[INFO] cloning repository https://github.com/yicuiheng/tysh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yicuiheng/tysh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyicuiheng%2Ftysh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyicuiheng%2Ftysh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f9e545d01bad007576a7bde5f841f560a31eca1d
[INFO] testing yicuiheng/tysh against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyicuiheng%2Ftysh" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yicuiheng/tysh on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yicuiheng/tysh
[INFO] finished tweaking git repo https://github.com/yicuiheng/tysh
[INFO] tweaked toml for git repo https://github.com/yicuiheng/tysh written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yicuiheng/tysh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d241c6a480289b03cc13d66e5f9d015255ea6fb7f77fe537ea64e1bec19a949
[INFO] running `Command { std: "docker" "start" "-a" "7d241c6a480289b03cc13d66e5f9d015255ea6fb7f77fe537ea64e1bec19a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d241c6a480289b03cc13d66e5f9d015255ea6fb7f77fe537ea64e1bec19a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d241c6a480289b03cc13d66e5f9d015255ea6fb7f77fe537ea64e1bec19a949", kill_on_drop: false }`
[INFO] [stdout] 7d241c6a480289b03cc13d66e5f9d015255ea6fb7f77fe537ea64e1bec19a949
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ea68769455474dd657ccf3b2170a0d488998cf1bda93bd8a6c22488f0d3d023
[INFO] running `Command { std: "docker" "start" "-a" "5ea68769455474dd657ccf3b2170a0d488998cf1bda93bd8a6c22488f0d3d023", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling tysh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]    --> src/expr/parse/expr.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn bytes(rest: &[char]) -> Result<(Expr, &[char]), ParseError> {
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bytes`
[INFO] [stdout]   --> src/expr.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Bytes(Vec<u8>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/expr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Var(TypeVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Context`
[INFO] [stdout]   --> src/expr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Context
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 expr.eval();
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "5ea68769455474dd657ccf3b2170a0d488998cf1bda93bd8a6c22488f0d3d023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea68769455474dd657ccf3b2170a0d488998cf1bda93bd8a6c22488f0d3d023", kill_on_drop: false }`
[INFO] [stdout] 5ea68769455474dd657ccf3b2170a0d488998cf1bda93bd8a6c22488f0d3d023
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24c32bf7cd9fec2a834ecbfe81108fb05bcbb88a43d7616080db04e68d972334
[INFO] running `Command { std: "docker" "start" "-a" "24c32bf7cd9fec2a834ecbfe81108fb05bcbb88a43d7616080db04e68d972334", kill_on_drop: false }`
[INFO] [stderr]    Compiling tysh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rest`
[INFO] [stdout]    --> src/expr/parse/expr.rs:140:10
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn bytes(rest: &[char]) -> Result<(Expr, &[char]), ParseError> {
[INFO] [stdout]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bytes`
[INFO] [stdout]   --> src/expr.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Bytes(Vec<u8>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Var`
[INFO] [stdout]   --> src/expr.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Var(TypeVar),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Context`
[INFO] [stdout]   --> src/expr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Context
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |                 expr.eval();
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "24c32bf7cd9fec2a834ecbfe81108fb05bcbb88a43d7616080db04e68d972334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c32bf7cd9fec2a834ecbfe81108fb05bcbb88a43d7616080db04e68d972334", kill_on_drop: false }`
[INFO] [stdout] 24c32bf7cd9fec2a834ecbfe81108fb05bcbb88a43d7616080db04e68d972334
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e37fa59dd2dee0d0c65153dee689530a6b51e5977977ad07a112b8ce4cf34890
[INFO] running `Command { std: "docker" "start" "-a" "e37fa59dd2dee0d0c65153dee689530a6b51e5977977ad07a112b8ce4cf34890", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `rest`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/expr/parse/expr.rs:140:10
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 140 | fn bytes(rest: &[char]) -> Result<(Expr, &[char]), ParseError> {
[INFO] [stdout] 
[INFO] [stderr]     |          ^^^^ help: if this is intentional, prefix it with an underscore: `_rest`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bytes`
[INFO] [stderr]   --> src/expr.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Bytes(Vec<u8>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Var`
[INFO] [stderr]   --> src/expr.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     Var(TypeVar),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Context`
[INFO] [stderr]   --> src/expr.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     Context
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |                 expr.eval();
[INFO] [stderr]    |                 ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/show-f643917df2bd96af)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tysh-7f25d298005fc21e)
[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" "e37fa59dd2dee0d0c65153dee689530a6b51e5977977ad07a112b8ce4cf34890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e37fa59dd2dee0d0c65153dee689530a6b51e5977977ad07a112b8ce4cf34890", kill_on_drop: false }`
[INFO] [stdout] e37fa59dd2dee0d0c65153dee689530a6b51e5977977ad07a112b8ce4cf34890