[INFO] fetching crate pipeviewer 1.0.0...
[INFO] checking pipeviewer-1.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate pipeviewer 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pipeviewer 1.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pipeviewer 1.0.0
[INFO] finished tweaking crates.io crate pipeviewer 1.0.0
[INFO] tweaked toml for crates.io crate pipeviewer 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pipeviewer 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3b395490c2b096cd4759bc14fae7ac1b8253026cbebb8d34ce15e8255fe8e43
[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" "f3b395490c2b096cd4759bc14fae7ac1b8253026cbebb8d34ce15e8255fe8e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3b395490c2b096cd4759bc14fae7ac1b8253026cbebb8d34ce15e8255fe8e43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b395490c2b096cd4759bc14fae7ac1b8253026cbebb8d34ce15e8255fe8e43", kill_on_drop: false }`
[INFO] [stdout] f3b395490c2b096cd4759bc14fae7ac1b8253026cbebb8d34ce15e8255fe8e43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b9f9d90caab90eb16f1e359632aa6e06f6ce02bb0ff21784edfdbed81e2bc6e
[INFO] running `Command { std: "docker" "start" "-a" "3b9f9d90caab90eb16f1e359632aa6e06f6ce02bb0ff21784edfdbed81e2bc6e", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking crossterm v0.14.2
[INFO] [stderr]     Checking pipeviewer v1.0.0 (/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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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/stats.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |       let _ = execute!(
[INFO] [stdout]    |  _____________^
[INFO] [stdout] 52 | |         stderr,
[INFO] [stdout] 53 | |         cursor::MoveToColumn(0),
[INFO] [stdout] 54 | |         Clear(ClearType::CurrentLine),
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |         PrintStyledContent(rate)
[INFO] [stdout] 58 | |     );
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `write_ansi_code` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 9.17s
[INFO] running `Command { std: "docker" "inspect" "3b9f9d90caab90eb16f1e359632aa6e06f6ce02bb0ff21784edfdbed81e2bc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9f9d90caab90eb16f1e359632aa6e06f6ce02bb0ff21784edfdbed81e2bc6e", kill_on_drop: false }`
[INFO] [stdout] 3b9f9d90caab90eb16f1e359632aa6e06f6ce02bb0ff21784edfdbed81e2bc6e