[INFO] fetching crate algs 0.1.2...
[INFO] building algs-0.1.2 against try#58b1b3c5342a414c161338871f8004258ccef2a7 for pr-149937
[INFO] extracting crate algs 0.1.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate algs 0.1.2
[INFO] finished tweaking crates.io crate algs 0.1.2
[INFO] tweaked toml for crates.io crate algs 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate algs 0.1.2 on toolchain 58b1b3c5342a414c161338871f8004258ccef2a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "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" "+58b1b3c5342a414c161338871f8004258ccef2a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ca19d2c94a6b80bd2f11a8dbfb1482f911a46c428f1b07ba4f9f3d63a0edc97
[INFO] running `Command { std: "docker" "start" "-a" "3ca19d2c94a6b80bd2f11a8dbfb1482f911a46c428f1b07ba4f9f3d63a0edc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ca19d2c94a6b80bd2f11a8dbfb1482f911a46c428f1b07ba4f9f3d63a0edc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca19d2c94a6b80bd2f11a8dbfb1482f911a46c428f1b07ba4f9f3d63a0edc97", kill_on_drop: false }`
[INFO] [stdout] 3ca19d2c94a6b80bd2f11a8dbfb1482f911a46c428f1b07ba4f9f3d63a0edc97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+58b1b3c5342a414c161338871f8004258ccef2a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7831cd4cc1c79ff684d6c7557a402230e0d409969efe7f7e4c9104ab7d8a8c4
[INFO] running `Command { std: "docker" "start" "-a" "b7831cd4cc1c79ff684d6c7557a402230e0d409969efe7f7e4c9104ab7d8a8c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling algs v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `int_log` has been stable since 1.67.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(int_log)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for type `u128` in the current scope
[INFO] [stdout]   --> src/int/palindrome.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let digit_count = x.log10() + 1;
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `ilog10` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let digit_count = x.ilog10() + 1;
[INFO] [stdout]    |                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algs` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b7831cd4cc1c79ff684d6c7557a402230e0d409969efe7f7e4c9104ab7d8a8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7831cd4cc1c79ff684d6c7557a402230e0d409969efe7f7e4c9104ab7d8a8c4", kill_on_drop: false }`
[INFO] [stdout] b7831cd4cc1c79ff684d6c7557a402230e0d409969efe7f7e4c9104ab7d8a8c4