytest 0.1.0...
[INFO] checking ptytest-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate ptytest 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ptytest 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptytest 0.1.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate ptytest 0.1.0
[INFO] tweaked toml for crates.io crate ptytest 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate ptytest 0.1.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumset_derive v0.4.3
[INFO] [stderr]   Downloaded rustyline v5.0.5
[INFO] [stderr]   Downloaded enumset v0.4.4
[INFO] [stderr]   Downloaded terminfo v0.6.1
[INFO] [stderr]   Downloaded vt100 v0.8.0
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca83a4f84070bc14c3505fb516dea4c559545bb03b1c820cf519736aa64bc3fa
[INFO] running `Command { std: "docker" "start" "-a" "ca83a4f84070bc14c3505fb516dea4c559545bb03b1c820cf519736aa64bc3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca83a4f84070bc14c3505fb516dea4c559545bb03b1c820cf519736aa64bc3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca83a4f84070bc14c3505fb516dea4c559545bb03b1c820cf519736aa64bc3fa", kill_on_drop: false }`
[INFO] [stdout] ca83a4f84070bc14c3505fb516dea4c559545bb03b1c820cf519736aa64bc3fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 249a15bb41e28209286c91b6fcceec1897236099b1010c5856e309c37cce40ac
[INFO] running `Command { std: "docker" "start" "-a" "249a15bb41e28209286c91b6fcceec1897236099b1010c5856e309c37cce40ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
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[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]     Checking rustyline v5.0.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
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[INFO] [stderr]    Compiling enumset_derive v0.4.3
[INFO] [stderr]     Checking enumset v0.4.4
[INFO] [stderr]     Checking vt100 v0.8.0
[INFO] [stderr]     Checking ptytest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `source_info` is never read
[INFO] [stdout]    --> src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct AsciiScreen {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 122 |     source_info: Option<(&'static str, u32)>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AsciiScreen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected` and `received` are never read
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct Change<E> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 194 |     expected: E,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 195 |     received: E,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Change` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cursor_pos_diff` is never read
[INFO] [stdout]    --> src/lib.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct ScreenDiff {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 200 |     cursor_pos_diff: Option<Change<Option<(u16, u16)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScreenDiff` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reregister`, `deregister`, and `write_token` are never used
[INFO] [stdout]   --> src/tty/mod.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub trait EventedReadWrite {
[INFO] [stdout]    |           ---------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn reregister(&mut self, _: &mio::Poll, _: mio::Ready, _: mio::PollOpt) -> io::Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 48 |     fn deregister(&mut self, _: &mio::Poll) -> io::Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn write_token(&self) -> mio::Token;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `passwd`, `uid`, `gid`, `gecos`, and `dir` are never read
[INFO] [stdout]   --> src/tty/unix.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct Passwd<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 86 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     passwd: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 88 |     uid: libc::uid_t,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 89 |     gid: libc::gid_t,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 90 |     gecos: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 91 |     dir: &'a str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passwd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source_info` is never read
[INFO] [stdout]    --> src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct AsciiScreen {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] 122 |     source_info: Option<(&'static str, u32)>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AsciiScreen` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected` and `received` are never read
[INFO] [stdout]    --> src/lib.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct Change<E> {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 194 |     expected: E,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 195 |     received: E,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Change` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cursor_pos_diff` is never read
[INFO] [stdout]    --> src/lib.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 199 | pub struct ScreenDiff {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 200 |     cursor_pos_diff: Option<Change<Option<(u16, u16)>>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ScreenDiff` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `reregister`, `deregister`, and `write_token` are never used
[INFO] [stdout]   --> src/tty/mod.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub trait EventedReadWrite {
[INFO] [stdout]    |           ---------------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn reregister(&mut self, _: &mio::Poll, _: mio::Ready, _: mio::PollOpt) -> io::Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 48 |     fn deregister(&mut self, _: &mio::Poll) -> io::Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn write_token(&self) -> mio::Token;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `passwd`, `uid`, `gid`, `gecos`, and `dir` are never read
[INFO] [stdout]   --> src/tty/unix.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 85 | struct Passwd<'a> {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 86 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 87 |     passwd: &'a str,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 88 |     uid: libc::uid_t,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 89 |     gid: libc::gid_t,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 90 |     gecos: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 91 |     dir: &'a str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Passwd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, terminfo v0.6.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "249a15bb41e28209286c91b6fcceec1897236099b1010c5856e309c37cce40ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "249a15bb41e28209286c91b6fcceec1897236099b1010c5856e309c37cce40ac", kill_on_drop: false }`
[INFO] [stdout] 249a15bb41e28209286c91b6fcceec1897236099b1010c5856e309c37cce40ac