[INFO] cloning repository https://github.com/brson/piddle [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/piddle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 740fc3718248a4cfc59df356c26209eb5f321494 [INFO] checking brson/piddle against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/brson/piddle [INFO] finished tweaking git repo https://github.com/brson/piddle [INFO] tweaked toml for git repo https://github.com/brson/piddle written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/brson/piddle on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/brson/piddle 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--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] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking brson/piddle against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Fpiddle" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/brson/piddle [INFO] finished tweaking git repo https://github.com/brson/piddle [INFO] tweaked toml for git repo https://github.com/brson/piddle written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/brson/piddle on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/brson/piddle 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.43 [INFO] [stderr] Downloaded minimal-lexical v0.1.2 [INFO] [stderr] Downloaded fd-lock v3.0.0 [INFO] [stderr] Downloaded string-interner v0.13.0 [INFO] [stderr] Downloaded rustyline v9.0.0 [INFO] [stderr] Downloaded nix v0.22.1 [INFO] [stderr] Downloaded structopt-derive v0.4.15 [INFO] [stderr] Downloaded structopt v0.3.22 [INFO] [stderr] Downloaded ahash v0.7.4 [INFO] [stderr] Downloaded clipboard-win v4.2.1 [INFO] [stderr] Downloaded utf8parse v0.2.0 [INFO] [stderr] Downloaded hecs v0.6.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f57b4a34872b8fd9009ae49324039bba46e686f57c42ac029997fdbdfd10771f [INFO] running `Command { std: "docker" "start" "-a" "f57b4a34872b8fd9009ae49324039bba46e686f57c42ac029997fdbdfd10771f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f57b4a34872b8fd9009ae49324039bba46e686f57c42ac029997fdbdfd10771f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f57b4a34872b8fd9009ae49324039bba46e686f57c42ac029997fdbdfd10771f", kill_on_drop: false }` [INFO] [stdout] f57b4a34872b8fd9009ae49324039bba46e686f57c42ac029997fdbdfd10771f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 41fd387855ebe2f872e9afbf00fa189e74502ca4e0e9e88a3f3d68768f2aa6f8 [INFO] running `Command { std: "docker" "start" "-a" "41fd387855ebe2f872e9afbf00fa189e74502ca4e0e9e88a3f3d68768f2aa6f8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling ahash v0.7.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling minimal-lexical v0.1.2 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling nom v7.0.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking fd-lock v3.0.0 [INFO] [stderr] Checking nix v0.22.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking hecs v0.6.4 [INFO] [stderr] Checking string-interner v0.13.0 [INFO] [stderr] Checking rustyline v9.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking thiserror v1.0.26 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Checking piddle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | drop(from_module_ctxt); [INFO] [stdout] | ^^^^^----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 140 - drop(from_module_ctxt); [INFO] [stdout] 140 + let _ = from_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | drop(from_module_ctxt); [INFO] [stdout] | ^^^^^----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 166 - drop(from_module_ctxt); [INFO] [stdout] 166 + let _ = from_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | drop(from_module_ctxt); [INFO] [stdout] | ^^^^^----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 173 - drop(from_module_ctxt); [INFO] [stdout] 173 + let _ = from_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | drop(module_ctxt); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 202 - drop(module_ctxt); [INFO] [stdout] 202 + let _ = module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | drop(module_ctxt); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 224 - drop(module_ctxt); [INFO] [stdout] 224 + let _ = module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | drop(other_module_ctxt); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 231 - drop(other_module_ctxt); [INFO] [stdout] 231 + let _ = other_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | drop(other_module_ctxt); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 246 - drop(other_module_ctxt); [INFO] [stdout] 246 + let _ = other_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | drop(other_module_ctxt); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 261 - drop(other_module_ctxt); [INFO] [stdout] 261 + let _ = other_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:140:17 [INFO] [stdout] | [INFO] [stdout] 140 | drop(from_module_ctxt); [INFO] [stdout] | ^^^^^----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 140 - drop(from_module_ctxt); [INFO] [stdout] 140 + let _ = from_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:166:5 [INFO] [stdout] | [INFO] [stdout] 166 | drop(from_module_ctxt); [INFO] [stdout] | ^^^^^----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 166 - drop(from_module_ctxt); [INFO] [stdout] 166 + let _ = from_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:173:17 [INFO] [stdout] | [INFO] [stdout] 173 | drop(from_module_ctxt); [INFO] [stdout] | ^^^^^----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 173 - drop(from_module_ctxt); [INFO] [stdout] 173 + let _ = from_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:202:9 [INFO] [stdout] | [INFO] [stdout] 202 | drop(module_ctxt); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 202 - drop(module_ctxt); [INFO] [stdout] 202 + let _ = module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:224:9 [INFO] [stdout] | [INFO] [stdout] 224 | drop(module_ctxt); [INFO] [stdout] | ^^^^^-----------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 224 - drop(module_ctxt); [INFO] [stdout] 224 + let _ = module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:231:13 [INFO] [stdout] | [INFO] [stdout] 231 | drop(other_module_ctxt); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 231 - drop(other_module_ctxt); [INFO] [stdout] 231 + let _ = other_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:246:9 [INFO] [stdout] | [INFO] [stdout] 246 | drop(other_module_ctxt); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 246 - drop(other_module_ctxt); [INFO] [stdout] 246 + let _ = other_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/compiler.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | drop(other_module_ctxt); [INFO] [stdout] | ^^^^^-----------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut ModuleContext` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 261 - drop(other_module_ctxt); [INFO] [stdout] 261 + let _ = other_module_ctxt; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s [INFO] running `Command { std: "docker" "inspect" "41fd387855ebe2f872e9afbf00fa189e74502ca4e0e9e88a3f3d68768f2aa6f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41fd387855ebe2f872e9afbf00fa189e74502ca4e0e9e88a3f3d68768f2aa6f8", kill_on_drop: false }` [INFO] [stdout] 41fd387855ebe2f872e9afbf00fa189e74502ca4e0e9e88a3f3d68768f2aa6f8