[INFO] fetching crate safe_bindgen 0.13.3...
[INFO] checking safe_bindgen-0.13.3 against 1.95.0 for pr-155915
[INFO] extracting crate safe_bindgen 0.13.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate safe_bindgen 0.13.3
[INFO] finished tweaking crates.io crate safe_bindgen 0.13.3
[INFO] tweaked toml for crates.io crate safe_bindgen 0.13.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe_bindgen 0.13.3 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 safe_bindgen 0.13.3 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 unwrap v1.2.1
[INFO] [stderr]   Downloaded syntex_errors v0.59.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] eaad19e3a4a24efbbbedaef33887712490a5cc40e6af6efd4bed07ffd29039e5
[INFO] running `Command { std: "docker" "start" "-a" "eaad19e3a4a24efbbbedaef33887712490a5cc40e6af6efd4bed07ffd29039e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaad19e3a4a24efbbbedaef33887712490a5cc40e6af6efd4bed07ffd29039e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaad19e3a4a24efbbbedaef33887712490a5cc40e6af6efd4bed07ffd29039e5", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7c502513cf1af61d1fe327bf01e547b2158149e8ee35c3992f70e935dab3ab0f
[INFO] running `Command { std: "docker" "start" "-a" "7c502513cf1af61d1fe327bf01e547b2158149e8ee35c3992f70e935dab3ab0f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling version_check v0.9.2
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling error-chain v0.12.4
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[INFO] [stderr]     Checking thread_local v1.0.1
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[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking strings v0.1.1
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[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking diff v0.1.12
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[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking colored v1.6.1
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[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking toml v0.4.10
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[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr]     Checking syntex_syntax v0.59.1
[INFO] [stderr]     Checking safe_bindgen v0.13.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/errors.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout] 40 +     fn fmt(&self, formatter: &mut fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/errors.rs:40:59
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout] 40 +     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/java/jni.rs:455:38
[INFO] [stdout]     |
[INFO] [stdout] 455 |             ret: JavaType::Primitive(signature::Primitive::Void),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 455 -             ret: JavaType::Primitive(signature::Primitive::Void),
[INFO] [stdout] 455 +             ret: JavaType::Primitive(Primitive::Void),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let mut f = fs::File::create(full_path)?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 273 -             let mut f = fs::File::create(full_path)?;
[INFO] [stdout] 273 +             let mut f = File::create(full_path)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |     let cargo_toml = path::Path::new(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 331 -     let cargo_toml = path::Path::new(
[INFO] [stdout] 331 +     let cargo_toml = Path::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let mut cargo_toml = match std::fs::File::open(&cargo_toml) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 338 -     let mut cargo_toml = match std::fs::File::open(&cargo_toml) {
[INFO] [stdout] 338 +     let mut cargo_toml = match File::open(&cargo_toml) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/errors.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout] 40 +     fn fmt(&self, formatter: &mut fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/errors.rs:40:59
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 40 -     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
[INFO] [stdout] 40 +     fn fmt(&self, formatter: &mut std::fmt::Formatter) -> fmt::Result {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/java/jni.rs:455:38
[INFO] [stdout]     |
[INFO] [stdout] 455 |             ret: JavaType::Primitive(signature::Primitive::Void),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 455 -             ret: JavaType::Primitive(signature::Primitive::Void),
[INFO] [stdout] 455 +             ret: JavaType::Primitive(Primitive::Void),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:273:25
[INFO] [stdout]     |
[INFO] [stdout] 273 |             let mut f = fs::File::create(full_path)?;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 273 -             let mut f = fs::File::create(full_path)?;
[INFO] [stdout] 273 +             let mut f = File::create(full_path)?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |     let cargo_toml = path::Path::new(
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 331 -     let cargo_toml = path::Path::new(
[INFO] [stdout] 331 +     let cargo_toml = Path::new(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/lib.rs:338:32
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let mut cargo_toml = match std::fs::File::open(&cargo_toml) {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 338 -     let mut cargo_toml = match std::fs::File::open(&cargo_toml) {
[INFO] [stdout] 338 +     let mut cargo_toml = match File::open(&cargo_toml) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/csharp/intermediate.rs:581:21
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 let mut last = unwrap!(output.last_mut());
[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/csharp/intermediate.rs:581:21
[INFO] [stdout]     |
[INFO] [stdout] 581 |                 let mut last = unwrap!(output.last_mut());
[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: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/csharp/mod.rs:724:5
[INFO] [stdout]     |
[INFO] [stdout] 724 |     mem::replace(new_ty, orig_new_ty);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 724 |     let _ = mem::replace(new_ty, orig_new_ty);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> src/csharp/mod.rs:724:5
[INFO] [stdout]     |
[INFO] [stdout] 724 |     mem::replace(new_ty, orig_new_ty);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 724 |     let _ = mem::replace(new_ty, orig_new_ty);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 53.03s
[INFO] running `Command { std: "docker" "inspect" "7c502513cf1af61d1fe327bf01e547b2158149e8ee35c3992f70e935dab3ab0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c502513cf1af61d1fe327bf01e547b2158149e8ee35c3992f70e935dab3ab0f", kill_on_drop: false }`
[INFO] [stdout] 7c502513cf1af61d1fe327bf01e547b2158149e8ee35c3992f70e935dab3ab0f
