[INFO] fetching crate sbox 0.2.4...
[INFO] testing sbox-0.2.4 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate sbox 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate sbox 0.2.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sbox 0.2.4
[INFO] tweaked toml for crates.io crate sbox 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sbox 0.2.4 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to highest compatible versions
[INFO] [stderr]       Adding nix v0.29.0 (available: v0.31.3)
[INFO] [stderr]       Adding rand v0.8.8 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467
[INFO] running `Command { std: "docker" "start" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling sbox v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/process.rs:187:25
[INFO] [stdout]     |
[INFO] [stdout] 187 |                         Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stdout]     |                         ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         unreachable call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/process.rs:431:33
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stdout]     |                       ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling sbox v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/process.rs:187:25
[INFO] [stdout]     |
[INFO] [stdout] 187 |                         Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stdout]     |                         ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         unreachable call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/process.rs:431:33
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stdout]     |                       ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tar v0.4.46
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/process.rs:187:25
[INFO] [stdout]     |
[INFO] [stdout] 187 |                         Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stdout]     |                         ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         unreachable call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable call
[INFO] [stdout]    --> src/process.rs:431:33
[INFO] [stdout]     |
[INFO] [stdout] 431 | ...                   Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stdout]     |                       ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       unreachable call
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 18.11s
[INFO] running `Command { std: "docker" "inspect" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]    --> src/process.rs:187:25
[INFO] [stderr]     |
[INFO] [stderr] 187 |                         Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stderr]     |                         ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         unreachable call
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]    --> src/process.rs:431:33
[INFO] [stderr]     |
[INFO] [stderr] 431 | ...                   Ok(execvpe(&filename, &argv, &envp)?)
[INFO] [stderr]     |                       ^^ --------------------------------- any code following this expression is unreachable
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       unreachable call
[INFO] [stderr] 
[INFO] [stderr] warning: `sbox` (lib) generated 2 warnings
[INFO] [stderr] warning: `sbox` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/sbox/d1b7a321c789887f/out/sbox-d1b7a321c789887f)
[INFO] [stderr]      Running tests/cgroup.rs (/opt/rustwide/target/release/build/sbox/dfbd74cacb4267cd/out/cgroup-dfbd74cacb4267cd)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_cgroup ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_cgroup stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_cgroup' (415) panicked at tests/cgroup.rs:7:36:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "Current process cannot be in root cgroup"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x590ab39201e1 - <<std[617be2ca0a6fd877]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a373ad73a504971]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x590ab393491a - core[a373ad73a504971]::fmt::write
[INFO] [stdout]    2:     0x590ab39243fc - <alloc[2e1b2a31b91974c5]::vec::Vec<u8> as core[a373ad73a504971]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x590ab38fb806 - std[617be2ca0a6fd877]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x590ab3918489 - std[617be2ca0a6fd877]::panicking::default_hook
[INFO] [stdout]    5:     0x590ab38ae820 - test[aada8e7e76ba119b]::test_main_inner::{closure#0}
[INFO] [stdout]    6:     0x590ab3918642 - std[617be2ca0a6fd877]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x590ab38fb8b2 - std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x590ab38f4319 - std[617be2ca0a6fd877]::sys::backtrace::__rust_end_short_backtrace::<std[617be2ca0a6fd877]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x590ab38fc4bd - __rustc[ea4f61d10b84890b]::rust_begin_unwind
[INFO] [stdout]   10:     0x590ab393504c - core[a373ad73a504971]::panicking::panic_fmt
[INFO] [stdout]   11:     0x590ab3934e22 - core[a373ad73a504971]::result::unwrap_failed
[INFO] [stdout]   12:     0x590ab38a18c8 - <cgroup[a85a7b2c68cc8d21]::test_cgroup::{closure#0} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x590ab38a1c6b - test[aada8e7e76ba119b]::__rust_begin_short_backtrace::<core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>, fn() -> core[a373ad73a504971]::result::Result<(), alloc[2e1b2a31b91974c5]::string::String>>
[INFO] [stdout]   14:     0x590ab38aee45 - test[aada8e7e76ba119b]::run_test::{closure#0}
[INFO] [stdout]   15:     0x590ab38a8734 - std[617be2ca0a6fd877]::sys::backtrace::__rust_begin_short_backtrace::<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x590ab38b1ed2 - <std[617be2ca0a6fd877]::thread::lifecycle::spawn_unchecked<test[aada8e7e76ba119b]::run_test::{closure#1}, ()>::{closure#1} as core[a373ad73a504971]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x590ab391f72f - <std[617be2ca0a6fd877]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x73873beccdfa - <unknown>
[INFO] [stdout]   19:     0x73873bf603d4 - clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_cgroup
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test cgroup`
[INFO] running `Command { std: "docker" "inspect" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467", kill_on_drop: false }`
[INFO] [stdout] 414e359b9bdb83247f6d344ec30bf503bfea1df27ff5ecbf83597a54deff7467
