[INFO] cloning repository https://github.com/Mefgalm/Metal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mefgalm/Metal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMefgalm%2FMetal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMefgalm%2FMetal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e756ec9ba89948a66ed51a1e2f399f4e04ec597c
[INFO] testing Mefgalm/Metal against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMefgalm%2FMetal" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mefgalm/Metal on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mefgalm/Metal
[INFO] finished tweaking git repo https://github.com/Mefgalm/Metal
[INFO] tweaked toml for git repo https://github.com/Mefgalm/Metal written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Mefgalm/Metal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da9a21669bcb12ff279b963281ab8771d41ac189c6d68f2da517e88cd259c866
[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" "da9a21669bcb12ff279b963281ab8771d41ac189c6d68f2da517e88cd259c866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da9a21669bcb12ff279b963281ab8771d41ac189c6d68f2da517e88cd259c866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9a21669bcb12ff279b963281ab8771d41ac189c6d68f2da517e88cd259c866", kill_on_drop: false }`
[INFO] [stdout] da9a21669bcb12ff279b963281ab8771d41ac189c6d68f2da517e88cd259c866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cce6cb23de55fdc897581b16899395f160fbe721dd2b84b165f75bb0d175e738
[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" "cce6cb23de55fdc897581b16899395f160fbe721dd2b84b165f75bb0d175e738", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling hyper v0.14.9
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling metal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/downloader.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     io::{self, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/addons_manager/file_system_addons_loader.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::File, path::Path};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::base::*`
[INFO] [stdout]  --> src/addons_manager/file_system_addons_loader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::base::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/addons_manager/file_system_addons_loader.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADDONS_JSON`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ADDONS_JSON: &str = "addons.json";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADDONS_LOCK`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const ADDONS_LOCK: &str = "addons.lock";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_folder`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     root_folder: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(root_folder: &PathBuf) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "cce6cb23de55fdc897581b16899395f160fbe721dd2b84b165f75bb0d175e738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cce6cb23de55fdc897581b16899395f160fbe721dd2b84b165f75bb0d175e738", kill_on_drop: false }`
[INFO] [stdout] cce6cb23de55fdc897581b16899395f160fbe721dd2b84b165f75bb0d175e738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49f848b89dbc3224441975cb4969823b10c7b28c2627894f09d7e8703857de20
[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" "49f848b89dbc3224441975cb4969823b10c7b28c2627894f09d7e8703857de20", kill_on_drop: false }`
[INFO] [stderr]    Compiling metal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/downloader.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     io::{self, Write},
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/addons_manager/file_system_addons_loader.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs::File, path::Path};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::base::*`
[INFO] [stdout]  --> src/addons_manager/file_system_addons_loader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::base::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/addons_manager/file_system_addons_loader.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADDONS_JSON`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const ADDONS_JSON: &str = "addons.json";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ADDONS_LOCK`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const ADDONS_LOCK: &str = "addons.lock";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_folder`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     root_folder: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/addons_manager/file_system_addons_loader.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(root_folder: &PathBuf) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "49f848b89dbc3224441975cb4969823b10c7b28c2627894f09d7e8703857de20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f848b89dbc3224441975cb4969823b10c7b28c2627894f09d7e8703857de20", kill_on_drop: false }`
[INFO] [stdout] 49f848b89dbc3224441975cb4969823b10c7b28c2627894f09d7e8703857de20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1ef02827c2044a7a06dc067c868d51e3a71a04d7177f36908503e8b1a29ef144
[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" "1ef02827c2044a7a06dc067c868d51e3a71a04d7177f36908503e8b1a29ef144", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/downloader.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     io::{self, Write},
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs::File`
[INFO] [stderr]  --> src/addons_manager/file_system_addons_loader.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{fs::File, path::Path};
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::base::*`
[INFO] [stderr]  --> src/addons_manager/file_system_addons_loader.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::base::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::Value`
[INFO] [stderr]  --> src/addons_manager/file_system_addons_loader.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use serde_json::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ADDONS_JSON`
[INFO] [stderr]   --> src/addons_manager/file_system_addons_loader.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const ADDONS_JSON: &str = "addons.json";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ADDONS_LOCK`
[INFO] [stderr]   --> src/addons_manager/file_system_addons_loader.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const ADDONS_LOCK: &str = "addons.lock";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root_folder`
[INFO] [stderr]   --> src/addons_manager/file_system_addons_loader.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     root_folder: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/addons_manager/file_system_addons_loader.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(root_folder: &PathBuf) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `metal` (bin "metal" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/metal-1b9b63ca34c4252f)
[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" "1ef02827c2044a7a06dc067c868d51e3a71a04d7177f36908503e8b1a29ef144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef02827c2044a7a06dc067c868d51e3a71a04d7177f36908503e8b1a29ef144", kill_on_drop: false }`
[INFO] [stdout] 1ef02827c2044a7a06dc067c868d51e3a71a04d7177f36908503e8b1a29ef144