[INFO] fetching crate treap 0.0.3... [INFO] testing treap-0.0.3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate treap 0.0.3 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate treap 0.0.3 [INFO] finished tweaking crates.io crate treap 0.0.3 [INFO] tweaked toml for crates.io crate treap 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate treap 0.0.3 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding rand v0.1.4 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a04644ee441c625acaa1cac5010593af9f0fdf34bc505188e5185217de611028 [INFO] running `Command { std: "docker" "start" "-a" "a04644ee441c625acaa1cac5010593af9f0fdf34bc505188e5185217de611028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a04644ee441c625acaa1cac5010593af9f0fdf34bc505188e5185217de611028", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a04644ee441c625acaa1cac5010593af9f0fdf34bc505188e5185217de611028", kill_on_drop: false }` [INFO] [stdout] a04644ee441c625acaa1cac5010593af9f0fdf34bc505188e5185217de611028 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fb6c3b17353dba53a455cb7db3e99faf808e4bd63cbc1446eaab4bdf98a5e9c [INFO] running `Command { std: "docker" "start" "-a" "6fb6c3b17353dba53a455cb7db3e99faf808e4bd63cbc1446eaab4bdf98a5e9c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.1.12 [INFO] [stderr] Compiling log v0.2.5 [INFO] [stdout] error[E0425]: cannot find function `at_exit` in module `rt` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:535:9 [INFO] [stdout] | [INFO] [stdout] 535 | rt::at_exit(|| { [INFO] [stdout] | ^^^^^^^ not found in `rt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature `rt`: this public module should not exist and is highly likely to disappear [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 153 | use std::rt; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: add `#![feature(rt)]` to the crate attributes to enable [INFO] [stdout] = note: this compiler was built on 2025-08-28; consider upgrading it if it is out of date [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `std_misc` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/log-0.2.5/src/lib.rs:145:18 [INFO] [stdout] | [INFO] [stdout] 145 | #![feature(core, std_misc)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0635, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `log` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6fb6c3b17353dba53a455cb7db3e99faf808e4bd63cbc1446eaab4bdf98a5e9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fb6c3b17353dba53a455cb7db3e99faf808e4bd63cbc1446eaab4bdf98a5e9c", kill_on_drop: false }` [INFO] [stdout] 6fb6c3b17353dba53a455cb7db3e99faf808e4bd63cbc1446eaab4bdf98a5e9c