[INFO] fetching crate is-same 0.2.1...
[INFO] checking is-same-0.2.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate is-same 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate is-same 0.2.1
[INFO] finished tweaking crates.io crate is-same 0.2.1
[INFO] tweaked toml for crates.io crate is-same 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate is-same 0.2.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7bb150c5841fe3b7070c1de8ff965e95eae76b322b8bb8944dfc845fce0980c
[INFO] running `Command { std: "docker" "start" "-a" "b7bb150c5841fe3b7070c1de8ff965e95eae76b322b8bb8944dfc845fce0980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7bb150c5841fe3b7070c1de8ff965e95eae76b322b8bb8944dfc845fce0980c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7bb150c5841fe3b7070c1de8ff965e95eae76b322b8bb8944dfc845fce0980c", kill_on_drop: false }`
[INFO] [stdout] b7bb150c5841fe3b7070c1de8ff965e95eae76b322b8bb8944dfc845fce0980c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 977ea7b1c4d3d7073c3200d9ed79fc7af4aa9c6761ecd7780b240bb0d3014f5b
[INFO] running `Command { std: "docker" "start" "-a" "977ea7b1c4d3d7073c3200d9ed79fc7af4aa9c6761ecd7780b240bb0d3014f5b", kill_on_drop: false }`
[INFO] [stderr]     Checking is-same v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]    --> src/lib.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |         if (*self as *const T) == (*other as *const T) {
[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] 190 -         if (*self as *const T) == (*other as *const T) {
[INFO] [stdout] 190 +         if std::ptr::addr_eq((*self as *const T), (*other as *const T)) {
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 190 -         if (*self as *const T) == (*other as *const T) {
[INFO] [stdout] 190 +         if std::ptr::eq((*self as *const T), (*other as *const T)) {
[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/lib.rs:190:12
[INFO] [stdout]     |
[INFO] [stdout] 190 |         if (*self as *const T) == (*other as *const T) {
[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] 190 -         if (*self as *const T) == (*other as *const T) {
[INFO] [stdout] 190 +         if std::ptr::addr_eq((*self as *const T), (*other as *const T)) {
[INFO] [stdout]     |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]     |
[INFO] [stdout] 190 -         if (*self as *const T) == (*other as *const T) {
[INFO] [stdout] 190 +         if std::ptr::eq((*self as *const T), (*other as *const T)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "977ea7b1c4d3d7073c3200d9ed79fc7af4aa9c6761ecd7780b240bb0d3014f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977ea7b1c4d3d7073c3200d9ed79fc7af4aa9c6761ecd7780b240bb0d3014f5b", kill_on_drop: false }`
[INFO] [stdout] 977ea7b1c4d3d7073c3200d9ed79fc7af4aa9c6761ecd7780b240bb0d3014f5b