[INFO] fetching crate cargo-semverver 0.34.0...
[INFO] checking cargo-semverver-0.34.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate cargo-semverver 0.34.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate cargo-semverver 0.34.0
[INFO] finished tweaking crates.io crate cargo-semverver 0.34.0
[INFO] tweaked toml for crates.io crate cargo-semverver 0.34.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-semverver 0.34.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 191 packages to latest compatible versions
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5045dfd06385737855a1f9b556c5834dc831295f7ab10253ad08f440cc779efa
[INFO] running `Command { std: "docker" "start" "-a" "5045dfd06385737855a1f9b556c5834dc831295f7ab10253ad08f440cc779efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5045dfd06385737855a1f9b556c5834dc831295f7ab10253ad08f440cc779efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5045dfd06385737855a1f9b556c5834dc831295f7ab10253ad08f440cc779efa", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d71a152d2710a17bd1fd5a338aa5ebed578f8f3d859f9c74b77fbc70f55daf
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[INFO] [stdout] error: unused import: `Metadata`
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::compilation_files::{Metadata, OutputFile};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/cargo/lib.rs:1:24
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused doc comment
[INFO] [stdout]    --> src/cargo/core/features.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / /// A listing of all features in Cargo
[INFO] [stdout] 154 | | ///
[INFO] [stdout] 155 | | /// "look here"
[INFO] [stdout] 156 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | /// character is translated to `-` when specified in the `cargo-features`
[INFO] [stdout] 163 | | /// manifest entry in `Cargo.toml`.
[INFO] [stdout]     | |_----------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[deny(unused_doc_comments)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `EncodableDependency`, `EncodablePackageId`, and `EncodableResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use super::encode::{EncodableDependency, EncodablePackageId, EncodableResolve};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused imports: `Metadata` and `WorkspaceResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use super::encode::{Metadata, WorkspaceResolve};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `super::resolve::Resolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use super::resolve::Resolve;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cargo/core/workspace.rs:352:10
[INFO] [stdout]     |
[INFO] [stdout] 352 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(redundant_semicolons)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Metadata`
[INFO] [stdout]   --> src/cargo/core/compiler/context/mod.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::compilation_files::{Metadata, OutputFile};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/cargo/core/features.rs:153:1
[INFO] [stdout]     |
[INFO] [stdout] 153 | / /// A listing of all features in Cargo
[INFO] [stdout] 154 | | ///
[INFO] [stdout] 155 | | /// "look here"
[INFO] [stdout] 156 | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 162 | | /// character is translated to `-` when specified in the `cargo-features`
[INFO] [stdout] 163 | | /// manifest entry in `Cargo.toml`.
[INFO] [stdout]     | |_----------------------------------^
[INFO] [stdout]     |   |
[INFO] [stdout]     |   rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EncodableDependency`, `EncodablePackageId`, and `EncodableResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub use super::encode::{EncodableDependency, EncodablePackageId, EncodableResolve};
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Metadata` and `WorkspaceResolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:17:25
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub use super::encode::{Metadata, WorkspaceResolve};
[INFO] [stdout]    |                         ^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::resolve::Resolve`
[INFO] [stdout]   --> src/cargo/core/resolver/context.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use super::resolve::Resolve;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/cargo/core/workspace.rs:352:10
[INFO] [stdout]     |
[INFO] [stdout] 352 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/cargo/core/source/source_id.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cargo/core/source/source_id.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 196 -                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout] 196 +                 static WARNED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 83 -         static INIT: Once = ONCE_INIT;
[INFO] [stdout] 83 +         static INIT: Once = Once::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/cargo/core/source/source_id.rs:8:37
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::atomic::{AtomicBool, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/cargo/core/source/source_id.rs:196:45
[INFO] [stdout]     |
[INFO] [stdout] 196 |                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 196 -                 static WARNED: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout] 196 +                 static WARNED: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:13:23
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/cargo/util/config.rs:83:29
[INFO] [stdout]    |
[INFO] [stdout] 83 |         static INIT: Once = ONCE_INIT;
[INFO] [stdout]    |                             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 83 -         static INIT: Once = ONCE_INIT;
[INFO] [stdout] 83 +         static INIT: Once = Once::new();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stdout]    --> src/cargo/ops/cargo_install.rs:264:16
[INFO] [stdout]     |
[INFO] [stdout] 264 |             td.into_path();
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `tempfile::TempDir::into_path`: use TempDir::keep()
[INFO] [stdout]    --> src/cargo/ops/cargo_install.rs:264:16
[INFO] [stdout]     |
[INFO] [stdout] 264 |             td.into_path();
[INFO] [stdout]     |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/cargo/util/flock.rs:229:49
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 acquire(config, msg, &path, &|| f.try_lock_shared(), &|| {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `Result<(), TryLockError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<_, std::io::Error>`
[INFO] [stdout]                found enum `Result<_, std::fs::TryLockError>`
[INFO] [stdout] help: use `?` to coerce and return an appropriate `Err`, and wrap the resulting value in `Ok` so the expression remains of type `Result`
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 acquire(config, msg, &path, &|| Ok(f.try_lock_shared()?), &|| {
[INFO] [stdout]     |                                                 +++                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/cargo/util/flock.rs:229:49
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 acquire(config, msg, &path, &|| f.try_lock_shared(), &|| {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^ expected `Result<(), Error>`, found `Result<(), TryLockError>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Result<_, std::io::Error>`
[INFO] [stdout]                found enum `Result<_, std::fs::TryLockError>`
[INFO] [stdout] help: use `?` to coerce and return an appropriate `Err`, and wrap the resulting value in `Ok` so the expression remains of type `Result`
[INFO] [stdout]     |
[INFO] [stdout] 229 |                 acquire(config, msg, &path, &|| Ok(f.try_lock_shared()?), &|| {
[INFO] [stdout]     |                                                 +++                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-semverver` (lib) due to 1 previous error; 11 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cargo-semverver` (lib test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "49d71a152d2710a17bd1fd5a338aa5ebed578f8f3d859f9c74b77fbc70f55daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d71a152d2710a17bd1fd5a338aa5ebed578f8f3d859f9c74b77fbc70f55daf", kill_on_drop: false }`
[INFO] [stdout] 49d71a152d2710a17bd1fd5a338aa5ebed578f8f3d859f9c74b77fbc70f55daf
