[INFO] fetching crate gll 0.0.2...
[INFO] checking gll-0.0.2 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate gll 0.0.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gll 0.0.2 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gll 0.0.2
[INFO] finished tweaking crates.io crate gll 0.0.2
[INFO] tweaked toml for crates.io crate gll 0.0.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abcc4abbe6e6634f403b2ae2491fd48847ff696fc56e0ffdaca7b1104f42d47f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "abcc4abbe6e6634f403b2ae2491fd48847ff696fc56e0ffdaca7b1104f42d47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abcc4abbe6e6634f403b2ae2491fd48847ff696fc56e0ffdaca7b1104f42d47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abcc4abbe6e6634f403b2ae2491fd48847ff696fc56e0ffdaca7b1104f42d47f", kill_on_drop: false }`
[INFO] [stdout] abcc4abbe6e6634f403b2ae2491fd48847ff696fc56e0ffdaca7b1104f42d47f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beff7a2250d0cddeae26c9ba404a2df93e3a9aeed47fbb26f7aaf63e4d6a2380
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "beff7a2250d0cddeae26c9ba404a2df93e3a9aeed47fbb26f7aaf63e4d6a2380", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexing v0.3.2
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling gll v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/generate/rust.rs:1477:21
[INFO] [stdout]      |
[INFO] [stdout] 1477 | /                     write!(
[INFO] [stdout] 1478 | |                         s,
[INFO] [stdout] 1479 | |                         "{} _{}: {} => {},",
[INFO] [stdout] 1480 | |                         i,
[INFO] [stdout] ...    |
[INFO] [stdout] 1483 | |                         rule.generate_traverse_shape(true, parse_nodes)
[INFO] [stdout] 1484 | |                     );
[INFO] [stdout]      | |______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/generate/rust.rs:1486:17
[INFO] [stdout]      |
[INFO] [stdout] 1486 |                 write!(s, " }}");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime.rs:425:43
[INFO] [stdout]     |
[INFO] [stdout] 425 |     pub fn dump_graphviz(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime.rs:575:43
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn dump_graphviz(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime.rs:425:43
[INFO] [stdout]     |
[INFO] [stdout] 425 |     pub fn dump_graphviz(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/runtime.rs:575:43
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn dump_graphviz(&self, out: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/generate/rust.rs:1477:21
[INFO] [stdout]      |
[INFO] [stdout] 1477 | /                     write!(
[INFO] [stdout] 1478 | |                         s,
[INFO] [stdout] 1479 | |                         "{} _{}: {} => {},",
[INFO] [stdout] 1480 | |                         i,
[INFO] [stdout] ...    |
[INFO] [stdout] 1483 | |                         rule.generate_traverse_shape(true, parse_nodes)
[INFO] [stdout] 1484 | |                     );
[INFO] [stdout]      | |______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/generate/rust.rs:1486:17
[INFO] [stdout]      |
[INFO] [stdout] 1486 |                 write!(s, " }}");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/generate/rust.rs:1477:21
[INFO] [stdout]      |
[INFO] [stdout] 1477 | /                     write!(
[INFO] [stdout] 1478 | |                         s,
[INFO] [stdout] 1479 | |                         "{} _{}: {} => {},",
[INFO] [stdout] 1480 | |                         i,
[INFO] [stdout] ...    |
[INFO] [stdout] 1483 | |                         rule.generate_traverse_shape(true, parse_nodes)
[INFO] [stdout] 1484 | |                     );
[INFO] [stdout]      | |______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]     --> src/generate/rust.rs:1486:17
[INFO] [stdout]      |
[INFO] [stdout] 1486 |                 write!(s, " }}");
[INFO] [stdout]      |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.57s
[INFO] running `Command { std: "docker" "inspect" "beff7a2250d0cddeae26c9ba404a2df93e3a9aeed47fbb26f7aaf63e4d6a2380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beff7a2250d0cddeae26c9ba404a2df93e3a9aeed47fbb26f7aaf63e4d6a2380", kill_on_drop: false }`
[INFO] [stdout] beff7a2250d0cddeae26c9ba404a2df93e3a9aeed47fbb26f7aaf63e4d6a2380