[INFO] fetching crate dev_utils 0.1.1...
[INFO] building dev_utils-0.1.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate dev_utils 0.1.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate dev_utils 0.1.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dev_utils 0.1.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dev_utils 0.1.1
[INFO] tweaked toml for crates.io crate dev_utils 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate dev_utils 0.1.1 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e269005d5eddca8e29bb7a395ed1dba63aa270729609a036b978ee68789d84f
[INFO] running `Command { std: "docker" "start" "-a" "1e269005d5eddca8e29bb7a395ed1dba63aa270729609a036b978ee68789d84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e269005d5eddca8e29bb7a395ed1dba63aa270729609a036b978ee68789d84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e269005d5eddca8e29bb7a395ed1dba63aa270729609a036b978ee68789d84f", kill_on_drop: false }`
[INFO] [stdout] 1e269005d5eddca8e29bb7a395ed1dba63aa270729609a036b978ee68789d84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4282e0c3f22ecb7b2fa0421920d0090d7a26aac6f9913af091d4d41d7e40021
[INFO] running `Command { std: "docker" "start" "-a" "c4282e0c3f22ecb7b2fa0421920d0090d7a26aac6f9913af091d4d41d7e40021", kill_on_drop: false }`
[INFO] [stderr]    Compiling dev_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c4282e0c3f22ecb7b2fa0421920d0090d7a26aac6f9913af091d4d41d7e40021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4282e0c3f22ecb7b2fa0421920d0090d7a26aac6f9913af091d4d41d7e40021", kill_on_drop: false }`
[INFO] [stdout] c4282e0c3f22ecb7b2fa0421920d0090d7a26aac6f9913af091d4d41d7e40021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6b397a2240f5744db2300c7250373d8db86f28e968a7ed40178fb5a3b611581
[INFO] running `Command { std: "docker" "start" "-a" "c6b397a2240f5744db2300c7250373d8db86f28e968a7ed40178fb5a3b611581", kill_on_drop: false }`
[INFO] [stderr]    Compiling dev_utils v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `showcase_advanced_conversions` is never used
[INFO] [stdout]   --> examples/base_change.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn showcase_advanced_conversions() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `showcase_precision` is never used
[INFO] [stdout]    --> examples/base_change.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn showcase_precision() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `showcase_log_performance` is never used
[INFO] [stdout]    --> examples/dlog.rs:114:4
[INFO] [stdout]     |
[INFO] [stdout] 114 | fn showcase_log_performance() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "c6b397a2240f5744db2300c7250373d8db86f28e968a7ed40178fb5a3b611581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b397a2240f5744db2300c7250373d8db86f28e968a7ed40178fb5a3b611581", kill_on_drop: false }`
[INFO] [stdout] c6b397a2240f5744db2300c7250373d8db86f28e968a7ed40178fb5a3b611581