[INFO] cloning repository https://github.com/takakawa/tcpdump-helper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takakawa/tcpdump-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakakawa%2Ftcpdump-helper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakakawa%2Ftcpdump-helper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ee962a6c9edb56a4507ec4de1be2b40682f32c87 [INFO] checking takakawa/tcpdump-helper against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakakawa%2Ftcpdump-helper" "/workspace/builds/worker-30/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/takakawa/tcpdump-helper on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/takakawa/tcpdump-helper [INFO] finished tweaking git repo https://github.com/takakawa/tcpdump-helper [INFO] tweaked toml for git repo https://github.com/takakawa/tcpdump-helper written to /workspace/builds/worker-30/source/Cargo.toml [INFO] crate git repo https://github.com/takakawa/tcpdump-helper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] [stderr] Downloaded clap v2.31.2 [INFO] [stderr] Downloaded atty v0.2.10 [INFO] [stderr] Downloaded libc v0.2.42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2823eddc15f4e97c489147543fe7ce90e3d75abefdcb61e897607c1e50d67854 [INFO] running `Command { std: "docker" "start" "-a" "2823eddc15f4e97c489147543fe7ce90e3d75abefdcb61e897607c1e50d67854", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2823eddc15f4e97c489147543fe7ce90e3d75abefdcb61e897607c1e50d67854", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2823eddc15f4e97c489147543fe7ce90e3d75abefdcb61e897607c1e50d67854", kill_on_drop: false }` [INFO] [stdout] 2823eddc15f4e97c489147543fe7ce90e3d75abefdcb61e897607c1e50d67854 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eaf63bc9d9096ea4648e7b9c2c3bcbd8043883ac760875a6d6677384e93c390a [INFO] running `Command { std: "docker" "start" "-a" "eaf63bc9d9096ea4648e7b9c2c3bcbd8043883ac760875a6d6677384e93c390a", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking tcpdump-helper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:48:2 [INFO] [stdout] | [INFO] [stdout] 48 | write!(tcpdump_command,"-i {} ",dev); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:3 [INFO] [stdout] | [INFO] [stdout] 51 | write!(tcpdump_command,"-Ann "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:2 [INFO] [stdout] | [INFO] [stdout] 55 | write!(tcpdump_command,"\' port {} and ",port); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:3 [INFO] [stdout] | [INFO] [stdout] 76 | write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:2 [INFO] [stdout] | [INFO] [stdout] 88 | write!(tcpdump_command,"\'"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:48:2 [INFO] [stdout] | [INFO] [stdout] 48 | write!(tcpdump_command,"-i {} ",dev); [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] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:3 [INFO] [stdout] | [INFO] [stdout] 51 | write!(tcpdump_command,"-Ann "); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:2 [INFO] [stdout] | [INFO] [stdout] 55 | write!(tcpdump_command,"\' port {} and ",port); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:76:3 [INFO] [stdout] | [INFO] [stdout] 76 | write!(&mut tcpdump_command, " and tcp[((tcp[12:1] & 0xf0) >> 2)+{}:4]=0x",url_offset); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:2 [INFO] [stdout] | [INFO] [stdout] 88 | write!(tcpdump_command,"\'"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `Command { std: "docker" "inspect" "eaf63bc9d9096ea4648e7b9c2c3bcbd8043883ac760875a6d6677384e93c390a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaf63bc9d9096ea4648e7b9c2c3bcbd8043883ac760875a6d6677384e93c390a", kill_on_drop: false }` [INFO] [stdout] eaf63bc9d9096ea4648e7b9c2c3bcbd8043883ac760875a6d6677384e93c390a