[INFO] fetching crate jar_conflict_detector 0.0.1...
[INFO] checking jar_conflict_detector-0.0.1 against 1.95.0 for pr-155915
[INFO] extracting crate jar_conflict_detector 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate jar_conflict_detector 0.0.1
[INFO] finished tweaking crates.io crate jar_conflict_detector 0.0.1
[INFO] tweaked toml for crates.io crate jar_conflict_detector 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jar_conflict_detector 0.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jar_conflict_detector 0.0.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.27
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d45c50647fd6330f9340fc5d0eca99fb36ab226b5c6795db66dd89be0f092e61
[INFO] running `Command { std: "docker" "start" "-a" "d45c50647fd6330f9340fc5d0eca99fb36ab226b5c6795db66dd89be0f092e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d45c50647fd6330f9340fc5d0eca99fb36ab226b5c6795db66dd89be0f092e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45c50647fd6330f9340fc5d0eca99fb36ab226b5c6795db66dd89be0f092e61", kill_on_drop: false }`
[INFO] [stdout] d45c50647fd6330f9340fc5d0eca99fb36ab226b5c6795db66dd89be0f092e61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c2f01635fd491467f9253c2d1f8b2994ec67a5fcb9a3b9b26e4c885bd09109
[INFO] running `Command { std: "docker" "start" "-a" "e9c2f01635fd491467f9253c2d1f8b2994ec67a5fcb9a3b9b26e4c885bd09109", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling pkg-config v0.3.27
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[INFO] [stderr]    Compiling rustix v0.37.19
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[INFO] [stderr]     Checking zstd v0.11.2+zstd.1.5.2
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[INFO] [stderr]     Checking jar_conflict_detector v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/jcd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/bin/jcd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeSet` and `HashSet`
[INFO] [stdout]  --> src/bin/jcd.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OsStr` and `OsString`
[INFO] [stdout]  --> src/bin/jcd.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/bin/jcd.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env` and `path`
[INFO] [stdout]   --> src/bin/jcd.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{env, path};
[INFO] [stdout]    |           ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::Str`
[INFO] [stdout]   --> src/bin/jcd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use clap::builder::Str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/jcd.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/bin/jcd.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeSet` and `HashSet`
[INFO] [stdout]  --> src/bin/jcd.rs:3:34
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OsStr` and `OsString`
[INFO] [stdout]  --> src/bin/jcd.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Error`
[INFO] [stdout]  --> src/bin/jcd.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env` and `path`
[INFO] [stdout]   --> src/bin/jcd.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::{env, path};
[INFO] [stdout]    |           ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `clap::builder::Str`
[INFO] [stdout]   --> src/bin/jcd.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use clap::builder::Str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/jcd.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut args = Args::parse();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/jcd.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut result: BTreeMap<Rc<String>, HashMap<u64, Vec<Rc<String>>>> = name_to_sources
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/jcd.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         .filter(|(k, v)| match args.check {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/jcd.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut args = Args::parse();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/jcd.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let mut result: BTreeMap<Rc<String>, HashMap<u64, Vec<Rc<String>>>> = name_to_sources
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/bin/jcd.rs:65:19
[INFO] [stdout]    |
[INFO] [stdout] 65 |         .filter(|(k, v)| match args.check {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/jcd.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut zip_entry = zip.by_index(i).unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/jcd.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let mut zip_entry = zip.by_index(i).unwrap();
[INFO] [stdout]    |             ----^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.72s
[INFO] running `Command { std: "docker" "inspect" "e9c2f01635fd491467f9253c2d1f8b2994ec67a5fcb9a3b9b26e4c885bd09109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c2f01635fd491467f9253c2d1f8b2994ec67a5fcb9a3b9b26e4c885bd09109", kill_on_drop: false }`
[INFO] [stdout] e9c2f01635fd491467f9253c2d1f8b2994ec67a5fcb9a3b9b26e4c885bd09109
