[INFO] fetching crate userprompt 0.3.6...
[INFO] testing userprompt-0.3.6 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate userprompt 0.3.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate userprompt 0.3.6
[INFO] finished tweaking crates.io crate userprompt 0.3.6
[INFO] tweaked toml for crates.io crate userprompt 0.3.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate userprompt 0.3.6 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate userprompt 0.3.6 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" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 701149dd728c8bcf3f8bb47db95340cd54f8ca2a2dca306efc3b475f12e095b5
[INFO] running `Command { std: "docker" "start" "-a" "701149dd728c8bcf3f8bb47db95340cd54f8ca2a2dca306efc3b475f12e095b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "701149dd728c8bcf3f8bb47db95340cd54f8ca2a2dca306efc3b475f12e095b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "701149dd728c8bcf3f8bb47db95340cd54f8ca2a2dca306efc3b475f12e095b5", kill_on_drop: false }`
[INFO] [stdout] 701149dd728c8bcf3f8bb47db95340cd54f8ca2a2dca306efc3b475f12e095b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e33ad94471af036579337be83918f39d16fc3dcbdaf4c78d793282c5297b0531
[INFO] running `Command { std: "docker" "start" "-a" "e33ad94471af036579337be83918f39d16fc3dcbdaf4c78d793282c5297b0531", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling rtoolbox v0.0.3
[INFO] [stderr]    Compiling rpassword v7.4.0
[INFO] [stderr]    Compiling userprompt_derive v0.0.4
[INFO] [stderr]    Compiling userprompt v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/lib.rs:926:35
[INFO] [stdout]     |
[INFO] [stdout] 926 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]     --> src/lib.rs:1006:35
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stdout]      |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `selection` and `new_selection` are never read
[INFO] [stdout]    --> src/lib.rs:650:5
[INFO] [stdout]     |
[INFO] [stdout] 647 | pub struct SelectedHashMap<T> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 650 |     selection: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 651 |     #[cfg_attr(feature = "serde", serde(skip))]
[INFO] [stdout] 652 |     new_selection: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelectedHashMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.59s
[INFO] running `Command { std: "docker" "inspect" "e33ad94471af036579337be83918f39d16fc3dcbdaf4c78d793282c5297b0531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33ad94471af036579337be83918f39d16fc3dcbdaf4c78d793282c5297b0531", kill_on_drop: false }`
[INFO] [stdout] e33ad94471af036579337be83918f39d16fc3dcbdaf4c78d793282c5297b0531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a692b7f03f380c4e28c48bc9c241bf655f6b047f5048da043ec6f254cb5a03d6
[INFO] running `Command { std: "docker" "start" "-a" "a692b7f03f380c4e28c48bc9c241bf655f6b047f5048da043ec6f254cb5a03d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling userprompt v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/lib.rs:926:35
[INFO] [stdout]     |
[INFO] [stdout] 926 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]     --> src/lib.rs:1006:35
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stdout]      |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `selection` and `new_selection` are never read
[INFO] [stdout]    --> src/lib.rs:650:5
[INFO] [stdout]     |
[INFO] [stdout] 647 | pub struct SelectedHashMap<T> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 650 |     selection: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 651 |     #[cfg_attr(feature = "serde", serde(skip))]
[INFO] [stdout] 652 |     new_selection: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelectedHashMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/lib.rs:926:35
[INFO] [stdout]     |
[INFO] [stdout] 926 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stdout]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]     --> src/lib.rs:1006:35
[INFO] [stdout]      |
[INFO] [stdout] 1006 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stdout]      |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `selection` and `new_selection` are never read
[INFO] [stdout]    --> src/lib.rs:650:5
[INFO] [stdout]     |
[INFO] [stdout] 647 | pub struct SelectedHashMap<T> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 650 |     selection: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 651 |     #[cfg_attr(feature = "serde", serde(skip))]
[INFO] [stdout] 652 |     new_selection: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelectedHashMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "a692b7f03f380c4e28c48bc9c241bf655f6b047f5048da043ec6f254cb5a03d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a692b7f03f380c4e28c48bc9c241bf655f6b047f5048da043ec6f254cb5a03d6", kill_on_drop: false }`
[INFO] [stdout] a692b7f03f380c4e28c48bc9c241bf655f6b047f5048da043ec6f254cb5a03d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5dee5be2a4ac87ea4834ce248ca7b18340901deb96f7fdc6b50c1a54371c269
[INFO] running `Command { std: "docker" "start" "-a" "a5dee5be2a4ac87ea4834ce248ca7b18340901deb96f7fdc6b50c1a54371c269", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `comment`
[INFO] [stderr]    --> src/lib.rs:926:35
[INFO] [stderr]     |
[INFO] [stderr] 926 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stderr]     |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comment`
[INFO] [stderr]     --> src/lib.rs:1006:35
[INFO] [stderr]      |
[INFO] [stderr] 1006 |     fn prompt(name: Option<&str>, comment: Option<&str>) -> Result<Self, Error> {
[INFO] [stderr]      |                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `selection` and `new_selection` are never read
[INFO] [stderr]    --> src/lib.rs:650:5
[INFO] [stderr]     |
[INFO] [stderr] 647 | pub struct SelectedHashMap<T> {
[INFO] [stderr]     |            --------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 650 |     selection: Option<String>,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 651 |     #[cfg_attr(feature = "serde", serde(skip))]
[INFO] [stderr] 652 |     new_selection: String,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SelectedHashMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `userprompt` (lib) generated 3 warnings (run `cargo fix --lib -p userprompt` to apply 2 suggestions)
[INFO] [stderr] warning: `userprompt` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/userprompt-ba5b4299de3d8ddf)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests userprompt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5dee5be2a4ac87ea4834ce248ca7b18340901deb96f7fdc6b50c1a54371c269", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5dee5be2a4ac87ea4834ce248ca7b18340901deb96f7fdc6b50c1a54371c269", kill_on_drop: false }`
[INFO] [stdout] a5dee5be2a4ac87ea4834ce248ca7b18340901deb96f7fdc6b50c1a54371c269
