[INFO] fetching crate embedded-profiling 0.3.0... [INFO] checking embedded-profiling-0.3.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate embedded-profiling 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate embedded-profiling 0.3.0 [INFO] finished tweaking crates.io crate embedded-profiling 0.3.0 [INFO] tweaked toml for crates.io crate embedded-profiling 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate embedded-profiling 0.3.0 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 24 packages to latest compatible versions [INFO] [stderr] Adding serial_test v0.5.1 (available: v3.2.0) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] b504b9ad82dabfc236a01c1f90e33c945c40eda7934d517cc8100b15e98b2b4a [INFO] running `Command { std: "docker" "start" "-a" "b504b9ad82dabfc236a01c1f90e33c945c40eda7934d517cc8100b15e98b2b4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b504b9ad82dabfc236a01c1f90e33c945c40eda7934d517cc8100b15e98b2b4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b504b9ad82dabfc236a01c1f90e33c945c40eda7934d517cc8100b15e98b2b4a", kill_on_drop: false }` [INFO] [stdout] b504b9ad82dabfc236a01c1f90e33c945c40eda7934d517cc8100b15e98b2b4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 12ef80b604cdc8d14ce3a75f5b41a31b79165c8dd948fddc735fc7c0b70168fd [INFO] running `Command { std: "docker" "start" "-a" "12ef80b604cdc8d14ce3a75f5b41a31b79165c8dd948fddc735fc7c0b70168fd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.101 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling libc v0.2.175 [INFO] [stderr] Checking cfg-if v1.0.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking gcd v2.3.0 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking instant v0.1.13 [INFO] [stderr] Checking fugit v0.3.7 [INFO] [stderr] Checking embedded-profiling v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling lock_api v0.4.13 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:314:16 [INFO] [stdout] | [INFO] [stdout] 314 | if MOCK_PROFILER.is_none() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:317:33 [INFO] [stdout] | [INFO] [stdout] 317 | super::set_profiler(MOCK_PROFILER.as_ref().unwrap()).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `Command { std: "docker" "inspect" "12ef80b604cdc8d14ce3a75f5b41a31b79165c8dd948fddc735fc7c0b70168fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12ef80b604cdc8d14ce3a75f5b41a31b79165c8dd948fddc735fc7c0b70168fd", kill_on_drop: false }` [INFO] [stdout] 12ef80b604cdc8d14ce3a75f5b41a31b79165c8dd948fddc735fc7c0b70168fd