[INFO] fetching crate vrsh 0.1.2...
[INFO] testing vrsh-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate vrsh 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vrsh 0.1.2
[INFO] finished tweaking crates.io crate vrsh 0.1.2
[INFO] tweaked toml for crates.io crate vrsh 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vrsh 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vrsh 0.1.2 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.4.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.87
[INFO] [stderr]   Downloaded fd-lock v2.0.0
[INFO] [stderr]   Downloaded rustyline v8.2.0
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded regex v1.8.3
[INFO] [stderr]   Downloaded rustix v0.37.13
[INFO] [stderr]   Downloaded libc v0.2.144
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 015a791b859a05eed28d128ed27b9c7463b7b80b19553778d6386e124fbe4c6c
[INFO] running `Command { std: "docker" "start" "-a" "015a791b859a05eed28d128ed27b9c7463b7b80b19553778d6386e124fbe4c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "015a791b859a05eed28d128ed27b9c7463b7b80b19553778d6386e124fbe4c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015a791b859a05eed28d128ed27b9c7463b7b80b19553778d6386e124fbe4c6c", kill_on_drop: false }`
[INFO] [stdout] 015a791b859a05eed28d128ed27b9c7463b7b80b19553778d6386e124fbe4c6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf425c84f999ff58ab867cb30eeefb771611592ae12d5a663ef4acf5b13b7322
[INFO] running `Command { std: "docker" "start" "-a" "bf425c84f999ff58ab867cb30eeefb771611592ae12d5a663ef4acf5b13b7322", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling rustix v0.37.13
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.7.2
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling petgraph v0.6.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.20.2
[INFO] [stderr]    Compiling fd-lock v2.0.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling regex v1.8.3
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling rustyline-derive v0.4.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling rustyline v8.2.0
[INFO] [stderr]    Compiling git2 v0.13.25
[INFO] [stderr]    Compiling vrsh v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `colored_prompt` is never read
[INFO] [stdout]   --> src/shell/rl_helper.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RLHelper {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub colored_prompt: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.43s
[INFO] running `Command { std: "docker" "inspect" "bf425c84f999ff58ab867cb30eeefb771611592ae12d5a663ef4acf5b13b7322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf425c84f999ff58ab867cb30eeefb771611592ae12d5a663ef4acf5b13b7322", kill_on_drop: false }`
[INFO] [stdout] bf425c84f999ff58ab867cb30eeefb771611592ae12d5a663ef4acf5b13b7322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea1ec7074b0c8347995a351568c83fe61ed85db8f652be0bab6730e5feb29f0
[INFO] running `Command { std: "docker" "start" "-a" "fea1ec7074b0c8347995a351568c83fe61ed85db8f652be0bab6730e5feb29f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling vrsh v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `colored_prompt` is never read
[INFO] [stdout]   --> src/shell/rl_helper.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct RLHelper {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub colored_prompt: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "fea1ec7074b0c8347995a351568c83fe61ed85db8f652be0bab6730e5feb29f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea1ec7074b0c8347995a351568c83fe61ed85db8f652be0bab6730e5feb29f0", kill_on_drop: false }`
[INFO] [stdout] fea1ec7074b0c8347995a351568c83fe61ed85db8f652be0bab6730e5feb29f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c13eb670a927943a8e7bc887ab9ef6e871deb3a3a3fe22288a56aa1e16ebe53f
[INFO] running `Command { std: "docker" "start" "-a" "c13eb670a927943a8e7bc887ab9ef6e871deb3a3a3fe22288a56aa1e16ebe53f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vrsh v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field `colored_prompt` is never read
[INFO] [stderr]   --> src/shell/rl_helper.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct RLHelper {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub colored_prompt: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `vrsh` (bin "vrsh" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vrsh-f6066dc94efb58ae)
[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" "c13eb670a927943a8e7bc887ab9ef6e871deb3a3a3fe22288a56aa1e16ebe53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13eb670a927943a8e7bc887ab9ef6e871deb3a3a3fe22288a56aa1e16ebe53f", kill_on_drop: false }`
[INFO] [stdout] c13eb670a927943a8e7bc887ab9ef6e871deb3a3a3fe22288a56aa1e16ebe53f