[INFO] cloning repository https://github.com/duanyuluo/ccc_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/duanyuluo/ccc_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanyuluo%2Fccc_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fduanyuluo%2Fccc_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f453244b082df140850e4bfd94aa735d51c11ad7 [INFO] building duanyuluo/ccc_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%2Fduanyuluo%2Fccc_rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/duanyuluo/ccc_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/duanyuluo/ccc_rust [INFO] finished tweaking git repo https://github.com/duanyuluo/ccc_rust [INFO] tweaked toml for git repo https://github.com/duanyuluo/ccc_rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/duanyuluo/ccc_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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded debug-ignore v1.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ec0eb091d485230307e175c35ddb61d93b965498e06bd095d82138f269540417 [INFO] running `Command { std: "docker" "start" "-a" "ec0eb091d485230307e175c35ddb61d93b965498e06bd095d82138f269540417", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec0eb091d485230307e175c35ddb61d93b965498e06bd095d82138f269540417", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec0eb091d485230307e175c35ddb61d93b965498e06bd095d82138f269540417", kill_on_drop: false }` [INFO] [stdout] ec0eb091d485230307e175c35ddb61d93b965498e06bd095d82138f269540417 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 399ac0258beef5ab421b2b35481eed1ab867e2c47d2bb3b3930b57e017acf9de [INFO] running `Command { std: "docker" "start" "-a" "399ac0258beef5ab421b2b35481eed1ab867e2c47d2bb3b3930b57e017acf9de", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling libc v0.2.145 [INFO] [stderr] Compiling either v1.8.1 [INFO] [stderr] Compiling debug-ignore v1.0.5 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling lib v0.1.0 (/opt/rustwide/workdir/lib) [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> lib/src/cli/cmd.rs:176:25 [INFO] [stdout] | [INFO] [stdout] 176 | pub fn parse(&self, args: Vec) -> CmdExeArgs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd`, `opns`, and `token` are never read [INFO] [stdout] --> lib/src/cli/cmd.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub struct CmdExeArgs<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 56 | cmd: &'a CmdSpec<'a>, [INFO] [stdout] | ^^^ [INFO] [stdout] 57 | opns: Vec<&'a OpnSepc<'a>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 58 | token: &'a str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmdExeArgs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `exec_fn` is never read [INFO] [stdout] --> lib/src/cli/cmd.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct Command { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 70 | exec_fn: DebugIgnore, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ccc_lib v0.1.0 (/opt/rustwide/workdir/ccc_lib) [INFO] [stderr] Compiling ccc_senior v0.1.0 (/opt/rustwide/workdir/ccc_senior) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "399ac0258beef5ab421b2b35481eed1ab867e2c47d2bb3b3930b57e017acf9de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "399ac0258beef5ab421b2b35481eed1ab867e2c47d2bb3b3930b57e017acf9de", kill_on_drop: false }` [INFO] [stdout] 399ac0258beef5ab421b2b35481eed1ab867e2c47d2bb3b3930b57e017acf9de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1c42f9c8c00404c55621061b4e0b09b3a71bf5d2515497b45e685bb5c770d8e3 [INFO] running `Command { std: "docker" "start" "-a" "1c42f9c8c00404c55621061b4e0b09b3a71bf5d2515497b45e685bb5c770d8e3", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> lib/src/cli/cmd.rs:176:25 [INFO] [stdout] | [INFO] [stdout] 176 | pub fn parse(&self, args: Vec) -> CmdExeArgs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd`, `opns`, and `token` are never read [INFO] [stdout] --> lib/src/cli/cmd.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub struct CmdExeArgs<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 56 | cmd: &'a CmdSpec<'a>, [INFO] [stdout] | ^^^ [INFO] [stdout] 57 | opns: Vec<&'a OpnSepc<'a>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 58 | token: &'a str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmdExeArgs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `exec_fn` is never read [INFO] [stdout] --> lib/src/cli/cmd.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct Command { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 70 | exec_fn: DebugIgnore, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling lib v0.1.0 (/opt/rustwide/workdir/lib) [INFO] [stderr] Compiling ccc_lib v0.1.0 (/opt/rustwide/workdir/ccc_lib) [INFO] [stderr] Compiling ccc_senior v0.1.0 (/opt/rustwide/workdir/ccc_senior) [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> lib/src/cli/cmd.rs:176:25 [INFO] [stdout] | [INFO] [stdout] 176 | pub fn parse(&self, args: Vec) -> CmdExeArgs { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `cmd`, `opns`, and `token` are never read [INFO] [stdout] --> lib/src/cli/cmd.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub struct CmdExeArgs<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 56 | cmd: &'a CmdSpec<'a>, [INFO] [stdout] | ^^^ [INFO] [stdout] 57 | opns: Vec<&'a OpnSepc<'a>>, [INFO] [stdout] | ^^^^ [INFO] [stdout] 58 | token: &'a str, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CmdExeArgs` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `exec_fn` is never read [INFO] [stdout] --> lib/src/cli/cmd.rs:70:5 [INFO] [stdout] | [INFO] [stdout] 66 | pub struct Command { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 70 | exec_fn: DebugIgnore, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Command` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "1c42f9c8c00404c55621061b4e0b09b3a71bf5d2515497b45e685bb5c770d8e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c42f9c8c00404c55621061b4e0b09b3a71bf5d2515497b45e685bb5c770d8e3", kill_on_drop: false }` [INFO] [stdout] 1c42f9c8c00404c55621061b4e0b09b3a71bf5d2515497b45e685bb5c770d8e3