[INFO] cloning repository https://github.com/mantis133/brain-fuck-interpreter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mantis133/brain-fuck-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmantis133%2Fbrain-fuck-interpreter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 734a194461f2859b69ea954488906f2a3ff07101 [INFO] building mantis133/brain-fuck-interpreter 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%2Fmantis133%2Fbrain-fuck-interpreter" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mantis133/brain-fuck-interpreter 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/mantis133/brain-fuck-interpreter [INFO] finished tweaking git repo https://github.com/mantis133/brain-fuck-interpreter [INFO] tweaked toml for git repo https://github.com/mantis133/brain-fuck-interpreter written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mantis133/brain-fuck-interpreter 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9009c81debfdd1efd21e3fdcbc4b663f7bcd07097df3f0e03b60de824f91015b [INFO] running `Command { std: "docker" "start" "-a" "9009c81debfdd1efd21e3fdcbc4b663f7bcd07097df3f0e03b60de824f91015b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9009c81debfdd1efd21e3fdcbc4b663f7bcd07097df3f0e03b60de824f91015b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9009c81debfdd1efd21e3fdcbc4b663f7bcd07097df3f0e03b60de824f91015b", kill_on_drop: false }` [INFO] [stdout] 9009c81debfdd1efd21e3fdcbc4b663f7bcd07097df3f0e03b60de824f91015b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f92d03b9792f7c30e036daef23078039cc10cdf2ccc2b8b541f7054d051f2225 [INFO] running `Command { std: "docker" "start" "-a" "f92d03b9792f7c30e036daef23078039cc10cdf2ccc2b8b541f7054d051f2225", kill_on_drop: false }` [INFO] [stderr] Compiling brain-fuck-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:133:50 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:30 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:137:33 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:137:50 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:141:33 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:141:50 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:141:29 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | Err(error) => {std::process::exit(1)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | Err(error) => {std::process::exit(2)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Err(error) => {std::process::exit(3)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | Err(error) => {std::process::exit(4)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "f92d03b9792f7c30e036daef23078039cc10cdf2ccc2b8b541f7054d051f2225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f92d03b9792f7c30e036daef23078039cc10cdf2ccc2b8b541f7054d051f2225", kill_on_drop: false }` [INFO] [stdout] f92d03b9792f7c30e036daef23078039cc10cdf2ccc2b8b541f7054d051f2225 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 80d155b18bb635d88c13183ee901a3a36089e580054950da95f62944e6f3f855 [INFO] running `Command { std: "docker" "start" "-a" "80d155b18bb635d88c13183ee901a3a36089e580054950da95f62944e6f3f855", kill_on_drop: false }` [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:133:50 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:30 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:137:33 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:137:50 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling brain-fuck-interpreter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:141:33 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:141:50 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:141:29 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | Err(error) => {std::process::exit(1)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | Err(error) => {std::process::exit(2)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Err(error) => {std::process::exit(3)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `error` [INFO] [stdout] --> src/main.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | Err(error) => {std::process::exit(4)} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_error` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:133:34 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:133:50 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:133:30 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn compute_token_ascii_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:137:33 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:137:50 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:137:29 [INFO] [stdout] | [INFO] [stdout] 137 | pub fn compute_token_utf8_s(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `memory` [INFO] [stdout] --> src/lib.rs:141:33 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tape` [INFO] [stdout] --> src/lib.rs:141:50 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_tape` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:141:29 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn compute_token_utf8_e(mut memory:Vec, tape: Vec) { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "80d155b18bb635d88c13183ee901a3a36089e580054950da95f62944e6f3f855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80d155b18bb635d88c13183ee901a3a36089e580054950da95f62944e6f3f855", kill_on_drop: false }` [INFO] [stdout] 80d155b18bb635d88c13183ee901a3a36089e580054950da95f62944e6f3f855