[INFO] fetching crate polimorphism 0.7.3... [INFO] checking polimorphism-0.7.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate polimorphism 0.7.3 into /workspace/builds/worker-0-tc2/source [INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate polimorphism 0.7.3 [INFO] finished tweaking crates.io crate polimorphism 0.7.3 [INFO] tweaked toml for crates.io crate polimorphism 0.7.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate polimorphism 0.7.3 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7f064bbbf4fa5e87b55d772a5d5f4a73fff62e1d18bff76de1eacdb73e72dda7 [INFO] running `Command { std: "docker" "start" "-a" "7f064bbbf4fa5e87b55d772a5d5f4a73fff62e1d18bff76de1eacdb73e72dda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7f064bbbf4fa5e87b55d772a5d5f4a73fff62e1d18bff76de1eacdb73e72dda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f064bbbf4fa5e87b55d772a5d5f4a73fff62e1d18bff76de1eacdb73e72dda7", kill_on_drop: false }` [INFO] [stdout] 7f064bbbf4fa5e87b55d772a5d5f4a73fff62e1d18bff76de1eacdb73e72dda7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fedc849d3dfc797329da4a842eaa91811c2e2d5315bcdd242e89f1e70d7dbc3b [INFO] running `Command { std: "docker" "start" "-a" "fedc849d3dfc797329da4a842eaa91811c2e2d5315bcdd242e89f1e70d7dbc3b", kill_on_drop: false }` [INFO] [stderr] Checking polimorphism v0.7.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:293:33 [INFO] [stdout] | [INFO] [stdout] 293 | if !unsafe {DEFINED_POLY_FNS.contains(&func[1])} { [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 mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:299:33 [INFO] [stdout] | [INFO] [stdout] 299 | unsafe {DEFINED_POLY_FNS.push(func[1].to_string());} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:293:33 [INFO] [stdout] | [INFO] [stdout] 293 | if !unsafe {DEFINED_POLY_FNS.contains(&func[1])} { [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 mutable reference to mutable static [INFO] [stdout] --> src/lib.rs:299:33 [INFO] [stdout] | [INFO] [stdout] 299 | unsafe {DEFINED_POLY_FNS.push(func[1].to_string());} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "fedc849d3dfc797329da4a842eaa91811c2e2d5315bcdd242e89f1e70d7dbc3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fedc849d3dfc797329da4a842eaa91811c2e2d5315bcdd242e89f1e70d7dbc3b", kill_on_drop: false }` [INFO] [stdout] fedc849d3dfc797329da4a842eaa91811c2e2d5315bcdd242e89f1e70d7dbc3b