[INFO] fetching crate cat-dev 0.0.1...
[INFO] checking cat-dev-0.0.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cat-dev 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cat-dev 0.0.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cat-dev 0.0.1
[INFO] finished tweaking crates.io crate cat-dev 0.0.1
[INFO] tweaked toml for crates.io crate cat-dev 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded network-interface v1.1.1
[INFO] [stderr]   Downloaded supports-color v2.1.0
[INFO] [stderr]   Downloaded supports-unicode v2.1.0
[INFO] [stderr]   Downloaded valuable-derive v0.1.0
[INFO] [stderr]   Downloaded is_ci v1.2.0
[INFO] [stderr]   Downloaded backtrace-ext v0.2.1
[INFO] [stderr]   Downloaded supports-hyperlinks v2.1.0
[INFO] [stderr]   Downloaded mac_address v1.1.5
[INFO] [stderr]   Downloaded textwrap v0.15.2
[INFO] [stderr]   Downloaded configparser v3.0.4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06b8a2b100408b1e98dcd66e413faa05ee9828ad88238addfcf2891aceaa5579
[INFO] running `Command { std: "docker" "start" "-a" "06b8a2b100408b1e98dcd66e413faa05ee9828ad88238addfcf2891aceaa5579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b8a2b100408b1e98dcd66e413faa05ee9828ad88238addfcf2891aceaa5579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b8a2b100408b1e98dcd66e413faa05ee9828ad88238addfcf2891aceaa5579", kill_on_drop: false }`
[INFO] [stdout] 06b8a2b100408b1e98dcd66e413faa05ee9828ad88238addfcf2891aceaa5579
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38e0359b8b850049c06f0dfff9fcf419d0bebfb0ac14547bae4159474cd4d745
[INFO] running `Command { std: "docker" "start" "-a" "38e0359b8b850049c06f0dfff9fcf419d0bebfb0ac14547bae4159474cd4d745", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling valuable v0.1.0
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]    Compiling network-interface v1.1.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking configparser v3.0.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking supports-unicode v2.1.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling valuable-derive v0.1.0
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking mac_address v1.1.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking cat-dev v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet` in the current scope
[INFO] [stdout]    --> src/mion/discovery.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | /         tasks
[INFO] [stdout] 191 | |             .build_task()
[INFO] [stdout]     | |             -^^^^^^^^^^ method not found in `JoinSet<_>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<T>`
[INFO] [stdout]    --> src/mion/discovery.rs:205:6
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut listening_sockets = Vec::with_capacity(tasks.len());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 231 |         if let Ok(our_addr) = sock.local_addr() {
[INFO] [stdout]     |                                    ---------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `listening_sockets` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut listening_sockets: Vec<T> = Vec::with_capacity(tasks.len());
[INFO] [stdout]     |                              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `build_task` found for struct `JoinSet` in the current scope
[INFO] [stdout]    --> src/mion/discovery.rs:191:5
[INFO] [stdout]     |
[INFO] [stdout] 190 | /         tasks
[INFO] [stdout] 191 | |             .build_task()
[INFO] [stdout]     | |             -^^^^^^^^^^ method not found in `JoinSet<_>`
[INFO] [stdout]     | |_____________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Vec<T>`
[INFO] [stdout]    --> src/mion/discovery.rs:205:6
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut listening_sockets = Vec::with_capacity(tasks.len());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 231 |         if let Ok(our_addr) = sock.local_addr() {
[INFO] [stdout]     |                                    ---------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `listening_sockets` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let mut listening_sockets: Vec<T> = Vec::with_capacity(tasks.len());
[INFO] [stdout]     |                              ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> src/mion/discovery.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 | use futures::stream::{unfold, StreamExt};
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cat-dev` (lib) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `StreamExt`
[INFO] [stdout]   --> src/mion/discovery.rs:35:31
[INFO] [stdout]    |
[INFO] [stdout] 35 | use futures::stream::{unfold, StreamExt};
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cat-dev` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "38e0359b8b850049c06f0dfff9fcf419d0bebfb0ac14547bae4159474cd4d745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e0359b8b850049c06f0dfff9fcf419d0bebfb0ac14547bae4159474cd4d745", kill_on_drop: false }`
[INFO] [stdout] 38e0359b8b850049c06f0dfff9fcf419d0bebfb0ac14547bae4159474cd4d745
