[INFO] cloning repository https://github.com/Jabbslad/computer_science_problems_in_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jabbslad/computer_science_problems_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabbslad%2Fcomputer_science_problems_in_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJabbslad%2Fcomputer_science_problems_in_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 47aeeddfb78234a955608dc81a3b3e81ec22e220 [INFO] building Jabbslad/computer_science_problems_in_rust 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%2FJabbslad%2Fcomputer_science_problems_in_rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jabbslad/computer_science_problems_in_rust 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/Jabbslad/computer_science_problems_in_rust [INFO] finished tweaking git repo https://github.com/Jabbslad/computer_science_problems_in_rust [INFO] tweaked toml for git repo https://github.com/Jabbslad/computer_science_problems_in_rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Jabbslad/computer_science_problems_in_rust 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 31685a7593dc50906d56586d0db01de876881d00796182926a8053bb20dcfe37 [INFO] running `Command { std: "docker" "start" "-a" "31685a7593dc50906d56586d0db01de876881d00796182926a8053bb20dcfe37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31685a7593dc50906d56586d0db01de876881d00796182926a8053bb20dcfe37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31685a7593dc50906d56586d0db01de876881d00796182926a8053bb20dcfe37", kill_on_drop: false }` [INFO] [stdout] 31685a7593dc50906d56586d0db01de876881d00796182926a8053bb20dcfe37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4dd8524fe31bb0dab8eae0d051ba1953d5effb0341470444cd7e67528d22273a [INFO] running `Command { std: "docker" "start" "-a" "4dd8524fe31bb0dab8eae0d051ba1953d5effb0341470444cd7e67528d22273a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling computer_science_problems_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `fib_m` is never used [INFO] [stdout] --> src/fib.rs:4:4 [INFO] [stdout] | [INFO] [stdout] 4 | fn fib_m(m: &mut HashMap, n: i64) -> i64 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fib_mem` is never used [INFO] [stdout] --> src/fib.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn fib_mem(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fib_iter` is never used [INFO] [stdout] --> src/fib.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn fib_iter(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fib_no_tr` is never used [INFO] [stdout] --> src/fib.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn fib_no_tr(n: i64) -> i64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `BitPair` is never used [INFO] [stdout] --> src/compression.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | type BitPair = (bool, bool); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compress2` is never used [INFO] [stdout] --> src/compression.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn compress2(s: String) -> Vec { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decompress` is never used [INFO] [stdout] --> src/compression.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn decompress(v: &Vec) -> String { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `compress` is never used [INFO] [stdout] --> src/compression.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn compress(s: String) -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_key` is never used [INFO] [stdout] --> src/encryption.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn random_key(n: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "4dd8524fe31bb0dab8eae0d051ba1953d5effb0341470444cd7e67528d22273a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dd8524fe31bb0dab8eae0d051ba1953d5effb0341470444cd7e67528d22273a", kill_on_drop: false }` [INFO] [stdout] 4dd8524fe31bb0dab8eae0d051ba1953d5effb0341470444cd7e67528d22273a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f33be6a67069a699e7888b623b4b2d7415968536a831d7e0e8dab51837af98a4 [INFO] running `Command { std: "docker" "start" "-a" "f33be6a67069a699e7888b623b4b2d7415968536a831d7e0e8dab51837af98a4", kill_on_drop: false }` [INFO] [stderr] Compiling computer_science_problems_in_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "f33be6a67069a699e7888b623b4b2d7415968536a831d7e0e8dab51837af98a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f33be6a67069a699e7888b623b4b2d7415968536a831d7e0e8dab51837af98a4", kill_on_drop: false }` [INFO] [stdout] f33be6a67069a699e7888b623b4b2d7415968536a831d7e0e8dab51837af98a4