[INFO] fetching crate rusty_dumb_tools 0.1.15... [INFO] testing rusty_dumb_tools-0.1.15 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate rusty_dumb_tools 0.1.15 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate rusty_dumb_tools 0.1.15 [INFO] finished tweaking crates.io crate rusty_dumb_tools 0.1.15 [INFO] tweaked toml for crates.io crate rusty_dumb_tools 0.1.15 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rusty_dumb_tools 0.1.15 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rusty_dumb_tools 0.1.15 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a9b0969eff903e0a12f6d93d95a7e2363c60d2bbc34b06254bbd8b2725e6f98 [INFO] running `Command { std: "docker" "start" "-a" "0a9b0969eff903e0a12f6d93d95a7e2363c60d2bbc34b06254bbd8b2725e6f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a9b0969eff903e0a12f6d93d95a7e2363c60d2bbc34b06254bbd8b2725e6f98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a9b0969eff903e0a12f6d93d95a7e2363c60d2bbc34b06254bbd8b2725e6f98", kill_on_drop: false }` [INFO] [stdout] 0a9b0969eff903e0a12f6d93d95a7e2363c60d2bbc34b06254bbd8b2725e6f98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8675b72d92fe0a72f67f6979cb9c58d0de8eb28bd179d888a6218618f9e4b049 [INFO] running `Command { std: "docker" "start" "-a" "8675b72d92fe0a72f67f6979cb9c58d0de8eb28bd179d888a6218618f9e4b049", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_dumb_tools v0.1.15 (/opt/rustwide/workdir) [INFO] [stdout] error: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/json.rs:174:40 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn new(json_entry_handler: Box<&mut dyn JsonEntryHandler>) -> DumbJsonProcessor { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/json.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(mismatched_lifetime_syntaxes)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 174 | pub fn new(json_entry_handler: Box<&mut dyn JsonEntryHandler>) -> DumbJsonProcessor<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: creating a mutable reference to mutable static [INFO] [stdout] --> src/progress.rs:663:13 [INFO] [stdout] | [INFO] [stdout] 663 | SINGLETON.write(RefCell::new(singleton)); [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] note: the lint level is defined here [INFO] [stdout] --> src/progress.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(static_mut_refs)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: creating a shared reference to mutable static [INFO] [stdout] --> src/progress.rs:667:9 [INFO] [stdout] | [INFO] [stdout] 667 | SINGLETON.assume_init_ref() [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] error: could not compile `rusty_dumb_tools` (lib) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "8675b72d92fe0a72f67f6979cb9c58d0de8eb28bd179d888a6218618f9e4b049", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8675b72d92fe0a72f67f6979cb9c58d0de8eb28bd179d888a6218618f9e4b049", kill_on_drop: false }` [INFO] [stdout] 8675b72d92fe0a72f67f6979cb9c58d0de8eb28bd179d888a6218618f9e4b049