[INFO] fetching crate rvar 0.1.5...
[INFO] testing rvar-0.1.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rvar 0.1.5 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rvar 0.1.5
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rvar 0.1.5
[INFO] tweaked toml for crates.io crate rvar 0.1.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rvar 0.1.5 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e374a41326eb5ece568b246bb8572c0945a49d21156a9fc5c7cda1ac3f28df47
[INFO] running `Command { std: "docker" "start" "-a" "e374a41326eb5ece568b246bb8572c0945a49d21156a9fc5c7cda1ac3f28df47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e374a41326eb5ece568b246bb8572c0945a49d21156a9fc5c7cda1ac3f28df47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e374a41326eb5ece568b246bb8572c0945a49d21156a9fc5c7cda1ac3f28df47", kill_on_drop: false }`
[INFO] [stdout] e374a41326eb5ece568b246bb8572c0945a49d21156a9fc5c7cda1ac3f28df47
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 281c97333dc0f861f3e29bde3744e708301645137d99b02724e02ae85f6fe2a5
[INFO] running `Command { std: "docker" "start" "-a" "281c97333dc0f861f3e29bde3744e708301645137d99b02724e02ae85f6fe2a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling aok v0.1.18
[INFO] [stderr]    Compiling rvar v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "281c97333dc0f861f3e29bde3744e708301645137d99b02724e02ae85f6fe2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "281c97333dc0f861f3e29bde3744e708301645137d99b02724e02ae85f6fe2a5", kill_on_drop: false }`
[INFO] [stdout] 281c97333dc0f861f3e29bde3744e708301645137d99b02724e02ae85f6fe2a5
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17bb416fdea1c26f0d0c08692a955cfe513a3b1c09954dfe07e2ca3273aa00a1
[INFO] running `Command { std: "docker" "start" "-a" "17bb416fdea1c26f0d0c08692a955cfe513a3b1c09954dfe07e2ca3273aa00a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling static_init v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling static_init_macro v1.0.4
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tokio v1.52.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling matchers v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.23
[INFO] [stderr]    Compiling loginit v0.1.18
[INFO] [stderr]    Compiling rvar v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `replace` in crate `rvar`
[INFO] [stdout]   --> tests/main.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let r = rvar::replace(s, &r.range[..], |key| {
[INFO] [stdout]    |                 ^^^^^^^ not found in `rvar`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::mem::replace;
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::ptr::replace;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `replace`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 14 -   let r = rvar::replace(s, &r.range[..], |key| {
[INFO] [stdout] 14 +   let r = replace(s, &r.range[..], |key| {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rvar` (test "main") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "17bb416fdea1c26f0d0c08692a955cfe513a3b1c09954dfe07e2ca3273aa00a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bb416fdea1c26f0d0c08692a955cfe513a3b1c09954dfe07e2ca3273aa00a1", kill_on_drop: false }`
[INFO] [stdout] 17bb416fdea1c26f0d0c08692a955cfe513a3b1c09954dfe07e2ca3273aa00a1
