[INFO] cloning repository https://github.com/jw3/example-untainers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jw3/example-untainers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw3%2Fexample-untainers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw3%2Fexample-untainers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 343750436d03d5f5e809b3f9f998c3da589a4c13
[INFO] testing jw3/example-untainers against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw3%2Fexample-untainers" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jw3/example-untainers
[INFO] finished tweaking git repo https://github.com/jw3/example-untainers
[INFO] tweaked toml for git repo https://github.com/jw3/example-untainers written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jw3/example-untainers on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jw3/example-untainers 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7649e90b61267177b2221ef184e5e06b8529f01f4cb91c323670756f5c92b78
[INFO] running `Command { std: "docker" "start" "-a" "a7649e90b61267177b2221ef184e5e06b8529f01f4cb91c323670756f5c92b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7649e90b61267177b2221ef184e5e06b8529f01f4cb91c323670756f5c92b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7649e90b61267177b2221ef184e5e06b8529f01f4cb91c323670756f5c92b78", kill_on_drop: false }`
[INFO] [stdout] a7649e90b61267177b2221ef184e5e06b8529f01f4cb91c323670756f5c92b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e63979451e13c9fc8acc4e6f36aa98984050b8cba3f4164039eb2f269adf318d
[INFO] running `Command { std: "docker" "start" "-a" "e63979451e13c9fc8acc4e6f36aa98984050b8cba3f4164039eb2f269adf318d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling miniz_oxide v0.8.2
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling tar v0.4.43
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling untainers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Context};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unshare`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::sched::{clone, unshare, CloneFlags};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::wait::waitpid`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nix::sys::wait::waitpid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ForkResult` and `fork`
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | use nix::unistd::{fork, ForkResult};
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let child = unsafe { clone(Box::new(|| -> isize {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.54s
[INFO] running `Command { std: "docker" "inspect" "e63979451e13c9fc8acc4e6f36aa98984050b8cba3f4164039eb2f269adf318d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e63979451e13c9fc8acc4e6f36aa98984050b8cba3f4164039eb2f269adf318d", kill_on_drop: false }`
[INFO] [stdout] e63979451e13c9fc8acc4e6f36aa98984050b8cba3f4164039eb2f269adf318d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2a9c19b751c2752b9320bba17e999933d4bb7ce406447d02ac11994828372e1
[INFO] running `Command { std: "docker" "start" "-a" "f2a9c19b751c2752b9320bba17e999933d4bb7ce406447d02ac11994828372e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling untainers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/main.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{bail, Context};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `unshare`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::sched::{clone, unshare, CloneFlags};
[INFO] [stdout]   |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix::sys::wait::waitpid`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use nix::sys::wait::waitpid;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ForkResult` and `fork`
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | use nix::unistd::{fork, ForkResult};
[INFO] [stdout]    |                   ^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let child = unsafe { clone(Box::new(|| -> isize {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f2a9c19b751c2752b9320bba17e999933d4bb7ce406447d02ac11994828372e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a9c19b751c2752b9320bba17e999933d4bb7ce406447d02ac11994828372e1", kill_on_drop: false }`
[INFO] [stdout] f2a9c19b751c2752b9320bba17e999933d4bb7ce406447d02ac11994828372e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4954bf1cf288f6b35af848beb319cb27273c9cc3d5690373d1a0b8e657b05281
[INFO] running `Command { std: "docker" "start" "-a" "4954bf1cf288f6b35af848beb319cb27273c9cc3d5690373d1a0b8e657b05281", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:1:20
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 1 | use anyhow::{bail, Context};
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `unshare`
[INFO] [stderr]  --> src/main.rs:6:25
[INFO] [stderr]   |
[INFO] [stderr] 6 | use nix::sched::{clone, unshare, CloneFlags};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `nix::sys::wait::waitpid`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use nix::sys::wait::waitpid;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ForkResult` and `fork`
[INFO] [stderr]   --> src/main.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | use nix::unistd::{fork, ForkResult};
[INFO] [stderr]    |                   ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `child`
[INFO] [stderr]   --> src/main.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let child = unsafe { clone(Box::new(|| -> isize {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `untainers` (bin "untainers" test) generated 5 warnings (run `cargo fix --bin "untainers" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/untainers-05a990b57af331bc)
[INFO] running `Command { std: "docker" "inspect" "4954bf1cf288f6b35af848beb319cb27273c9cc3d5690373d1a0b8e657b05281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4954bf1cf288f6b35af848beb319cb27273c9cc3d5690373d1a0b8e657b05281", kill_on_drop: false }`
[INFO] [stdout] 4954bf1cf288f6b35af848beb319cb27273c9cc3d5690373d1a0b8e657b05281