[INFO] fetching crate plex 0.3.1...
[INFO] fixing plex-0.3.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate plex 0.3.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate plex 0.3.1
[INFO] finished tweaking crates.io crate plex 0.3.1
[INFO] tweaked toml for crates.io crate plex 0.3.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate plex 0.3.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate plex 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.22.14
[INFO] [stderr]   Downloaded serde_spanned v0.6.6
[INFO] [stderr]   Downloaded serde v1.0.203
[INFO] [stderr]   Downloaded toml v0.8.14
[INFO] [stderr]   Downloaded serde_derive v1.0.203
[INFO] [stderr]   Downloaded trybuild v1.0.96
[INFO] [stderr]   Downloaded redfa v0.0.3
[INFO] [stderr]   Downloaded lalr v0.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.85
[INFO] [stderr]   Downloaded winnow v0.6.11
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd
[INFO] running `Command { std: "docker" "start" "8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking winnow v0.6.11
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling trybuild v1.0.96
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking lalr v0.0.2
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]     Checking redfa v0.0.3
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking syn v2.0.66
[INFO] [stderr]     Checking toml_datetime v0.6.6
[INFO] [stderr]     Checking serde_spanned v0.6.6
[INFO] [stderr]     Checking toml_edit v0.22.14
[INFO] [stderr]     Checking plex v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.8.14
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stdout] warning: field `span` is never read
[INFO] [stdout]    --> examples/demo.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |     pub struct Expr {
[INFO] [stdout]     |                ---- field in this struct
[INFO] [stdout] 114 |         pub span: Span,
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Expr` 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 `dev` profile [unoptimized + debuginfo] target(s) in 13.76s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd", kill_on_drop: false }`
[INFO] [stdout] 8d1aca343404488b79f3524d1d4b022bef2de384361d4e1c0c6af367e3c9c3dd
