[INFO] fetching crate pcell 0.7.1... [INFO] checking pcell-0.7.1 against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984 [INFO] extracting crate pcell 0.7.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate pcell 0.7.1 on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded md5 v0.3.8 [INFO] [stderr] Downloaded prettytable-rs v0.6.7 [INFO] [stderr] Downloaded safemem v0.2.0 [INFO] [stderr] Downloaded base64 v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cc8fd413b864ef19bb02f38277620b27bdd2d6735a3a0fe9c4ca1a1192d5ee7f [INFO] running `Command { std: "docker" "start" "-a" "cc8fd413b864ef19bb02f38277620b27bdd2d6735a3a0fe9c4ca1a1192d5ee7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cc8fd413b864ef19bb02f38277620b27bdd2d6735a3a0fe9c4ca1a1192d5ee7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc8fd413b864ef19bb02f38277620b27bdd2d6735a3a0fe9c4ca1a1192d5ee7f", kill_on_drop: false }` [INFO] [stdout] cc8fd413b864ef19bb02f38277620b27bdd2d6735a3a0fe9c4ca1a1192d5ee7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4206fb40f2c645a8932322bfb223d614d4a5a1687cf5f5b9025519693136ea66 [INFO] running `Command { std: "docker" "start" "-a" "4206fb40f2c645a8932322bfb223d614d4a5a1687cf5f5b9025519693136ea66", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Checking encode_unicode v0.3.6 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Checking md5 v0.3.8 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v0.15.0 [INFO] [stderr] Checking prettytable-rs v0.6.7 [INFO] [stderr] Checking 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: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: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: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: 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::::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)]` 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] [stdout] warning: unused return value of `Result::::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)]` 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] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.84s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, 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 2` [INFO] running `Command { std: "docker" "inspect" "4206fb40f2c645a8932322bfb223d614d4a5a1687cf5f5b9025519693136ea66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4206fb40f2c645a8932322bfb223d614d4a5a1687cf5f5b9025519693136ea66", kill_on_drop: false }` [INFO] [stdout] 4206fb40f2c645a8932322bfb223d614d4a5a1687cf5f5b9025519693136ea66