[INFO] cloning repository https://github.com/zafirr31/CTF-pwn-swarmer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zafirr31/CTF-pwn-swarmer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzafirr31%2FCTF-pwn-swarmer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzafirr31%2FCTF-pwn-swarmer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb5a299facb2abd564567e85d4fd5c3da0c9df75
[INFO] checking zafirr31/CTF-pwn-swarmer against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzafirr31%2FCTF-pwn-swarmer" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zafirr31/CTF-pwn-swarmer
[INFO] finished tweaking git repo https://github.com/zafirr31/CTF-pwn-swarmer
[INFO] tweaked toml for git repo https://github.com/zafirr31/CTF-pwn-swarmer written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zafirr31/CTF-pwn-swarmer on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zafirr31/CTF-pwn-swarmer 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" "+54cf65b8d066c082e536455049b95943cf30378f" "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 derive_setters v0.1.6
[INFO] [stderr]   Downloaded syn v2.0.63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8176c47e23dc9f86f8f2eb2b92f114fbca423bd3de89fea10de37c8d10c62aa
[INFO] running `Command { std: "docker" "start" "-a" "b8176c47e23dc9f86f8f2eb2b92f114fbca423bd3de89fea10de37c8d10c62aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8176c47e23dc9f86f8f2eb2b92f114fbca423bd3de89fea10de37c8d10c62aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8176c47e23dc9f86f8f2eb2b92f114fbca423bd3de89fea10de37c8d10c62aa", kill_on_drop: false }`
[INFO] [stdout] b8176c47e23dc9f86f8f2eb2b92f114fbca423bd3de89fea10de37c8d10c62aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d32b44b1a61892c312003d047aac2736bf6112f3387ebc893ae746b8fd088fb
[INFO] running `Command { std: "docker" "start" "-a" "7d32b44b1a61892c312003d047aac2736bf6112f3387ebc893ae746b8fd088fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]    Compiling darling_core v0.20.9
[INFO] [stderr]    Compiling tokio-macros v2.3.0
[INFO] [stderr]     Checking tokio v1.38.0
[INFO] [stderr]    Compiling darling_macro v0.20.9
[INFO] [stderr]    Compiling darling v0.20.9
[INFO] [stderr]    Compiling derive_setters v0.1.6
[INFO] [stderr]     Checking ctf_pwn_swarmer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `active_tasks_count` found for struct `RuntimeMetrics` in the current scope
[INFO] [stdout]   --> src/main.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let active_tasks = metrics.active_tasks_count() / 2; // We spawn 2 tokio tasks for each
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^ method not found in `RuntimeMetrics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `active_tasks_count` found for struct `RuntimeMetrics` in the current scope
[INFO] [stdout]   --> src/main.rs:26:36
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let active_tasks = metrics.active_tasks_count() / 2; // We spawn 2 tokio tasks for each
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^ method not found in `RuntimeMetrics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ctf_pwn_swarmer` (bin "ctf_pwn_swarmer" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ctf_pwn_swarmer` (bin "ctf_pwn_swarmer") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "7d32b44b1a61892c312003d047aac2736bf6112f3387ebc893ae746b8fd088fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d32b44b1a61892c312003d047aac2736bf6112f3387ebc893ae746b8fd088fb", kill_on_drop: false }`
[INFO] [stdout] 7d32b44b1a61892c312003d047aac2736bf6112f3387ebc893ae746b8fd088fb