[INFO] fetching crate form_urlencoded 1.2.1...
[INFO] checking form_urlencoded-1.2.1 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate form_urlencoded 1.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate form_urlencoded 1.2.1 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate form_urlencoded 1.2.1
[INFO] finished tweaking crates.io crate form_urlencoded 1.2.1
[INFO] tweaked toml for crates.io crate form_urlencoded 1.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28647877afeb04df844fb32eb4e2fafb83717e4172d3130f8cf5df4603b7f88e
[INFO] running `Command { std: "docker" "start" "-a" "28647877afeb04df844fb32eb4e2fafb83717e4172d3130f8cf5df4603b7f88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28647877afeb04df844fb32eb4e2fafb83717e4172d3130f8cf5df4603b7f88e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28647877afeb04df844fb32eb4e2fafb83717e4172d3130f8cf5df4603b7f88e", kill_on_drop: false }`
[INFO] [stdout] 28647877afeb04df844fb32eb4e2fafb83717e4172d3130f8cf5df4603b7f88e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9cbc3bb0e63f2158b5def579075162c96b19a51f29983e6616e2b213fa28e02
[INFO] running `Command { std: "docker" "start" "-a" "e9cbc3bb0e63f2158b5def579075162c96b19a51f29983e6616e2b213fa28e02", kill_on_drop: false }`
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking form_urlencoded v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:414:35
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     debug_assert!(raw_utf8 == &*bytes as *const [u8]);
[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] 414 |                     debug_assert!(std::ptr::addr_eq(raw_utf8, &*bytes as *const [u8]));
[INFO] [stdout]     |                                   ++++++++++++++++++        ~                       +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     debug_assert!(std::ptr::eq(raw_utf8, &*bytes as *const [u8]));
[INFO] [stdout]     |                                   +++++++++++++        ~                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:414:35
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     debug_assert!(raw_utf8 == &*bytes as *const [u8]);
[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] 414 |                     debug_assert!(std::ptr::addr_eq(raw_utf8, &*bytes as *const [u8]));
[INFO] [stdout]     |                                   ++++++++++++++++++        ~                       +
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 414 |                     debug_assert!(std::ptr::eq(raw_utf8, &*bytes as *const [u8]));
[INFO] [stdout]     |                                   +++++++++++++        ~                       +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "e9cbc3bb0e63f2158b5def579075162c96b19a51f29983e6616e2b213fa28e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9cbc3bb0e63f2158b5def579075162c96b19a51f29983e6616e2b213fa28e02", kill_on_drop: false }`
[INFO] [stdout] e9cbc3bb0e63f2158b5def579075162c96b19a51f29983e6616e2b213fa28e02