[INFO] cloning repository https://github.com/chop0/circus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chop0/circus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Fcircus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Fcircus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 458b68942f828f167198bd8866ca6c98c6fa1c4a [INFO] checking chop0/circus against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchop0%2Fcircus" "/workspace/builds/worker-70/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-70/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chop0/circus on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chop0/circus [INFO] finished tweaking git repo https://github.com/chop0/circus [INFO] tweaked toml for git repo https://github.com/chop0/circus written to /workspace/builds/worker-70/source/Cargo.toml [INFO] crate git repo https://github.com/chop0/circus already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /workspace/builds/worker-70/source/acrobatics/Cargo.toml [INFO] [stderr] workspace: /workspace/builds/worker-70/source/Cargo.toml [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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3586db6c4e723ccf0335dae5db1c2fea3c06b8fdd71e31367ff5331f28f4a8d2 [INFO] running `Command { std: "docker" "start" "-a" "3586db6c4e723ccf0335dae5db1c2fea3c06b8fdd71e31367ff5331f28f4a8d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3586db6c4e723ccf0335dae5db1c2fea3c06b8fdd71e31367ff5331f28f4a8d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3586db6c4e723ccf0335dae5db1c2fea3c06b8fdd71e31367ff5331f28f4a8d2", kill_on_drop: false }` [INFO] [stdout] 3586db6c4e723ccf0335dae5db1c2fea3c06b8fdd71e31367ff5331f28f4a8d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b959bd1b720e892e68602ba70c02a2d67c4e63ee9bbda1efba54e4d0c9fe8aa [INFO] running `Command { std: "docker" "start" "-a" "2b959bd1b720e892e68602ba70c02a2d67c4e63ee9bbda1efba54e4d0c9fe8aa", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /opt/rustwide/workdir/acrobatics/Cargo.toml [INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling sysinfo v0.20.0 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking font8x8 v0.3.1 [INFO] [stderr] Checking nix v0.22.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking process-memory v0.4.0 [INFO] [stderr] Checking rayon-core v1.9.1 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking rayon v1.5.1 [INFO] [stderr] Checking message_passing v0.1.0 (/opt/rustwide/workdir/message_passing) [INFO] [stderr] Checking acrobatics v0.1.0 (/opt/rustwide/workdir/acrobatics) [INFO] [stderr] Checking solution v0.1.0 (/opt/rustwide/workdir/solution) [INFO] [stdout] warning: unused import: `process_memory::Memory` [INFO] [stdout] --> acrobatics/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use process_memory::Memory; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ProcessExt` [INFO] [stdout] --> acrobatics/src/main.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use sysinfo::{ProcessExt, SystemExt}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemExt` [INFO] [stdout] --> acrobatics/src/main.rs:10:27 [INFO] [stdout] | [INFO] [stdout] 10 | use sysinfo::{ProcessExt, SystemExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `process_memory::Memory` [INFO] [stdout] --> acrobatics/src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use process_memory::Memory; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ProcessExt` [INFO] [stdout] --> acrobatics/src/main.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use sysinfo::{ProcessExt, SystemExt}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SystemExt` [INFO] [stdout] --> acrobatics/src/main.rs:10:27 [INFO] [stdout] | [INFO] [stdout] 10 | use sysinfo::{ProcessExt, SystemExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | connection.set_read_timeout(Some(Duration::from_millis(20))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | connection.write(&sign([0x2d, 0x94, 0x22, 0x9b, 0x15, 0x98, 0x91, 0x11])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | connection.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | connection.write(&sign(shellcodebuf)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | connection.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | connection.write(&sign([0x65, 0x91, 0x9, 0x44, 0x00, 0x12, 0x8f, 0xff])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | connection.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | connection.read(&mut str); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> acrobatics/src/main.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | stream.write(&[1, 1, 1, 1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> acrobatics/src/main.rs:31:17 [INFO] [stdout] | [INFO] [stdout] 31 | stream.write(&[1, 1, 1, 1]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | connection.set_read_timeout(Some(Duration::from_millis(20))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | connection.write(&sign([0x2d, 0x94, 0x22, 0x9b, 0x15, 0x98, 0x91, 0x11])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | connection.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | connection.write(&sign(shellcodebuf)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:31:13 [INFO] [stdout] | [INFO] [stdout] 31 | connection.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | connection.write(&sign([0x65, 0x91, 0x9, 0x44, 0x00, 0x12, 0x8f, 0xff])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | connection.read(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> solution/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | connection.read(&mut str); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.53s [INFO] running `Command { std: "docker" "inspect" "2b959bd1b720e892e68602ba70c02a2d67c4e63ee9bbda1efba54e4d0c9fe8aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b959bd1b720e892e68602ba70c02a2d67c4e63ee9bbda1efba54e4d0c9fe8aa", kill_on_drop: false }` [INFO] [stdout] 2b959bd1b720e892e68602ba70c02a2d67c4e63ee9bbda1efba54e4d0c9fe8aa