[INFO] fetching crate reffers 0.7.0...
[INFO] building reffers-0.7.0 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] extracting crate reffers 0.7.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate reffers 0.7.0 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 reffers 0.7.0
[INFO] finished tweaking crates.io crate reffers 0.7.0
[INFO] tweaked toml for crates.io crate reffers 0.7.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b60d01a8139e74668b3dc98007fe971e7a58079b03392fcc3163f2a7487fb6dc
[INFO] running `Command { std: "docker" "start" "-a" "b60d01a8139e74668b3dc98007fe971e7a58079b03392fcc3163f2a7487fb6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60d01a8139e74668b3dc98007fe971e7a58079b03392fcc3163f2a7487fb6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60d01a8139e74668b3dc98007fe971e7a58079b03392fcc3163f2a7487fb6dc", kill_on_drop: false }`
[INFO] [stdout] b60d01a8139e74668b3dc98007fe971e7a58079b03392fcc3163f2a7487fb6dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cb1da6b9f17556d8396655c46fd8990745ead07fdeb46eb4faeb9a4abce3d165
[INFO] running `Command { std: "docker" "start" "-a" "cb1da6b9f17556d8396655c46fd8990745ead07fdeb46eb4faeb9a4abce3d165", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling reffers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/aref.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if ptr2 != ptr1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stdout]     |        +++++++++++++++++++    ~     +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stdout]     |        ++++++++++++++    ~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "cb1da6b9f17556d8396655c46fd8990745ead07fdeb46eb4faeb9a4abce3d165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb1da6b9f17556d8396655c46fd8990745ead07fdeb46eb4faeb9a4abce3d165", kill_on_drop: false }`
[INFO] [stdout] cb1da6b9f17556d8396655c46fd8990745ead07fdeb46eb4faeb9a4abce3d165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b827f61d315f38ae1079308bff2ace9ec30fa0c52d9e37832d0556886b7d0069
[INFO] running `Command { std: "docker" "start" "-a" "b827f61d315f38ae1079308bff2ace9ec30fa0c52d9e37832d0556886b7d0069", kill_on_drop: false }`
[INFO] [stderr]    Compiling reffers v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/aref.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if ptr2 != ptr1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stdout]     |        +++++++++++++++++++    ~     +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stdout]     |        ++++++++++++++    ~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/aref.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if ptr2 != ptr1 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if !std::ptr::addr_eq(ptr2, ptr1) {
[INFO] [stdout]     |        +++++++++++++++++++    ~     +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 115 |     if !std::ptr::eq(ptr2, ptr1) {
[INFO] [stdout]     |        ++++++++++++++    ~     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b827f61d315f38ae1079308bff2ace9ec30fa0c52d9e37832d0556886b7d0069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b827f61d315f38ae1079308bff2ace9ec30fa0c52d9e37832d0556886b7d0069", kill_on_drop: false }`
[INFO] [stdout] b827f61d315f38ae1079308bff2ace9ec30fa0c52d9e37832d0556886b7d0069