[INFO] cloning repository https://github.com/molyee/common
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/molyee/common" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1626713f538c47f7b03e27d924190879eb8e39e4
[INFO] testing molyee/common against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/molyee/common on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/.cargo/config
[INFO] started tweaking git repo https://github.com/molyee/common
[INFO] finished tweaking git repo https://github.com/molyee/common
[INFO] tweaked toml for git repo https://github.com/molyee/common written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/molyee/common already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-14/source/uuid/Cargo.toml: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57025d3a32ac5f1cf993fb6e489aa4ff1d95fbe4d38bd91ab2907a6e50c32e73
[INFO] running `Command { std: "docker" "start" "-a" "57025d3a32ac5f1cf993fb6e489aa4ff1d95fbe4d38bd91ab2907a6e50c32e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57025d3a32ac5f1cf993fb6e489aa4ff1d95fbe4d38bd91ab2907a6e50c32e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57025d3a32ac5f1cf993fb6e489aa4ff1d95fbe4d38bd91ab2907a6e50c32e73", kill_on_drop: false }`
[INFO] [stdout] 57025d3a32ac5f1cf993fb6e489aa4ff1d95fbe4d38bd91ab2907a6e50c32e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d1dcda995a5f803083c9d60b3777b3b531d34b03cb960fb57ac0947a2cd7ef
[INFO] running `Command { std: "docker" "start" "-a" "b4d1dcda995a5f803083c9d60b3777b3b531d34b03cb960fb57ac0947a2cd7ef", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/uuid/Cargo.toml: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling pointer v0.1.0 (/opt/rustwide/workdir/pointer)
[INFO] [stderr]    Compiling convert v0.1.0 (/opt/rustwide/workdir/convert)
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir/merge)
[INFO] [stderr]    Compiling builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir/timer)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> builder/src/lib.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FnBuilder<T>(Box<Fn() -> T>);
[INFO] [stdout]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling patricia_tree v0.1.8
[INFO] [stderr]    Compiling rand v0.1.0 (/opt/rustwide/workdir/rand)
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stderr]    Compiling uuid v0.1.0 (/opt/rustwide/workdir/uuid)
[INFO] [stdout] warning: unused imports: `Bytes`, `Cursor`, `SeekFrom`
[INFO] [stdout]  --> tree/src/radix/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Bytes, Cursor, SeekFrom};
[INFO] [stdout]   |               ^^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `size_of_val`, `transmute`
[INFO] [stdout]  --> tree/src/radix/node.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{size_of, size_of_val, transmute, forget};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> tree/src/radix/map.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     root: Node<T>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]  --> tree/src/radix/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     len: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_LABEL_LEN`
[INFO] [stdout]   --> tree/src/radix/node.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const MAX_LABEL_LEN: usize = 2 ^ FLAGS_SHIFT - 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LABEL_LEN_MASK`
[INFO] [stdout]   --> tree/src/radix/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const LABEL_LEN_MASK: u8 = MAX_LABEL_LEN as u8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> tree/src/radix/node.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> tree/src/radix/node.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn root() -> Self {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> tree/src/radix/node.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub(crate) fn open(&self) -> Reader<T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]    --> tree/src/radix/node.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     node: &'a Node<T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling merge_derive v0.1.0 (/opt/rustwide/workdir/merge_derive)
[INFO] [stdout] warning: unused import: `DeriveInput`
[INFO] [stdout]  --> merge_derive/src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{Data, DeriveInput, Fields, GenericParam, Generics, Index};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.61s
[INFO] running `Command { std: "docker" "inspect" "b4d1dcda995a5f803083c9d60b3777b3b531d34b03cb960fb57ac0947a2cd7ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d1dcda995a5f803083c9d60b3777b3b531d34b03cb960fb57ac0947a2cd7ef", kill_on_drop: false }`
[INFO] [stdout] b4d1dcda995a5f803083c9d60b3777b3b531d34b03cb960fb57ac0947a2cd7ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f36051fcec2f04202cc2a8834bab5cd2a3471b2dcf20917f487846dd34ce4c4
[INFO] running `Command { std: "docker" "start" "-a" "9f36051fcec2f04202cc2a8834bab5cd2a3471b2dcf20917f487846dd34ce4c4", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/uuid/Cargo.toml: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir/merge)
[INFO] [stderr]    Compiling convert v0.1.0 (/opt/rustwide/workdir/convert)
[INFO] [stderr]    Compiling pointer v0.1.0 (/opt/rustwide/workdir/pointer)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> builder/src/lib.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FnBuilder<T>(Box<Fn() -> T>);
[INFO] [stdout]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling timer v0.1.0 (/opt/rustwide/workdir/timer)
[INFO] [stderr]    Compiling builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]    Compiling pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.1.0 (/opt/rustwide/workdir/rand)
