[INFO] cloning repository https://github.com/BarlowDu/rust-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BarlowDu/rust-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarlowDu%2Frust-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarlowDu%2Frust-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d8333c5e60bebec05b21a9de1be9277c76830a52 [INFO] testing BarlowDu/rust-lang against 1.47.0 for beta-1.48-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBarlowDu%2Frust-lang" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BarlowDu/rust-lang on toolchain 1.47.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BarlowDu/rust-lang [INFO] finished tweaking git repo https://github.com/BarlowDu/rust-lang [INFO] tweaked toml for git repo https://github.com/BarlowDu/rust-lang written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/BarlowDu/rust-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd42991c75abfdf7d0d3e268b607a0afdad05be97f6d8365d77da1a0d75a9c76 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bd42991c75abfdf7d0d3e268b607a0afdad05be97f6d8365d77da1a0d75a9c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd42991c75abfdf7d0d3e268b607a0afdad05be97f6d8365d77da1a0d75a9c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd42991c75abfdf7d0d3e268b607a0afdad05be97f6d8365d77da1a0d75a9c76", kill_on_drop: false }` [INFO] [stdout] bd42991c75abfdf7d0d3e268b607a0afdad05be97f6d8365d77da1a0d75a9c76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a7dcf00c785e8c14a0427cb44b0d1ca1696236ec911a379863aa83a479249e8 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1a7dcf00c785e8c14a0427cb44b0d1ca1696236ec911a379863aa83a479249e8", kill_on_drop: false }` [INFO] [stderr] Compiling rust-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/module/ienum.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(t)=>println!("result match t"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/module/ienum.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | Err(e)=>println!("result match none") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/module/ienum.rs:33:14 [INFO] [stdout] | [INFO] [stdout] 33 | Some(t)=>println!("option match t"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/module/iborrow.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut s=String::from("rust language"); [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: field is never read: `id` [INFO] [stdout] --> src/module/ilifetime.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | id:i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/module/ilifetime.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | name:&'a str [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "1a7dcf00c785e8c14a0427cb44b0d1ca1696236ec911a379863aa83a479249e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a7dcf00c785e8c14a0427cb44b0d1ca1696236ec911a379863aa83a479249e8", kill_on_drop: false }` [INFO] [stdout] 1a7dcf00c785e8c14a0427cb44b0d1ca1696236ec911a379863aa83a479249e8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22be06b4ecf2488421662323327c9ce37191eca2f33e9dfea61d2466a068db58 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "22be06b4ecf2488421662323327c9ce37191eca2f33e9dfea61d2466a068db58", kill_on_drop: false }` [INFO] [stderr] Compiling rust-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/module/ienum.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | Ok(t)=>println!("result match t"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/module/ienum.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | Err(e)=>println!("result match none") [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/module/ienum.rs:33:14 [INFO] [stdout] | [INFO] [stdout] 33 | Some(t)=>println!("option match t"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/module/iborrow.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut s=String::from("rust language"); [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: field is never read: `id` [INFO] [stdout] --> src/module/ilifetime.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | id:i32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `name` [INFO] [stdout] --> src/module/ilifetime.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | name:&'a str [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "22be06b4ecf2488421662323327c9ce37191eca2f33e9dfea61d2466a068db58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22be06b4ecf2488421662323327c9ce37191eca2f33e9dfea61d2466a068db58", kill_on_drop: false }` [INFO] [stdout] 22be06b4ecf2488421662323327c9ce37191eca2f33e9dfea61d2466a068db58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d1e8b12311174ddb71a62b5d7aaf621a432e38ef2700dae91475dd94c6d31c0a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d1e8b12311174ddb71a62b5d7aaf621a432e38ef2700dae91475dd94c6d31c0a", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/module/ienum.rs:26:12 [INFO] [stderr] | [INFO] [stderr] 26 | Ok(t)=>println!("result match t"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/module/ienum.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | Err(e)=>println!("result match none") [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/module/ienum.rs:33:14 [INFO] [stderr] | [INFO] [stderr] 33 | Some(t)=>println!("option match t"), [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/module/iborrow.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let mut s=String::from("rust language"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `id` [INFO] [stderr] --> src/module/ilifetime.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | id:i32, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `name` [INFO] [stderr] --> src/module/ilifetime.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | name:&'a str [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_lang-02df7408b0b47035 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d1e8b12311174ddb71a62b5d7aaf621a432e38ef2700dae91475dd94c6d31c0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1e8b12311174ddb71a62b5d7aaf621a432e38ef2700dae91475dd94c6d31c0a", kill_on_drop: false }` [INFO] [stdout] d1e8b12311174ddb71a62b5d7aaf621a432e38ef2700dae91475dd94c6d31c0a