[INFO] cloning repository https://github.com/gclsgithub/rustStudy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gclsgithub/rustStudy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgclsgithub%2FrustStudy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgclsgithub%2FrustStudy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 79231cca5dc28409a976e3abefd00b88eb6f1827 [INFO] testing gclsgithub/rustStudy against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgclsgithub%2FrustStudy" "/workspace/builds/worker-64/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gclsgithub/rustStudy on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gclsgithub/rustStudy [INFO] finished tweaking git repo https://github.com/gclsgithub/rustStudy [INFO] tweaked toml for git repo https://github.com/gclsgithub/rustStudy written to /workspace/builds/worker-64/source/Cargo.toml [INFO] crate git repo https://github.com/gclsgithub/rustStudy already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ee74ff52960f41b609e7a0e1c257afbb48785cb660699e48cb73bf5c6aee994 [INFO] running `Command { std: "docker" "start" "-a" "8ee74ff52960f41b609e7a0e1c257afbb48785cb660699e48cb73bf5c6aee994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ee74ff52960f41b609e7a0e1c257afbb48785cb660699e48cb73bf5c6aee994", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ee74ff52960f41b609e7a0e1c257afbb48785cb660699e48cb73bf5c6aee994", kill_on_drop: false }` [INFO] [stdout] 8ee74ff52960f41b609e7a0e1c257afbb48785cb660699e48cb73bf5c6aee994 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e70ed56ed0d523092c13a4fa7a98788f81b9d99a30b4011931e334d877015eb [INFO] running `Command { std: "docker" "start" "-a" "2e70ed56ed0d523092c13a4fa7a98788f81b9d99a30b4011931e334d877015eb", kill_on_drop: false }` [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stack_heap.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut v3 = vec![9, 10]; [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: variable does not need to be mutable [INFO] [stdout] --> src/vars.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut s2 = String::from("helloword"); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [INFO] [stdout] --> src/stack_heap.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAX_POINT` [INFO] [stdout] --> src/vars.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | pub const MAX_POINT: u32 = 100_000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/vars.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fun` [INFO] [stdout] --> src/vars/sub_a.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fun() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fun` [INFO] [stdout] --> src/vars/sub_b.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fun(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.68s [INFO] running `Command { std: "docker" "inspect" "2e70ed56ed0d523092c13a4fa7a98788f81b9d99a30b4011931e334d877015eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e70ed56ed0d523092c13a4fa7a98788f81b9d99a30b4011931e334d877015eb", kill_on_drop: false }` [INFO] [stdout] 2e70ed56ed0d523092c13a4fa7a98788f81b9d99a30b4011931e334d877015eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d91536a2a618af20814c33cb5e523d35bda667f77870b2e708dda7f218106ce [INFO] running `Command { std: "docker" "start" "-a" "5d91536a2a618af20814c33cb5e523d35bda667f77870b2e708dda7f218106ce", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stack_heap.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut v3 = vec![9, 10]; [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: variable does not need to be mutable [INFO] [stdout] --> src/vars.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let mut s2 = String::from("helloword"); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `List` [INFO] [stdout] --> src/stack_heap.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAX_POINT` [INFO] [stdout] --> src/vars.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | pub const MAX_POINT: u32 = 100_000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/vars.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fun` [INFO] [stdout] --> src/vars/sub_a.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fun() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fun` [INFO] [stdout] --> src/vars/sub_b.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn fun(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.36s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-d5ed91d926dd17b1) [INFO] running `Command { std: "docker" "inspect" "5d91536a2a618af20814c33cb5e523d35bda667f77870b2e708dda7f218106ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d91536a2a618af20814c33cb5e523d35bda667f77870b2e708dda7f218106ce", kill_on_drop: false }` [INFO] [stdout] 5d91536a2a618af20814c33cb5e523d35bda667f77870b2e708dda7f218106ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f0c84831cb7abc3f58f18c7709d005abbdaebaf02693cf85ae01835c6638cc7d [INFO] running `Command { std: "docker" "start" "-a" "f0c84831cb7abc3f58f18c7709d005abbdaebaf02693cf85ae01835c6638cc7d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/stack_heap.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut v3 = vec![9, 10]; [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: variable does not need to be mutable [INFO] [stderr] --> src/vars.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let mut s2 = String::from("helloword"); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `List` [INFO] [stderr] --> src/stack_heap.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum List { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `MAX_POINT` [INFO] [stderr] --> src/vars.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub const MAX_POINT: u32 = 100_000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/vars.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fun` [INFO] [stderr] --> src/vars/sub_a.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn fun() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `fun` [INFO] [stderr] --> src/vars/sub_b.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn fun(){ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_world` (bin "hello_world" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.39s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-d5ed91d926dd17b1) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f0c84831cb7abc3f58f18c7709d005abbdaebaf02693cf85ae01835c6638cc7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0c84831cb7abc3f58f18c7709d005abbdaebaf02693cf85ae01835c6638cc7d", kill_on_drop: false }` [INFO] [stdout] f0c84831cb7abc3f58f18c7709d005abbdaebaf02693cf85ae01835c6638cc7d