[INFO] cloning repository https://github.com/mute1997/runtc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mute1997/runtc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmute1997%2Fruntc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmute1997%2Fruntc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 795a664d9c4ee804ec3dfb15b7c682bf2c698f87
[INFO] checking mute1997/runtc against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmute1997%2Fruntc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mute1997/runtc on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mute1997/runtc
[INFO] finished tweaking git repo https://github.com/mute1997/runtc
[INFO] tweaked toml for git repo https://github.com/mute1997/runtc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mute1997/runtc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2cd410c5c65d659a113c9a199eb65c061188717c6a4132fbe811c07f331698e6
[INFO] running `Command { std: "docker" "start" "-a" "2cd410c5c65d659a113c9a199eb65c061188717c6a4132fbe811c07f331698e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd410c5c65d659a113c9a199eb65c061188717c6a4132fbe811c07f331698e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd410c5c65d659a113c9a199eb65c061188717c6a4132fbe811c07f331698e6", kill_on_drop: false }`
[INFO] [stdout] 2cd410c5c65d659a113c9a199eb65c061188717c6a4132fbe811c07f331698e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddc728c071f32b14b802bfd2a6fc533b8da224c0b3737d55283cacf32c415e33
[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" "ddc728c071f32b14b802bfd2a6fc533b8da224c0b3737d55283cacf32c415e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking os_str_bytes v2.3.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking log4rs v0.12.0
[INFO] [stderr]     Checking runtc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/blockio.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/blockio.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/network.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/network.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/pids.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/pids.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/intelrdt.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/intelrdt.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/blockio.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/blockio.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/network.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/network.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/pids.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/pids.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]  --> src/config/linux/resources/intelrdt.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn create(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]   |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cgroups_path`
[INFO] [stdout]   --> src/config/linux/resources/intelrdt.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn delete(&self, cgroups_path: &String) -> Result<()> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cgroups_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run`
[INFO] [stdout]   --> src/config/hooks.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn run(&self) -> Result<()> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_hook`
[INFO] [stdout]   --> src/config/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn run_hook(&self, hook_type: String) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `run_hook`
[INFO] [stdout]   --> src/config/mod.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn run_hook(&self, hook_type: String) -> Result<()> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.30s
[INFO] running `Command { std: "docker" "inspect" "ddc728c071f32b14b802bfd2a6fc533b8da224c0b3737d55283cacf32c415e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc728c071f32b14b802bfd2a6fc533b8da224c0b3737d55283cacf32c415e33", kill_on_drop: false }`
[INFO] [stdout] ddc728c071f32b14b802bfd2a6fc533b8da224c0b3737d55283cacf32c415e33