[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] checking molyee/common against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmolyee%2Fcommon" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/molyee/common on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/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-2/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-2/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]  Downloading crates ...
[INFO] [stderr]   Downloaded patricia_tree v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc1f8c8de60b2362d8ad08fbd254ce6279f62ae4b962ece82adcf1820be88e59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc1f8c8de60b2362d8ad08fbd254ce6279f62ae4b962ece82adcf1820be88e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc1f8c8de60b2362d8ad08fbd254ce6279f62ae4b962ece82adcf1820be88e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc1f8c8de60b2362d8ad08fbd254ce6279f62ae4b962ece82adcf1820be88e59", kill_on_drop: false }`
[INFO] [stdout] cc1f8c8de60b2362d8ad08fbd254ce6279f62ae4b962ece82adcf1820be88e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b3e8785a5bcc5647a8f89c5ca408f3854ee93c1f32e083ee562fa7a656a7318
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3b3e8785a5bcc5647a8f89c5ca408f3854ee93c1f32e083ee562fa7a656a7318", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking convert v0.1.0 (/opt/rustwide/workdir/convert)
[INFO] [stderr]     Checking pointer v0.1.0 (/opt/rustwide/workdir/pointer)
[INFO] [stderr]     Checking merge v0.1.0 (/opt/rustwide/workdir/merge)
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking builder v0.1.0 (/opt/rustwide/workdir/builder)
[INFO] [stderr]     Checking 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] 
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pool v0.1.0 (/opt/rustwide/workdir/pool)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.1.0 (/opt/rustwide/workdir/rand)
[INFO] [stderr]     Checking patricia_tree v0.1.8
[INFO] [stderr]     Checking uuid v0.1.0 (/opt/rustwide/workdir/uuid)
[INFO] [stderr]     Checking tree v0.1.0 (/opt/rustwide/workdir/tree)
[INFO] [stderr]     Checking quote v0.6.12
[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: 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: 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.44s
[INFO] running `Command { std: "docker" "inspect" "3b3e8785a5bcc5647a8f89c5ca408f3854ee93c1f32e083ee562fa7a656a7318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b3e8785a5bcc5647a8f89c5ca408f3854ee93c1f32e083ee562fa7a656a7318", kill_on_drop: false }`
[INFO] [stdout] 3b3e8785a5bcc5647a8f89c5ca408f3854ee93c1f32e083ee562fa7a656a7318