[INFO] [stderr]    Compiling tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stderr]    Compiling merge_derive v0.1.0 (/opt/rustwide/workdir/merge_derive)
[INFO] [stdout] warning: unused imports: `Bytes`, `Cursor`, `SeekFrom`
[INFO] [stdout]  --> tree/src/radix/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Bytes, Cursor, SeekFrom};
[INFO] [stdout]   |               ^^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling uuid v0.1.0 (/opt/rustwide/workdir/uuid)
[INFO] [stdout] warning: unused imports: `size_of_val`, `transmute`
[INFO] [stdout]  --> tree/src/radix/node.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{size_of, size_of_val, transmute, forget};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> tree/src/radix/map.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     root: Node<T>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]  --> tree/src/radix/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     len: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_LABEL_LEN`
[INFO] [stdout]   --> tree/src/radix/node.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const MAX_LABEL_LEN: usize = 2 ^ FLAGS_SHIFT - 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LABEL_LEN_MASK`
[INFO] [stdout]   --> tree/src/radix/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const LABEL_LEN_MASK: u8 = MAX_LABEL_LEN as u8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> tree/src/radix/node.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> tree/src/radix/node.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn root() -> Self {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> tree/src/radix/node.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub(crate) fn open(&self) -> Reader<T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]    --> tree/src/radix/node.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     node: &'a Node<T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeriveInput`
[INFO] [stdout]  --> merge_derive/src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{Data, DeriveInput, Fields, GenericParam, Generics, Index};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> builder/src/lib.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct FnBuilder<T>(Box<Fn() -> T>);
[INFO] [stdout]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DeriveInput`
[INFO] [stdout]  --> merge_derive/src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use syn::{Data, DeriveInput, Fields, GenericParam, Generics, Index};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Bytes`, `Cursor`, `SeekFrom`
[INFO] [stdout]  --> tree/src/radix/node.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Bytes, Cursor, SeekFrom};
[INFO] [stdout]   |               ^^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `size_of_val`, `transmute`
[INFO] [stdout]  --> tree/src/radix/node.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::mem::{size_of, size_of_val, transmute, forget};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root`
[INFO] [stdout]  --> tree/src/radix/map.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     root: Node<T>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `len`
[INFO] [stdout]  --> tree/src/radix/map.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     len: usize,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_LABEL_LEN`
[INFO] [stdout]   --> tree/src/radix/node.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const MAX_LABEL_LEN: usize = 2 ^ FLAGS_SHIFT - 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LABEL_LEN_MASK`
[INFO] [stdout]   --> tree/src/radix/node.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const LABEL_LEN_MASK: u8 = MAX_LABEL_LEN as u8;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> tree/src/radix/node.rs:50:19
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) fn new(
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `root`
[INFO] [stdout]   --> tree/src/radix/node.rs:80:19
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub(crate) fn root() -> Self {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `open`
[INFO] [stdout]   --> tree/src/radix/node.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub(crate) fn open(&self) -> Reader<T> {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node`
[INFO] [stdout]    --> tree/src/radix/node.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     node: &'a Node<T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> pool/src/lib.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         &self.pool.release(entry);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "9f36051fcec2f04202cc2a8834bab5cd2a3471b2dcf20917f487846dd34ce4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f36051fcec2f04202cc2a8834bab5cd2a3471b2dcf20917f487846dd34ce4c4", kill_on_drop: false }`
[INFO] [stdout] 9f36051fcec2f04202cc2a8834bab5cd2a3471b2dcf20917f487846dd34ce4c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71d9ab94e621d37c03cf3d6442703e50e061af864a6221d8993ed16fe9fc029f
[INFO] running `Command { std: "docker" "start" "-a" "71d9ab94e621d37c03cf3d6442703e50e061af864a6221d8993ed16fe9fc029f", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/uuid/Cargo.toml: Found `feature = ...` in `target.'cfg(...)'.dependencies`. This key is not supported for selecting dependencies and will not work as expected. Use the [features] section instead: https://doc.rust-lang.org/cargo/reference/features.html
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> builder/src/lib.rs:13:29
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 13 | pub struct FnBuilder<T>(Box<Fn() -> T>);
[INFO] [stdout] 
[INFO] [stderr]    |                             ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `builder` (lib) generated 1 warning
