[INFO] fetching crate useful_number 0.1.2... [INFO] checking useful_number-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate useful_number 0.1.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate useful_number 0.1.2 [INFO] finished tweaking crates.io crate useful_number 0.1.2 [INFO] tweaked toml for crates.io crate useful_number 0.1.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate useful_number 0.1.2 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] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [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] [stderr] Blocking waiting for file lock on package cache [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] d3c4ca22d0b3726a322d93eca9fc4973c2dcc94f20cdc5a342aa2e08438990ef [INFO] running `Command { std: "docker" "start" "-a" "d3c4ca22d0b3726a322d93eca9fc4973c2dcc94f20cdc5a342aa2e08438990ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3c4ca22d0b3726a322d93eca9fc4973c2dcc94f20cdc5a342aa2e08438990ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3c4ca22d0b3726a322d93eca9fc4973c2dcc94f20cdc5a342aa2e08438990ef", kill_on_drop: false }` [INFO] [stdout] d3c4ca22d0b3726a322d93eca9fc4973c2dcc94f20cdc5a342aa2e08438990ef [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] a0bbbb55b3ebbd53c382cbc25cd86c07815d6f3ccb5f258dc5f52da19bd509a5 [INFO] running `Command { std: "docker" "start" "-a" "a0bbbb55b3ebbd53c382cbc25cd86c07815d6f3ccb5f258dc5f52da19bd509a5", kill_on_drop: false }` [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking useful_number v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/updatable_num.rs:385:24 [INFO] [stdout] | [INFO] [stdout] 385 | assert_eq!(DROP_COUNTER, 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 shared reference to mutable static [INFO] [stdout] --> src/updatable_num.rs:407:24 [INFO] [stdout] | [INFO] [stdout] 407 | assert_eq!(DROP_COUNTER, 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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `Command { std: "docker" "inspect" "a0bbbb55b3ebbd53c382cbc25cd86c07815d6f3ccb5f258dc5f52da19bd509a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0bbbb55b3ebbd53c382cbc25cd86c07815d6f3ccb5f258dc5f52da19bd509a5", kill_on_drop: false }` [INFO] [stdout] a0bbbb55b3ebbd53c382cbc25cd86c07815d6f3ccb5f258dc5f52da19bd509a5