[INFO] fetching crate twiggy-ir 0.8.0...
[INFO] testing twiggy-ir-0.8.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate twiggy-ir 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate twiggy-ir 0.8.0
[INFO] finished tweaking crates.io crate twiggy-ir 0.8.0
[INFO] tweaked toml for crates.io crate twiggy-ir 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twiggy-ir 0.8.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twiggy-ir 0.8.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5
[INFO] running `Command { std: "docker" "start" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling frozen v1.0.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling twiggy-ir v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> ir.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::u32;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> ir.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> ir.rs:82:89
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stdout]    |                                                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:412:32
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert!(section < u32::MAX as usize);
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:413:33
[INFO] [stdout]     |
[INFO] [stdout] 413 |         Id(section as u32, u32::MAX)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:418:32
[INFO] [stdout]     |
[INFO] [stdout] 418 |         assert!(section < u32::MAX as usize);
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:419:30
[INFO] [stdout]     |
[INFO] [stdout] 419 |         assert!(index < u32::MAX as usize);
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:425:17
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:425:27
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> ir.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct Items {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 148 |     roots: Frozen<BTreeSet<Id>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Items` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors {
[INFO] [stdout]     |                      ^^^^^             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors {
[INFO] [stdout]     |                         ^^^^^             ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]   --> Cargo.toml:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | [dependencies.serde]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: unused dependency `serde_derive`
[INFO] [stderr]   --> Cargo.toml:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | [dependencies.serde_derive]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `serde_derive`
[INFO] [stderr] warning: `twiggy-ir` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.51s
[INFO] running `Command { std: "docker" "inspect" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> ir.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::u32;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> ir.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> ir.rs:82:89
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stdout]    |                                                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:412:32
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert!(section < u32::MAX as usize);
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:413:33
[INFO] [stdout]     |
[INFO] [stdout] 413 |         Id(section as u32, u32::MAX)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:418:32
[INFO] [stdout]     |
[INFO] [stdout] 418 |         assert!(section < u32::MAX as usize);
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:419:30
[INFO] [stdout]     |
[INFO] [stdout] 419 |         assert!(index < u32::MAX as usize);
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:425:17
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:425:27
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> ir.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct Items {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 148 |     roots: Frozen<BTreeSet<Id>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Items` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors {
[INFO] [stdout]     |                      ^^^^^             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors {
[INFO] [stdout]     |                         ^^^^^             ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling twiggy-ir v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stdout]   --> ir.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::u32;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> ir.rs:82:52
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stdout]    |                                                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]   --> ir.rs:82:89
[INFO] [stdout]    |
[INFO] [stdout] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stdout]    |                                                                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:412:32
[INFO] [stdout]     |
[INFO] [stdout] 412 |         assert!(section < u32::MAX as usize);
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:413:33
[INFO] [stdout]     |
[INFO] [stdout] 413 |         Id(section as u32, u32::MAX)
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:418:32
[INFO] [stdout]     |
[INFO] [stdout] 418 |         assert!(section < u32::MAX as usize);
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:419:30
[INFO] [stdout]     |
[INFO] [stdout] 419 |         assert!(index < u32::MAX as usize);
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:425:17
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stdout]    --> ir.rs:425:27
[INFO] [stdout]     |
[INFO] [stdout] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `roots` is never read
[INFO] [stdout]    --> ir.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub struct Items {
[INFO] [stdout]     |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 148 |     roots: Frozen<BTreeSet<Id>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Items` 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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> Iter {
[INFO] [stdout]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stdout]     |                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:169:22
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors {
[INFO] [stdout]     |                      ^^^^^             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ir.rs:179:25
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors {
[INFO] [stdout]     |                         ^^^^^             ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors<'_> {
[INFO] [stdout]     |                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]   --> Cargo.toml:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | [dependencies.serde]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: unused dependency `serde_derive`
[INFO] [stderr]   --> Cargo.toml:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | [dependencies.serde_derive]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `serde_derive`
[INFO] [stderr] warning: `twiggy-ir` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated module `std::u32`: all constants in this module replaced by associated constants on the type
[INFO] [stderr]   --> ir.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::u32;
[INFO] [stderr]    |          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> ir.rs:82:52
[INFO] [stderr]    |
[INFO] [stderr] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stderr]    |                                                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]   --> ir.rs:82:89
[INFO] [stderr]    |
[INFO] [stderr] 82 |         if offset >= 0 && offset <= i64::from(u32::MAX) && offset as usize + len < u32::MAX as usize
[INFO] [stderr]    |                                                                                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> ir.rs:412:32
[INFO] [stderr]     |
[INFO] [stderr] 412 |         assert!(section < u32::MAX as usize);
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> ir.rs:413:33
[INFO] [stderr]     |
[INFO] [stderr] 413 |         Id(section as u32, u32::MAX)
[INFO] [stderr]     |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> ir.rs:418:32
[INFO] [stderr]     |
[INFO] [stderr] 418 |         assert!(section < u32::MAX as usize);
[INFO] [stderr]     |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> ir.rs:419:30
[INFO] [stderr]     |
[INFO] [stderr] 419 |         assert!(index < u32::MAX as usize);
[INFO] [stderr]     |                              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> ir.rs:425:17
[INFO] [stderr]     |
[INFO] [stderr] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::u32::MAX`: replaced by the `MAX` associated constant on this type
[INFO] [stderr]    --> ir.rs:425:27
[INFO] [stderr]     |
[INFO] [stderr] 425 |         Id(u32::MAX, u32::MAX)
[INFO] [stderr]     |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `roots` is never read
[INFO] [stderr]    --> ir.rs:148:5
[INFO] [stderr]     |
[INFO] [stderr] 140 | pub struct Items {
[INFO] [stderr]     |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 148 |     roots: Frozen<BTreeSet<Id>>,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Items` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> ir.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn iter(&self) -> Iter {
[INFO] [stderr]     |                 ^^^^^     ^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub fn iter(&self) -> Iter<'_> {
[INFO] [stderr]     |                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> ir.rs:169:22
[INFO] [stderr]     |
[INFO] [stderr] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors {
[INFO] [stderr]     |                      ^^^^^             ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 169 |     pub fn neighbors(&self, id: Id) -> Neighbors<'_> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> ir.rs:179:25
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors {
[INFO] [stderr]     |                         ^^^^^             ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 179 |     pub fn predecessors(&self, id: Id) -> Predecessors<'_> {
[INFO] [stderr]     |                                                       ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `twiggy-ir` (lib) generated 13 warnings (run `cargo fix --lib -p twiggy-ir` to apply 3 suggestions)
[INFO] [stderr] warning: `twiggy-ir` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr] warning: unused dependency `serde`
[INFO] [stderr]   --> Cargo.toml:14:15
[INFO] [stderr]    |
[INFO] [stderr] 14 | [dependencies.serde]
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `serde`
[INFO] [stderr] warning: unused dependency `serde_derive`
[INFO] [stderr]   --> Cargo.toml:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 | [dependencies.serde_derive]
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: consider removing the dependency on `serde_derive`
[INFO] [stderr] warning: `twiggy-ir` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests ir.rs (/opt/rustwide/target/debug/build/twiggy-ir/8777601ca440ee4c/out/twiggy_ir-8777601ca440ee4c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests twiggy_ir
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5", kill_on_drop: false }`
[INFO] [stdout] 6838fc041c0f99580107bdf2e5e2d1efd21082e698eac9d217bc6370a0b8f6d5
