[INFO] fetching crate faux_alloc 0.1.0...
[INFO] testing faux_alloc-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate faux_alloc 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate faux_alloc 0.1.0
[INFO] finished tweaking crates.io crate faux_alloc 0.1.0
[INFO] tweaked toml for crates.io crate faux_alloc 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate faux_alloc 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate faux_alloc 0.1.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84cd5cdad8e45819c6cee9410335bf0724948b90fba289e1bbdd6d4013e5ea70
[INFO] running `Command { std: "docker" "start" "-a" "84cd5cdad8e45819c6cee9410335bf0724948b90fba289e1bbdd6d4013e5ea70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84cd5cdad8e45819c6cee9410335bf0724948b90fba289e1bbdd6d4013e5ea70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cd5cdad8e45819c6cee9410335bf0724948b90fba289e1bbdd6d4013e5ea70", kill_on_drop: false }`
[INFO] [stdout] 84cd5cdad8e45819c6cee9410335bf0724948b90fba289e1bbdd6d4013e5ea70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ff8472db41837f4aa943880caf5d33491c7f1f7cbe577d244ac85e09f703d3
[INFO] running `Command { std: "docker" "start" "-a" "b0ff8472db41837f4aa943880caf5d33491c7f1f7cbe577d244ac85e09f703d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling faux_alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         this.0 == other.0
[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] 265 -         this.0 == other.0
[INFO] [stdout] 265 +         std::ptr::addr_eq(this.0, other.0)
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 265 -         this.0 == other.0
[INFO] [stdout] 265 +         std::ptr::eq(this.0, other.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "b0ff8472db41837f4aa943880caf5d33491c7f1f7cbe577d244ac85e09f703d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ff8472db41837f4aa943880caf5d33491c7f1f7cbe577d244ac85e09f703d3", kill_on_drop: false }`
[INFO] [stdout] b0ff8472db41837f4aa943880caf5d33491c7f1f7cbe577d244ac85e09f703d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 644c03270d9b8533c3994c403969f87d9c6a116f17871fddfd8fb0c3e38ccf81
[INFO] running `Command { std: "docker" "start" "-a" "644c03270d9b8533c3994c403969f87d9c6a116f17871fddfd8fb0c3e38ccf81", kill_on_drop: false }`
[INFO] [stderr]    Compiling faux_alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         this.0 == other.0
[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] 265 -         this.0 == other.0
[INFO] [stdout] 265 +         std::ptr::addr_eq(this.0, other.0)
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 265 -         this.0 == other.0
[INFO] [stdout] 265 +         std::ptr::eq(this.0, other.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `faux_alloc` (example "main") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:265:9
[INFO] [stdout]     |
[INFO] [stdout] 265 |         this.0 == other.0
[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] 265 -         this.0 == other.0
[INFO] [stdout] 265 +         std::ptr::addr_eq(this.0, other.0)
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 265 -         this.0 == other.0
[INFO] [stdout] 265 +         std::ptr::eq(this.0, other.0)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "644c03270d9b8533c3994c403969f87d9c6a116f17871fddfd8fb0c3e38ccf81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644c03270d9b8533c3994c403969f87d9c6a116f17871fddfd8fb0c3e38ccf81", kill_on_drop: false }`
[INFO] [stdout] 644c03270d9b8533c3994c403969f87d9c6a116f17871fddfd8fb0c3e38ccf81