[INFO] updating cached repository https://github.com/dns2utf8/test_thread_nameing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ce8a52faa7a3213debcb8ad3b46deb6740e4dac
[INFO] testing dns2utf8/test_thread_nameing against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdns2utf8%2Ftest_thread_nameing" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dns2utf8/test_thread_nameing on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dns2utf8/test_thread_nameing
[INFO] removed path dependency libc from git repo https://github.com/dns2utf8/test_thread_nameing
[INFO] finished tweaking git repo https://github.com/dns2utf8/test_thread_nameing
[INFO] tweaked toml for git repo https://github.com/dns2utf8/test_thread_nameing written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dns2utf8/test_thread_nameing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] c94a79d8750126bb08be9a0f1e4b37adac7587c7015ece9778f50e31e0c621db
[INFO] running `Command { std: "docker" "start" "-a" "c94a79d8750126bb08be9a0f1e4b37adac7587c7015ece9778f50e31e0c621db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c94a79d8750126bb08be9a0f1e4b37adac7587c7015ece9778f50e31e0c621db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c94a79d8750126bb08be9a0f1e4b37adac7587c7015ece9778f50e31e0c621db", kill_on_drop: false }`
[INFO] [stdout] c94a79d8750126bb08be9a0f1e4b37adac7587c7015ece9778f50e31e0c621db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ebdd9e74e893a42536147af8bacd45bbc4ffc095303e30e189f8ca8b6e4d300
[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" "9ebdd9e74e893a42536147af8bacd45bbc4ffc095303e30e189f8ca8b6e4d300", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling test_thread_nameing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/main.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{CString, CStr, OsStr};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "9ebdd9e74e893a42536147af8bacd45bbc4ffc095303e30e189f8ca8b6e4d300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ebdd9e74e893a42536147af8bacd45bbc4ffc095303e30e189f8ca8b6e4d300", kill_on_drop: false }`
[INFO] [stdout] 9ebdd9e74e893a42536147af8bacd45bbc4ffc095303e30e189f8ca8b6e4d300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6dfcb1fda5d059386c035e1dad8ea3a31416a82c287d2e97838d0edbcb41570
[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" "a6dfcb1fda5d059386c035e1dad8ea3a31416a82c287d2e97838d0edbcb41570", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling test_thread_nameing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/main.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{CString, CStr, OsStr};
[INFO] [stdout]   |                               ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "a6dfcb1fda5d059386c035e1dad8ea3a31416a82c287d2e97838d0edbcb41570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dfcb1fda5d059386c035e1dad8ea3a31416a82c287d2e97838d0edbcb41570", kill_on_drop: false }`
[INFO] [stdout] a6dfcb1fda5d059386c035e1dad8ea3a31416a82c287d2e97838d0edbcb41570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8f1787580368b56e9f20967e86d7b34ee109f8e247803c85761b21170e27fcce
[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" "8f1787580368b56e9f20967e86d7b34ee109f8e247803c85761b21170e27fcce", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (libc) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: unused import: `OsStr`
[INFO] [stderr]  --> src/main.rs:4:31
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::ffi::{CString, CStr, OsStr};
[INFO] [stderr]   |                               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_thread_nameing-bb426c1acac26397
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8f1787580368b56e9f20967e86d7b34ee109f8e247803c85761b21170e27fcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1787580368b56e9f20967e86d7b34ee109f8e247803c85761b21170e27fcce", kill_on_drop: false }`
[INFO] [stdout] 8f1787580368b56e9f20967e86d7b34ee109f8e247803c85761b21170e27fcce