[INFO] fetching crate muon-rs 0.2.3...
[INFO] building muon-rs-0.2.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate muon-rs 0.2.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate muon-rs 0.2.3
[INFO] finished tweaking crates.io crate muon-rs 0.2.3
[INFO] tweaked toml for crates.io crate muon-rs 0.2.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate muon-rs 0.2.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bb0ebc18f549d0770b4835776f75d527c31d7c6093f1783d1adb22920c4f212
[INFO] running `Command { std: "docker" "start" "-a" "0bb0ebc18f549d0770b4835776f75d527c31d7c6093f1783d1adb22920c4f212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bb0ebc18f549d0770b4835776f75d527c31d7c6093f1783d1adb22920c4f212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb0ebc18f549d0770b4835776f75d527c31d7c6093f1783d1adb22920c4f212", kill_on_drop: false }`
[INFO] [stdout] 0bb0ebc18f549d0770b4835776f75d527c31d7c6093f1783d1adb22920c4f212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfa87dff5288c8ac966313b24cf7fc2102d0850f04055c99a91eb39b51aed3c6
[INFO] running `Command { std: "docker" "start" "-a" "cfa87dff5288c8ac966313b24cf7fc2102d0850f04055c99a91eb39b51aed3c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling muon-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:106:35
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Error::IO(ref e) => 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/error.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |         formatter.write_str(self.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/error.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Error::Format(ref e) => 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/error.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Error::Utf8(ref e) => 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/error.rs:109:41
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Error::FromUtf8(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `modifier`, and `default` are never read
[INFO] [stdout]   --> src/schema.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Node<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     /// Type modifier
[INFO] [stdout] 54 |     modifier: Option<Modifier>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     default: Option<Value>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lines.rs:227:19
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn schema(&self) -> Option<&Schema> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn schema(&self) -> Option<&Schema<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "cfa87dff5288c8ac966313b24cf7fc2102d0850f04055c99a91eb39b51aed3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa87dff5288c8ac966313b24cf7fc2102d0850f04055c99a91eb39b51aed3c6", kill_on_drop: false }`
[INFO] [stdout] cfa87dff5288c8ac966313b24cf7fc2102d0850f04055c99a91eb39b51aed3c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb501890ef659bad59346462ac403d73630c73bb07c4b81906ac543cf3e60e06
[INFO] running `Command { std: "docker" "start" "-a" "bb501890ef659bad59346462ac403d73630c73bb07c4b81906ac543cf3e60e06", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/error.rs:106:35
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Error::IO(ref e) => 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/error.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |         formatter.write_str(self.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/error.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Error::Format(ref e) => 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/error.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Error::Utf8(ref e) => 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/error.rs:109:41
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Error::FromUtf8(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `modifier`, and `default` are never read
[INFO] [stdout]   --> src/schema.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Node<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     /// Type modifier
[INFO] [stdout] 54 |     modifier: Option<Modifier>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     default: Option<Value>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lines.rs:227:19
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn schema(&self) -> Option<&Schema> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn schema(&self) -> Option<&Schema<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling muon-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:99:34
[INFO] [stdout]    |
[INFO] [stdout] 99 |         formatter.write_str(self.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/error.rs:106:35
[INFO] [stdout]     |
[INFO] [stdout] 106 |             Error::IO(ref e) => 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/error.rs:107:39
[INFO] [stdout]     |
[INFO] [stdout] 107 |             Error::Format(ref e) => 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/error.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |             Error::Utf8(ref e) => 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/error.rs:109:41
[INFO] [stdout]     |
[INFO] [stdout] 109 |             Error::FromUtf8(ref e) => e.description(),
[INFO] [stdout]     |                                         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lines.rs:227:19
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn schema(&self) -> Option<&Schema> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^
[INFO] [stdout]     |                   |                ||
[INFO] [stdout]     |                   |                |the same lifetime is hidden here
[INFO] [stdout]     |                   |                the same lifetime is elided here
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 227 |     pub fn schema(&self) -> Option<&Schema<'_>> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `modifier`, and `default` are never read
[INFO] [stdout]   --> src/schema.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Node<'a> {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 52 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 53 |     /// Type modifier
[INFO] [stdout] 54 |     modifier: Option<Modifier>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     default: Option<Value>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "bb501890ef659bad59346462ac403d73630c73bb07c4b81906ac543cf3e60e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb501890ef659bad59346462ac403d73630c73bb07c4b81906ac543cf3e60e06", kill_on_drop: false }`
[INFO] [stdout] bb501890ef659bad59346462ac403d73630c73bb07c4b81906ac543cf3e60e06
