[INFO] fetching crate modbus 1.1.1...
[INFO] building modbus-1.1.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate modbus 1.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate modbus 1.1.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate modbus 1.1.1
[INFO] tweaked toml for crates.io crate modbus 1.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate modbus 1.1.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate modbus 1.1.1 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded enum_primitive v0.1.1
[INFO] [stderr]   Downloaded modbus-test-server v0.0.4
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded unicode-width v0.1.13
[INFO] [stderr]   Downloaded libc v0.2.158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7224a14118e7c1c1f718da45519dedf8a5c2c633d3e1c69108177eefb6d37b0
[INFO] running `Command { std: "docker" "start" "-a" "e7224a14118e7c1c1f718da45519dedf8a5c2c633d3e1c69108177eefb6d37b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7224a14118e7c1c1f718da45519dedf8a5c2c633d3e1c69108177eefb6d37b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7224a14118e7c1c1f718da45519dedf8a5c2c633d3e1c69108177eefb6d37b0", kill_on_drop: false }`
[INFO] [stdout] e7224a14118e7c1c1f718da45519dedf8a5c2c633d3e1c69108177eefb6d37b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01c757f9aba2b9c501c1a6d025f1a9d791e141a707e0552de20226204cffcc90
[INFO] running `Command { std: "docker" "start" "-a" "01c757f9aba2b9c501c1a6d025f1a9d791e141a707e0552de20226204cffcc90", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling modbus v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scoped.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |         transport: &mut Transport,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 117 |     ) -> Result<ScopedCoil> {
[INFO] [stdout]     |                 ^^^^^^^^^^ the same lifetime is hidden 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] 117 |     ) -> Result<ScopedCoil<'_>> {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "01c757f9aba2b9c501c1a6d025f1a9d791e141a707e0552de20226204cffcc90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c757f9aba2b9c501c1a6d025f1a9d791e141a707e0552de20226204cffcc90", kill_on_drop: false }`
[INFO] [stdout] 01c757f9aba2b9c501c1a6d025f1a9d791e141a707e0552de20226204cffcc90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17227fb012857e50564cefa3edb1601727b78213b1c6193eb29d264ea838160f
[INFO] running `Command { std: "docker" "start" "-a" "17227fb012857e50564cefa3edb1601727b78213b1c6193eb29d264ea838160f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling modbus-test-server v0.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scoped.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |         transport: &mut Transport,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 117 |     ) -> Result<ScopedCoil> {
[INFO] [stdout]     |                 ^^^^^^^^^^ the same lifetime is hidden 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] 117 |     ) -> Result<ScopedCoil<'_>> {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling modbus v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/scoped.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |         transport: &mut Transport,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 117 |     ) -> Result<ScopedCoil> {
[INFO] [stdout]     |                 ^^^^^^^^^^ the same lifetime is hidden 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] 117 |     ) -> Result<ScopedCoil<'_>> {
[INFO] [stdout]     |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "17227fb012857e50564cefa3edb1601727b78213b1c6193eb29d264ea838160f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17227fb012857e50564cefa3edb1601727b78213b1c6193eb29d264ea838160f", kill_on_drop: false }`
[INFO] [stdout] 17227fb012857e50564cefa3edb1601727b78213b1c6193eb29d264ea838160f