[INFO] cloning repository https://github.com/cordear/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/cordear/skip_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordear%2Fskip_list", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordear%2Fskip_list'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 415d42e997c89bc28563be42668bc2fa6e54515b [INFO] building cordear/skip_list against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcordear%2Fskip_list" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cordear/skip_list on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cordear/skip_list [INFO] finished tweaking git repo https://github.com/cordear/skip_list [INFO] tweaked toml for git repo https://github.com/cordear/skip_list written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cordear/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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75705f6df7db12a8b8fdab5ee60a20fa46e78f55073eb656f2dca696f486d08b [INFO] running `Command { std: "docker" "start" "-a" "75705f6df7db12a8b8fdab5ee60a20fa46e78f55073eb656f2dca696f486d08b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75705f6df7db12a8b8fdab5ee60a20fa46e78f55073eb656f2dca696f486d08b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75705f6df7db12a8b8fdab5ee60a20fa46e78f55073eb656f2dca696f486d08b", kill_on_drop: false }` [INFO] [stdout] 75705f6df7db12a8b8fdab5ee60a20fa46e78f55073eb656f2dca696f486d08b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a308021a9438971c743df30bb0945ff166eb9648fadfa7cfb64769fa39840bad [INFO] running `Command { std: "docker" "start" "-a" "a308021a9438971c743df30bb0945ff166eb9648fadfa7cfb64769fa39840bad", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling getrandom v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.4 [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: field `level` is never read [INFO] [stdout] --> src/skip_list.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | level: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_value` and `is_head` are never used [INFO] [stdout] --> src/skip_list.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 24 | / impl Node [INFO] [stdout] 25 | | where [INFO] [stdout] 26 | | K: PartialOrd, [INFO] [stdout] | |__________________- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn set_value(&mut self, value: V) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn is_head(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "a308021a9438971c743df30bb0945ff166eb9648fadfa7cfb64769fa39840bad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a308021a9438971c743df30bb0945ff166eb9648fadfa7cfb64769fa39840bad", kill_on_drop: false }` [INFO] [stdout] a308021a9438971c743df30bb0945ff166eb9648fadfa7cfb64769fa39840bad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=forbid -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 219d6b0886d4866111837acdf2eeee9a5330d8584032a6f15e95e6610555ca18 [INFO] running `Command { std: "docker" "start" "-a" "219d6b0886d4866111837acdf2eeee9a5330d8584032a6f15e95e6610555ca18", kill_on_drop: false }` [INFO] [stderr] Compiling skip_list v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `level` is never read [INFO] [stdout] --> src/skip_list.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | level: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_value` and `is_head` are never used [INFO] [stdout] --> src/skip_list.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 24 | / impl Node [INFO] [stdout] 25 | | where [INFO] [stdout] 26 | | K: PartialOrd, [INFO] [stdout] | |__________________- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn set_value(&mut self, value: V) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn is_head(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `level` is never read [INFO] [stdout] --> src/skip_list.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node [INFO] [stdout] | ---- field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | level: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_value` and `is_head` are never used [INFO] [stdout] --> src/skip_list.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 24 | / impl Node [INFO] [stdout] 25 | | where [INFO] [stdout] 26 | | K: PartialOrd, [INFO] [stdout] | |__________________- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn set_value(&mut self, value: V) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | pub fn is_head(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "219d6b0886d4866111837acdf2eeee9a5330d8584032a6f15e95e6610555ca18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "219d6b0886d4866111837acdf2eeee9a5330d8584032a6f15e95e6610555ca18", kill_on_drop: false }` [INFO] [stdout] 219d6b0886d4866111837acdf2eeee9a5330d8584032a6f15e95e6610555ca18