[INFO] cloning repository https://github.com/blaind/hstrace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blaind/hstrace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaind%2Fhstrace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaind%2Fhstrace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3917fc35a5061ef46301e14c2e5a4c86a8327abc
[INFO] checking blaind/hstrace against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblaind%2Fhstrace" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blaind/hstrace on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blaind/hstrace
[INFO] finished tweaking git repo https://github.com/blaind/hstrace
[INFO] tweaked toml for git repo https://github.com/blaind/hstrace written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/blaind/hstrace already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a3de4a2009dc180d532716e489f31968e2786ef56a8597c46ba68199068ee37
[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" "6a3de4a2009dc180d532716e489f31968e2786ef56a8597c46ba68199068ee37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a3de4a2009dc180d532716e489f31968e2786ef56a8597c46ba68199068ee37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3de4a2009dc180d532716e489f31968e2786ef56a8597c46ba68199068ee37", kill_on_drop: false }`
[INFO] [stdout] 6a3de4a2009dc180d532716e489f31968e2786ef56a8597c46ba68199068ee37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c3dea3f5e7aff21f550af0a98b1413816637c9054dd2d3f739e4d7969c5ab7
[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" "27c3dea3f5e7aff21f550af0a98b1413816637c9054dd2d3f739e4d7969c5ab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]    Compiling hstrace_derive v0.0.1 (/opt/rustwide/workdir/hstrace_derive)
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serial_test_derive v0.5.1
[INFO] [stderr]     Checking serial_test v0.5.1
[INFO] [stderr]    Compiling hstrace v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stdout] warning: use of deprecated function `nix::sys::ptrace::ptrace`: usages of `ptrace()` should be replaced with the specialized helper functions instead
[INFO] [stdout]    --> src/ptrace/syscall_ptrace.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |             ptrace::ptrace(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `nix::sys::ptrace::ptrace`: usages of `ptrace()` should be replaced with the specialized helper functions instead
[INFO] [stdout]    --> src/ptrace/syscall_ptrace.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |             ptrace::ptrace(
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 11s
[INFO] running `Command { std: "docker" "inspect" "27c3dea3f5e7aff21f550af0a98b1413816637c9054dd2d3f739e4d7969c5ab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c3dea3f5e7aff21f550af0a98b1413816637c9054dd2d3f739e4d7969c5ab7", kill_on_drop: false }`
[INFO] [stdout] 27c3dea3f5e7aff21f550af0a98b1413816637c9054dd2d3f739e4d7969c5ab7