[INFO] fetching crate arcboot 0.1.4...
[INFO] checking arcboot-0.1.4 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate arcboot 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate arcboot 0.1.4 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcboot 0.1.4
[INFO] finished tweaking crates.io crate arcboot 0.1.4
[INFO] tweaked toml for crates.io crate arcboot 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate arcboot 0.1.4 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" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86eb596f77a59315468f538b0837ae1dfb9ce191bd1a08b7448cc046c7d0ef6b
[INFO] running `Command { std: "docker" "start" "-a" "86eb596f77a59315468f538b0837ae1dfb9ce191bd1a08b7448cc046c7d0ef6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86eb596f77a59315468f538b0837ae1dfb9ce191bd1a08b7448cc046c7d0ef6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86eb596f77a59315468f538b0837ae1dfb9ce191bd1a08b7448cc046c7d0ef6b", kill_on_drop: false }`
[INFO] [stdout] 86eb596f77a59315468f538b0837ae1dfb9ce191bd1a08b7448cc046c7d0ef6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a995dce7708405f019384d0e36d9463b8c9d84a40d5bd3fea0cc1743442b3d69
[INFO] running `Command { std: "docker" "start" "-a" "a995dce7708405f019384d0e36d9463b8c9d84a40d5bd3fea0cc1743442b3d69", kill_on_drop: false }`
[INFO] [stderr]     Checking arcboot v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `vec::Vec` and `vec`
[INFO] [stdout]  --> src/builder.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{vec, vec::Vec};
[INFO] [stdout]   |           ^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `vec::Vec` and `vec`
[INFO] [stdout]  --> src/builder.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{vec, vec::Vec};
[INFO] [stdout]   |           ^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staticlib_dir`
[INFO] [stdout]    --> src/builder.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn full_build(staticlib_dir: &str, arch: Arch) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staticlib_dir`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arch`
[INFO] [stdout]    --> src/builder.rs:152:40
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn full_build(staticlib_dir: &str, arch: Arch) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `cargo_command` should have an upper case name
[INFO] [stdout]  --> src/builder.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const cargo_command: &str = "cargo";
[INFO] [stdout]   |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `CARGO_COMMAND`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rustc_command` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const rustc_command: &str = "rustc";
[INFO] [stdout]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RUSTC_COMMAND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rustc_target_command` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const rustc_target_command: &str = "--target=";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RUSTC_TARGET_COMMAND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rustc_flag_command` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const rustc_flag_command: &str = "--";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RUSTC_FLAG_COMMAND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `staticlib_crate_type` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const staticlib_crate_type: &str = "--crate-type=staticlib";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `STATICLIB_CRATE_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `staticlib_dir`
[INFO] [stdout]    --> src/builder.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn full_build(staticlib_dir: &str, arch: Arch) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_staticlib_dir`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arch`
[INFO] [stdout]    --> src/builder.rs:152:40
[INFO] [stdout]     |
[INFO] [stdout] 152 | pub fn full_build(staticlib_dir: &str, arch: Arch) {
[INFO] [stdout]     |                                        ^^^^ help: if this is intentional, prefix it with an underscore: `_arch`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `cargo_command` should have an upper case name
[INFO] [stdout]  --> src/builder.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const cargo_command: &str = "cargo";
[INFO] [stdout]   |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `CARGO_COMMAND`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rustc_command` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const rustc_command: &str = "rustc";
[INFO] [stdout]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RUSTC_COMMAND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rustc_target_command` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const rustc_target_command: &str = "--target=";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RUSTC_TARGET_COMMAND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `rustc_flag_command` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:12:7
[INFO] [stdout]    |
[INFO] [stdout] 12 | const rustc_flag_command: &str = "--";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RUSTC_FLAG_COMMAND`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `staticlib_crate_type` should have an upper case name
[INFO] [stdout]   --> src/builder.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | const staticlib_crate_type: &str = "--crate-type=staticlib";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `STATICLIB_CRATE_TYPE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arcboot::str`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use arcboot::str;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arcboot::str`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use arcboot::str;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         exit(1);
[INFO] [stdout]    |         ------- any code following this expression is unreachable
[INFO] [stdout] 84 |
[INFO] [stdout] 85 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         exit(1);
[INFO] [stdout]    |         ------- any code following this expression is unreachable
[INFO] [stdout] 84 |
[INFO] [stdout] 85 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         exit(1);
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         exit(1);
[INFO] [stdout]     |         ------- any code following this expression is unreachable
[INFO] [stdout] 101 |
[INFO] [stdout] 102 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `build`
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let build = Build::new(__arch_build)
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_build`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `build`
[INFO] [stdout]   --> src/main.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let build = Build::new(__arch_build)
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_build`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut arch_build = match __arch_build {
[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/main.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut arch_build = match __arch_build {
[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: constant `BUILD_CFG` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BUILD_CFG: [&str; 3] = ["--release", "--debug", "--test"];
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUPPORT_ENV_PATH` is never used
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SUPPORT_ENV_PATH: &str = "support/";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `QEMU` should have a snake case name
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `qemu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUILD_CFG` is never used
[INFO] [stdout]   --> src/main.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BUILD_CFG: [&str; 3] = ["--release", "--debug", "--test"];
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SUPPORT_ENV_PATH` is never used
[INFO] [stdout]   --> src/main.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const SUPPORT_ENV_PATH: &str = "support/";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `QEMU` should have a snake case name
[INFO] [stdout]   --> src/main.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]    |             ^^^^ help: convert the identifier to snake case: `qemu`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `QEMU` should have a snake case name
[INFO] [stdout]    --> src/main.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `qemu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `QEMU` should have a snake case name
[INFO] [stdout]    --> src/main.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let QEMU = "qemu-system-riscv64";
[INFO] [stdout]     |             ^^^^ help: convert the identifier to snake case: `qemu`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "a995dce7708405f019384d0e36d9463b8c9d84a40d5bd3fea0cc1743442b3d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a995dce7708405f019384d0e36d9463b8c9d84a40d5bd3fea0cc1743442b3d69", kill_on_drop: false }`
[INFO] [stdout] a995dce7708405f019384d0e36d9463b8c9d84a40d5bd3fea0cc1743442b3d69
