[INFO] fetching crate pcell 0.7.1... [INFO] checking pcell-0.7.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate pcell 0.7.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate pcell 0.7.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded csv v0.15.0 [INFO] [stderr] Downloaded base64 v0.7.0 [INFO] [stderr] Downloaded prettytable-rs v0.6.7 [INFO] [stderr] Downloaded snap v0.2.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2824587f34320c9c197ae54595c8d4aa4c39c044fc4e4183b53cf09814158618 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "2824587f34320c9c197ae54595c8d4aa4c39c044fc4e4183b53cf09814158618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2824587f34320c9c197ae54595c8d4aa4c39c044fc4e4183b53cf09814158618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2824587f34320c9c197ae54595c8d4aa4c39c044fc4e4183b53cf09814158618", kill_on_drop: false }` [INFO] [stdout] 2824587f34320c9c197ae54595c8d4aa4c39c044fc4e4183b53cf09814158618 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 59c900d797f9284807570f6a7a8a5897637319134fde5d6661dd333f221b966d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "59c900d797f9284807570f6a7a8a5897637319134fde5d6661dd333f221b966d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking clap v2.33.3 [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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 associated function `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 `std::result::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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::result::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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you intended to assert that this is ok, consider `.unwrap()` instead [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 9.44s [INFO] running `Command { std: "docker" "inspect" "59c900d797f9284807570f6a7a8a5897637319134fde5d6661dd333f221b966d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59c900d797f9284807570f6a7a8a5897637319134fde5d6661dd333f221b966d", kill_on_drop: false }` [INFO] [stdout] 59c900d797f9284807570f6a7a8a5897637319134fde5d6661dd333f221b966d