[INFO] cloning repository https://github.com/JingYenLoh/libshell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JingYenLoh/libshell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJingYenLoh%2Flibshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJingYenLoh%2Flibshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0529c7c373432ad893fb03e4ec98b912c02c6bd2
[INFO] checking JingYenLoh/libshell against master#2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf for pr-128725
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJingYenLoh%2Flibshell" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JingYenLoh/libshell on toolchain 2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JingYenLoh/libshell
[INFO] finished tweaking git repo https://github.com/JingYenLoh/libshell
[INFO] tweaked toml for git repo https://github.com/JingYenLoh/libshell written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JingYenLoh/libshell 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" "+2f3dc46465c04d10cb74d34b1bd80c3ebfdc05bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking JingYenLoh/libshell against try#9c7f973c4f483238f1484927772d0446e5686cc0 for pr-128725
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJingYenLoh%2Flibshell" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JingYenLoh/libshell on toolchain 9c7f973c4f483238f1484927772d0446e5686cc0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7f973c4f483238f1484927772d0446e5686cc0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JingYenLoh/libshell
[INFO] finished tweaking git repo https://github.com/JingYenLoh/libshell
[INFO] tweaked toml for git repo https://github.com/JingYenLoh/libshell written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JingYenLoh/libshell 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" "+9c7f973c4f483238f1484927772d0446e5686cc0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+9c7f973c4f483238f1484927772d0446e5686cc0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7175c8023d9e745073c7fe7ffe96952ff9358f0f981fab137e502825881cdb2
[INFO] running `Command { std: "docker" "start" "-a" "b7175c8023d9e745073c7fe7ffe96952ff9358f0f981fab137e502825881cdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7175c8023d9e745073c7fe7ffe96952ff9358f0f981fab137e502825881cdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7175c8023d9e745073c7fe7ffe96952ff9358f0f981fab137e502825881cdb2", kill_on_drop: false }`
[INFO] [stdout] b7175c8023d9e745073c7fe7ffe96952ff9358f0f981fab137e502825881cdb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+9c7f973c4f483238f1484927772d0446e5686cc0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 458def60201e8f9541110147795ebbe11406cad6b9de783e857ae3fbc2b1dca1
[INFO] running `Command { std: "docker" "start" "-a" "458def60201e8f9541110147795ebbe11406cad6b9de783e857ae3fbc2b1dca1", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking winnow v0.5.2
[INFO] [stderr]     Checking lsh v0.1.0 (/opt/rustwide/workdir/shell)
[INFO] [stderr]     Checking parser v0.0.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused imports: `Stream`, `ascii::alphanumeric0`, `dispatch`, `peek`, `success`, and `take_till0`
[INFO] [stdout]  --> parser/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ascii::alphanumeric0,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     combinator::{alt, fail, peek, repeat, success},
[INFO] [stdout]   |                             ^^^^          ^^^^^^^
[INFO] [stdout] 4 |     dispatch,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     prelude::*,
[INFO] [stdout] 6 |     stream::{Stream, AsChar},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 7 |     token::{tag, take_while, take_till0, take_till1},
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Stream`, `ascii::alphanumeric0`, `dispatch`, `peek`, `success`, and `take_till0`
[INFO] [stdout]  --> parser/src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     ascii::alphanumeric0,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     combinator::{alt, fail, peek, repeat, success},
[INFO] [stdout]   |                             ^^^^          ^^^^^^^
[INFO] [stdout] 4 |     dispatch,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     prelude::*,
[INFO] [stdout] 6 |     stream::{Stream, AsChar},
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 7 |     token::{tag, take_while, take_till0, take_till1},
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> parser/src/lib.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn program(input: &mut &str) -> PResult<Program> {
[INFO] [stdout]    |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> parser/src/lib.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Operator {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `program` is never used
[INFO] [stdout]   --> parser/src/lib.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn program(input: &mut &str) -> PResult<Program> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `command_name` is never used
[INFO] [stdout]   --> parser/src/lib.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn command_name(input: &mut &str) -> PResult<SimpleCommand> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word` is never used
[INFO] [stdout]   --> parser/src/lib.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn word(input: &mut &str) -> PResult<String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `and_if` is never used
[INFO] [stdout]   --> parser/src/lib.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn and_if(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `or_if` is never used
[INFO] [stdout]   --> parser/src/lib.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn or_if(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `d_semi` is never used
[INFO] [stdout]   --> parser/src/lib.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn d_semi(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `d_less` is never used
[INFO] [stdout]   --> parser/src/lib.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn d_less(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `d_great` is never used
[INFO] [stdout]   --> parser/src/lib.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn d_great(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `less_and` is never used
[INFO] [stdout]   --> parser/src/lib.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn less_and(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `great_and` is never used
[INFO] [stdout]    --> parser/src/lib.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn great_and(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `less_great` is never used
[INFO] [stdout]    --> parser/src/lib.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn less_great(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `d_less_dash` is never used
[INFO] [stdout]    --> parser/src/lib.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn d_less_dash(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clobber` is never used
[INFO] [stdout]    --> parser/src/lib.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn clobber(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `operator` is never used
[INFO] [stdout]    --> parser/src/lib.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn operator(input: &mut &str) -> PResult<Operator> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> parser/src/lib.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn program(input: &mut &str) -> PResult<Program> {
[INFO] [stdout]    |            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `program` is never used
[INFO] [stdout]   --> parser/src/lib.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn program(input: &mut &str) -> PResult<Program> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "458def60201e8f9541110147795ebbe11406cad6b9de783e857ae3fbc2b1dca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458def60201e8f9541110147795ebbe11406cad6b9de783e857ae3fbc2b1dca1", kill_on_drop: false }`
[INFO] [stdout] 458def60201e8f9541110147795ebbe11406cad6b9de783e857ae3fbc2b1dca1