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `builder` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    --> pool/src/lib.rs:113:9
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr] 113 |         &self.pool.release(entry);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pool` (lib) generated 1 warning
[INFO] [stderr] warning: `pool` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: unused imports: `Bytes`, `Cursor`, `SeekFrom`
[INFO] [stderr]  --> tree/src/radix/node.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::{Bytes, Cursor, SeekFrom};
[INFO] [stderr]   |               ^^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `size_of_val`, `transmute`
[INFO] [stderr]  --> tree/src/radix/node.rs:4:25
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::mem::{size_of, size_of_val, transmute, forget};
[INFO] [stderr]   |                         ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root`
[INFO] [stderr]  --> tree/src/radix/map.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     root: Node<T>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]  --> tree/src/radix/map.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     len: usize,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `MAX_LABEL_LEN`
[INFO] [stderr]   --> tree/src/radix/node.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const MAX_LABEL_LEN: usize = 2 ^ FLAGS_SHIFT - 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `LABEL_LEN_MASK`
[INFO] [stderr]   --> tree/src/radix/node.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const LABEL_LEN_MASK: u8 = MAX_LABEL_LEN as u8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> tree/src/radix/node.rs:50:19
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub(crate) fn new(
[INFO] [stderr]    |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `root`
[INFO] [stderr]   --> tree/src/radix/node.rs:80:19
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub(crate) fn root() -> Self {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `open`
[INFO] [stderr]   --> tree/src/radix/node.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub(crate) fn open(&self) -> Reader<T> {
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `node`
[INFO] [stderr]    --> tree/src/radix/node.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     node: &'a Node<T>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tree` (lib) generated 10 warnings
[INFO] [stderr] warning: `tree` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused import: `DeriveInput`
[INFO] [stderr]  --> merge_derive/src/lib.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use syn::{Data, DeriveInput, Fields, GenericParam, Generics, Index};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `merge_derive` (lib) generated 1 warning
[INFO] [stderr] warning: `merge_derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/builder-7b2b6e9efda42a57)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/convert-9d4787f911622385)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merge-814c8d118c7e5431)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/merge_derive-2f2cdbb514276fdb)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pointer-24355ed9add71809)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pool-7ca256485d6862ee)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rand-a8b435cb306bb597)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared-5cf0b3337e954c11)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/timer-264653690dbd9d0a)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tree-06f4898c335dc75d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/uuid-01ab4f22f8fc00e6)
[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] [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] [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] [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] [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] [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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test v1::tests::check_bytes_ordering ... ok
[INFO] [stdout] test v1::tests::check_struct_size ... ok
[INFO] [stdout] test v1::tests::check_variant ... ok
[INFO] [stdout] test v4::tests::check_bytes_ordering ... ok
[INFO] [stdout] test v1::tests::check_version ... ok
[INFO] [stdout] test v4::tests::check_variant ... ok
[INFO] [stdout] test v4::tests::check_struct_size ... ok
[INFO] [stdout] test v1::tests::check_node_id ... ok
[INFO] [stdout] test v1::tests::check_times ... ok
[INFO] [stdout] test v4::tests::check_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests builder
[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 convert
[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 merge
[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 merge_derive
[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 pointer
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pool
[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] [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 rand
[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 shared
[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 timer
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tree
[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] [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 uuid
[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" "71d9ab94e621d37c03cf3d6442703e50e061af864a6221d8993ed16fe9fc029f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d9ab94e621d37c03cf3d6442703e50e061af864a6221d8993ed16fe9fc029f", kill_on_drop: false }`
[INFO] [stdout] 71d9ab94e621d37c03cf3d6442703e50e061af864a6221d8993ed16fe9fc029f