[INFO] fetching crate pcell 0.7.1...
[INFO] testing pcell-0.7.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pcell 0.7.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pcell 0.7.1
[INFO] finished tweaking crates.io crate pcell 0.7.1
[INFO] tweaked toml for crates.io crate pcell 0.7.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pcell 0.7.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.7.0 (available: v0.22.1)
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.6.1)
[INFO] [stderr]       Adding md5 v0.3.8 (available: v0.8.0)
[INFO] [stderr]       Adding prettytable-rs v0.6.7 (available: v0.10.0)
[INFO] [stderr]       Adding snap v0.2.5 (available: v1.1.1)
[INFO] [stderr]       Adding toml v0.4.10 (available: v1.1.2+spec-1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30ee51d3924f145ac774b0f0ea1f9115a9c1e0a88ae0c82d53ea4308e1685fb8
[INFO] running `Command { std: "docker" "start" "-a" "30ee51d3924f145ac774b0f0ea1f9115a9c1e0a88ae0c82d53ea4308e1685fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ee51d3924f145ac774b0f0ea1f9115a9c1e0a88ae0c82d53ea4308e1685fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ee51d3924f145ac774b0f0ea1f9115a9c1e0a88ae0c82d53ea4308e1685fb8", kill_on_drop: false }`
[INFO] [stdout] 30ee51d3924f145ac774b0f0ea1f9115a9c1e0a88ae0c82d53ea4308e1685fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf749ae70b2b6cc6771126940c3e13cabbed4f8664312577560250d0f511df5
[INFO] running `Command { std: "docker" "start" "-a" "8bf749ae70b2b6cc6771126940c3e13cabbed4f8664312577560250d0f511df5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling pcell v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:74
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:91
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |             println!("Failed to serialize database: {}", e.description());
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:159:67
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 Err(e) => println!("Failed to create file: {}", e.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/main.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 | /             write!(
[INFO] [stdout] 102 | |                 file,
[INFO] [stdout] 103 | |                 "{}",
[INFO] [stdout] 104 | |                 db_strings.as_str()
[INFO] [stdout] 105 | |             ).is_ok();
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[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] 101 |             let _ = write!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.28s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "8bf749ae70b2b6cc6771126940c3e13cabbed4f8664312577560250d0f511df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf749ae70b2b6cc6771126940c3e13cabbed4f8664312577560250d0f511df5", kill_on_drop: false }`
[INFO] [stdout] 8bf749ae70b2b6cc6771126940c3e13cabbed4f8664312577560250d0f511df5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e2f58b3e4ef1d9788f9c52de242ad013976447007ba93bcbf2b4ec7fab25187
[INFO] running `Command { std: "docker" "start" "-a" "9e2f58b3e4ef1d9788f9c52de242ad013976447007ba93bcbf2b4ec7fab25187", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling pcell v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:74
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:79:91
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stdout]    |                                                                                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:95:60
[INFO] [stdout]    |
[INFO] [stdout] 95 |             println!("Failed to serialize database: {}", e.description());
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:159:67
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 Err(e) => println!("Failed to create file: {}", e.description()),
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stdout]    --> src/main.rs:101:13
[INFO] [stdout]     |
[INFO] [stdout] 101 | /             write!(
[INFO] [stdout] 102 | |                 file,
[INFO] [stdout] 103 | |                 "{}",
[INFO] [stdout] 104 | |                 db_strings.as_str()
[INFO] [stdout] 105 | |             ).is_ok();
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[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] 101 |             let _ = write!(
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "9e2f58b3e4ef1d9788f9c52de242ad013976447007ba93bcbf2b4ec7fab25187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e2f58b3e4ef1d9788f9c52de242ad013976447007ba93bcbf2b4ec7fab25187", kill_on_drop: false }`
[INFO] [stdout] 9e2f58b3e4ef1d9788f9c52de242ad013976447007ba93bcbf2b4ec7fab25187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a06056a289e21932a4a2677122a79eab9bff66d550d787a794b7d286659f2dc
[INFO] running `Command { std: "docker" "start" "-a" "3a06056a289e21932a4a2677122a79eab9bff66d550d787a794b7d286659f2dc", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:79:74
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stderr]    |                                                                          ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:79:91
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 Err(e) => println!("Failed to read database: {} {}", why.description(), e.description()),
[INFO] [stderr]    |                                                                                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:95:60
[INFO] [stderr]    |
[INFO] [stderr] 95 |             println!("Failed to serialize database: {}", e.description());
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/main.rs:159:67
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 Err(e) => println!("Failed to create file: {}", e.description()),
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 | /             write!(
[INFO] [stderr] 102 | |                 file,
[INFO] [stderr] 103 | |                 "{}",
[INFO] [stderr] 104 | |                 db_strings.as_str()
[INFO] [stderr] 105 | |             ).is_ok();
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 101 |             let _ = write!(
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pcell` (bin "pcell" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pcell-9262f8d740e7ebc1)
[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" "3a06056a289e21932a4a2677122a79eab9bff66d550d787a794b7d286659f2dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a06056a289e21932a4a2677122a79eab9bff66d550d787a794b7d286659f2dc", kill_on_drop: false }`
[INFO] [stdout] 3a06056a289e21932a4a2677122a79eab9bff66d550d787a794b7d286659f2dc
