[INFO] fetching crate gll 0.0.2... [INFO] checking gll-0.0.2 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387 [INFO] extracting crate gll 0.0.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate gll 0.0.2 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39fca06cd08946afc3b88a1baee00a203905b4be3b88a533d617fd51152a93f8 [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" "39fca06cd08946afc3b88a1baee00a203905b4be3b88a533d617fd51152a93f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39fca06cd08946afc3b88a1baee00a203905b4be3b88a533d617fd51152a93f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39fca06cd08946afc3b88a1baee00a203905b4be3b88a533d617fd51152a93f8", kill_on_drop: false }` [INFO] [stdout] 39fca06cd08946afc3b88a1baee00a203905b4be3b88a533d617fd51152a93f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7e0ee7ca9835b583ada99974db6e406e352e7794b710f3787653c75e3e31cb67 [INFO] running `Command { std: "docker" "start" "-a" "7e0ee7ca9835b583ada99974db6e406e352e7794b710f3787653c75e3e31cb67", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling indexing v0.3.2 [INFO] [stderr] Checking unicode-xid v0.1.0 [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 the macro `write` (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 the macro `write` (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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [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 the macro `write` (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 the macro `write` (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 the macro `write` (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 the macro `write` (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 9.63s [INFO] running `Command { std: "docker" "inspect" "7e0ee7ca9835b583ada99974db6e406e352e7794b710f3787653c75e3e31cb67", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e0ee7ca9835b583ada99974db6e406e352e7794b710f3787653c75e3e31cb67", kill_on_drop: false }` [INFO] [stdout] 7e0ee7ca9835b583ada99974db6e406e352e7794b710f3787653c75e3e31cb67