[INFO] cloning repository https://github.com/dionysusliu/rust-skip-list [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dionysusliu/rust-skip-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionysusliu%2Frust-skip-list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionysusliu%2Frust-skip-list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0eb6b7ec35fbe2f08e97b5816ba058475ec07d36 [INFO] building dionysusliu/rust-skip-list against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdionysusliu%2Frust-skip-list" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dionysusliu/rust-skip-list on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dionysusliu/rust-skip-list [INFO] finished tweaking git repo https://github.com/dionysusliu/rust-skip-list [INFO] tweaked toml for git repo https://github.com/dionysusliu/rust-skip-list written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dionysusliu/rust-skip-list 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99f6a67ebfb07d9193efd61f46baa24d4d2a225d344678f79ae0ea0153c6fd3a [INFO] running `Command { std: "docker" "start" "-a" "99f6a67ebfb07d9193efd61f46baa24d4d2a225d344678f79ae0ea0153c6fd3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99f6a67ebfb07d9193efd61f46baa24d4d2a225d344678f79ae0ea0153c6fd3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99f6a67ebfb07d9193efd61f46baa24d4d2a225d344678f79ae0ea0153c6fd3a", kill_on_drop: false }` [INFO] [stdout] 99f6a67ebfb07d9193efd61f46baa24d4d2a225d344678f79ae0ea0153c6fd3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bad2239ad2c3689c41f419e265932444984dff18d7e7015b649d1a8bc87bb0d7 [INFO] running `Command { std: "docker" "start" "-a" "bad2239ad2c3689c41f419e265932444984dff18d7e7015b649d1a8bc87bb0d7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.94 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling quote v1.0.39 [INFO] [stderr] Compiling syn v2.0.99 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling skip_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `random` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{random, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lvl` is never read [INFO] [stdout] --> src/lib.rs:187:25 [INFO] [stdout] | [INFO] [stdout] 187 | lvl -= 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s [INFO] running `Command { std: "docker" "inspect" "bad2239ad2c3689c41f419e265932444984dff18d7e7015b649d1a8bc87bb0d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bad2239ad2c3689c41f419e265932444984dff18d7e7015b649d1a8bc87bb0d7", kill_on_drop: false }` [INFO] [stdout] bad2239ad2c3689c41f419e265932444984dff18d7e7015b649d1a8bc87bb0d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b093614f555f4d565fecf07861e4f516fa7050602da724780f6eb7003e316373 [INFO] running `Command { std: "docker" "start" "-a" "b093614f555f4d565fecf07861e4f516fa7050602da724780f6eb7003e316373", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.170 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling autocfg v1.4.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Compiling half v2.4.1 [INFO] [stderr] Compiling itoa v1.0.15 [INFO] [stderr] Compiling clap_lex v0.7.4 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling ryu v1.0.20 [INFO] [stderr] Compiling anstyle v1.0.10 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling plotters-backend v0.3.7 [INFO] [stderr] Compiling ciborium-io v0.2.2 [INFO] [stderr] Compiling clap_builder v4.5.32 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling oorandom v11.1.5 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling once_cell v1.21.1 [INFO] [stderr] Compiling ciborium-ll v0.2.2 [INFO] [stderr] Compiling plotters-svg v0.3.7 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling is-terminal v0.4.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling crossbeam-deque v0.8.6 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling plotters v0.3.7 [INFO] [stderr] Compiling skip_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `random` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{random, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rayon v1.10.0 [INFO] [stdout] warning: value assigned to `lvl` is never read [INFO] [stdout] --> src/lib.rs:187:25 [INFO] [stdout] | [INFO] [stdout] 187 | lvl -= 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling clap v4.5.32 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling ciborium v0.2.2 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stdout] warning: unused import: `random` [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::{random, Rng}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/lib.rs:2:17 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `lvl` is never read [INFO] [stdout] --> src/lib.rs:187:25 [INFO] [stdout] | [INFO] [stdout] 187 | lvl -= 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 23.94s [INFO] running `Command { std: "docker" "inspect" "b093614f555f4d565fecf07861e4f516fa7050602da724780f6eb7003e316373", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b093614f555f4d565fecf07861e4f516fa7050602da724780f6eb7003e316373", kill_on_drop: false }` [INFO] [stdout] b093614f555f4d565fecf07861e4f516fa7050602da724780f6eb7003e316373