[INFO] cloning repository https://github.com/kxxt/ptrace-syscalls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kxxt/ptrace-syscalls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkxxt%2Fptrace-syscalls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkxxt%2Fptrace-syscalls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f9a5d10a3c3bcddee620b8b0625e7f2c78d1c17
[INFO] checking kxxt/ptrace-syscalls against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkxxt%2Fptrace-syscalls" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kxxt/ptrace-syscalls on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kxxt/ptrace-syscalls
[INFO] finished tweaking git repo https://github.com/kxxt/ptrace-syscalls
[INFO] tweaked toml for git repo https://github.com/kxxt/ptrace-syscalls written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kxxt/ptrace-syscalls 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumflags2 v0.7.10
[INFO] [stderr]   Downloaded kxxt-owo-colors v4.0.0
[INFO] [stderr]   Downloaded enumflags2_derive v0.7.10
[INFO] [stderr]   Downloaded slice-dst v1.5.1
[INFO] [stderr]   Downloaded libc v0.2.156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6762417bcfa1114dcfc5d77671d580b9e2a187e7f09ad1e3433689b48661148a
[INFO] running `Command { std: "docker" "start" "-a" "6762417bcfa1114dcfc5d77671d580b9e2a187e7f09ad1e3433689b48661148a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6762417bcfa1114dcfc5d77671d580b9e2a187e7f09ad1e3433689b48661148a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6762417bcfa1114dcfc5d77671d580b9e2a187e7f09ad1e3433689b48661148a", kill_on_drop: false }`
[INFO] [stdout] 6762417bcfa1114dcfc5d77671d580b9e2a187e7f09ad1e3433689b48661148a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d7abb6fff2e137ae8ed0a722e7de74e04eaa8e06b44876771cadfb6c457a32c
[INFO] running `Command { std: "docker" "start" "-a" "9d7abb6fff2e137ae8ed0a722e7de74e04eaa8e06b44876771cadfb6c457a32c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling erasable v1.2.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling libc v0.2.156
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling slice-dst v1.5.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling indexmap v2.4.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking kxxt-owo-colors v4.0.0
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling enumflags2_derive v0.7.10
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]     Checking enumflags2 v0.7.10
[INFO] [stderr]    Compiling ptrace-syscalls-macros v0.0.0-experimental.2 (/opt/rustwide/workdir/ptrace-syscalls-macros)
[INFO] [stderr]     Checking ptrace-syscalls v0.0.0-experimental.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_lossy_string` is never used
[INFO] [stdout]    --> src/inspect.rs:345:4
[INFO] [stdout]     |
[INFO] [stdout] 345 | fn read_lossy_string(pid: Pid, address: AddressType) -> InspectResult<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lossy_string` is never used
[INFO] [stdout]    --> src/inspect.rs:345:4
[INFO] [stdout]     |
[INFO] [stdout] 345 | fn read_lossy_string(pid: Pid, address: AddressType) -> InspectResult<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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] [stdout] warning: unused variable: `pid`
[INFO] [stdout]   --> examples/rstrace.rs:92:31
[INFO] [stdout]    |
[INFO] [stdout] 92 |       WaitStatus::PtraceEvent(pid, sig, evt) => match evt {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> examples/rstrace.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |       WaitStatus::PtraceEvent(pid, sig, evt) => match evt {
[INFO] [stdout]    |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> examples/mmaptrace.rs:107:31
[INFO] [stdout]     |
[INFO] [stdout] 107 |       WaitStatus::PtraceEvent(pid, sig, evt) => match evt {
[INFO] [stdout]     |                               ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]    --> examples/mmaptrace.rs:107:36
[INFO] [stdout]     |
[INFO] [stdout] 107 |       WaitStatus::PtraceEvent(pid, sig, evt) => match evt {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.95s
[INFO] running `Command { std: "docker" "inspect" "9d7abb6fff2e137ae8ed0a722e7de74e04eaa8e06b44876771cadfb6c457a32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d7abb6fff2e137ae8ed0a722e7de74e04eaa8e06b44876771cadfb6c457a32c", kill_on_drop: false }`
[INFO] [stdout] 9d7abb6fff2e137ae8ed0a722e7de74e04eaa8e06b44876771cadfb6c457a32c