[INFO] fetching crate riptables 0.1.0...
[INFO] checking riptables-0.1.0 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] extracting crate riptables 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate riptables 0.1.0
[INFO] finished tweaking crates.io crate riptables 0.1.0
[INFO] tweaked toml for crates.io crate riptables 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate riptables 0.1.0 on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.7.0 (available: v0.31.3)
[INFO] [stderr]       Adding text-reader v0.1.1 (available: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text-reader v0.1.1
[INFO] [stderr]   Downloaded rstring-builder v0.1.4
[INFO] [stderr]   Downloaded nix v0.7.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52a9d38808dbc6c69ebe6ed508148901d4639b6b2a5a6308639a97dd9b1b2111
[INFO] running `Command { std: "docker" "start" "-a" "52a9d38808dbc6c69ebe6ed508148901d4639b6b2a5a6308639a97dd9b1b2111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a9d38808dbc6c69ebe6ed508148901d4639b6b2a5a6308639a97dd9b1b2111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a9d38808dbc6c69ebe6ed508148901d4639b6b2a5a6308639a97dd9b1b2111", kill_on_drop: false }`
[INFO] [stdout] 52a9d38808dbc6c69ebe6ed508148901d4639b6b2a5a6308639a97dd9b1b2111
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a28865d24a848cdf8ffd13b9dc43491b9f61dcdbbb238cea3e7afd513cff44
[INFO] running `Command { std: "docker" "start" "-a" "38a28865d24a848cdf8ffd13b9dc43491b9f61dcdbbb238cea3e7afd513cff44", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking text-reader v0.1.1
[INFO] [stderr]     Checking rstring-builder v0.1.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]     Checking riptables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |   fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:110:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |   fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:43:30
[INFO] [stdout]    |
[INFO] [stdout] 43 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 |   fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |       RIPTError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |       RIPTError::Nix(ref err) => err.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |       RIPTError::Parse(ref err) => err.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:43
[INFO] [stdout]    |
[INFO] [stdout] 37 |       RIPTError::Analysis(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:105:56
[INFO] [stdout]     |
[INFO] [stdout] 105 |       RIPTAnalysisError::FromUtf8Error(ref err) => err.description(),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/error.rs:110:30
[INFO] [stdout]     |
[INFO] [stdout] 110 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |   fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |       RIPTError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |       RIPTError::Nix(ref err) => err.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:36:40
[INFO] [stdout]    |
[INFO] [stdout] 36 |       RIPTError::Parse(ref err) => err.description(),
[INFO] [stdout]    |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:37:43
[INFO] [stdout]    |
[INFO] [stdout] 37 |       RIPTError::Analysis(ref err) => err.description(),
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:105:56
[INFO] [stdout]     |
[INFO] [stdout] 105 |       RIPTAnalysisError::FromUtf8Error(ref err) => err.description(),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m` is never read
[INFO] [stdout]   --> src/rule.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Extension {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 18 |   m: &'static str,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Extension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `m` is never read
[INFO] [stdout]   --> src/rule.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Extension {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 18 |   m: &'static str,
[INFO] [stdout]    |   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Extension` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.4.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "38a28865d24a848cdf8ffd13b9dc43491b9f61dcdbbb238cea3e7afd513cff44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a28865d24a848cdf8ffd13b9dc43491b9f61dcdbbb238cea3e7afd513cff44", kill_on_drop: false }`
[INFO] [stdout] 38a28865d24a848cdf8ffd13b9dc43491b9f61dcdbbb238cea3e7afd513cff44
