[INFO] updating cached repository https://github.com/cstorey/gll-experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31e529f404d371a044cef55fdd449c6989a52c18 [INFO] testing cstorey/gll-experiments against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcstorey%2Fgll-experiments" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cstorey/gll-experiments on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cstorey/gll-experiments [INFO] finished tweaking git repo https://github.com/cstorey/gll-experiments [INFO] tweaked toml for git repo https://github.com/cstorey/gll-experiments written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/cstorey/gll-experiments already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7282372eced788488ac3f4ea21532d162bdcc083a3f0867bcd8a0075999ab97f [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" "7282372eced788488ac3f4ea21532d162bdcc083a3f0867bcd8a0075999ab97f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7282372eced788488ac3f4ea21532d162bdcc083a3f0867bcd8a0075999ab97f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7282372eced788488ac3f4ea21532d162bdcc083a3f0867bcd8a0075999ab97f", kill_on_drop: false }` [INFO] [stdout] 7282372eced788488ac3f4ea21532d162bdcc083a3f0867bcd8a0075999ab97f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 03b7dd9d30bb3d15d126ce03e8277e89e60871da4cd3fed476ec5babf393ed66 [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" "03b7dd9d30bb3d15d126ce03e8277e89e60871da4cd3fed476ec5babf393ed66", kill_on_drop: false }` [INFO] [stderr] Compiling gll-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Stack` [INFO] [stdout] --> src/main.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | type Stack = VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.92s [INFO] running `Command { std: "docker" "inspect" "03b7dd9d30bb3d15d126ce03e8277e89e60871da4cd3fed476ec5babf393ed66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03b7dd9d30bb3d15d126ce03e8277e89e60871da4cd3fed476ec5babf393ed66", kill_on_drop: false }` [INFO] [stdout] 03b7dd9d30bb3d15d126ce03e8277e89e60871da4cd3fed476ec5babf393ed66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f82d1dc14707eca5b4ff92f198bcb9072dc60c1877bff83d2e23b44f4334466f [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" "f82d1dc14707eca5b4ff92f198bcb9072dc60c1877bff83d2e23b44f4334466f", kill_on_drop: false }` [INFO] [stderr] Compiling gll-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Stack` [INFO] [stdout] --> src/main.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | type Stack = VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.81s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f82d1dc14707eca5b4ff92f198bcb9072dc60c1877bff83d2e23b44f4334466f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f82d1dc14707eca5b4ff92f198bcb9072dc60c1877bff83d2e23b44f4334466f", kill_on_drop: false }` [INFO] [stdout] f82d1dc14707eca5b4ff92f198bcb9072dc60c1877bff83d2e23b44f4334466f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fe78d2c12016df2233bf2d0341edbe9525d88bbd4766540d7c14bb0a0fe39f8f [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" "fe78d2c12016df2233bf2d0341edbe9525d88bbd4766540d7c14bb0a0fe39f8f", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:102:17 [INFO] [stderr] | [INFO] [stderr] 102 | let mut fromv = self.gss.entry(v).or_insert_with(BTreeSet::new); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Stack` [INFO] [stderr] --> src/main.rs:42:1 [INFO] [stderr] | [INFO] [stderr] 42 | type Stack = VecDeque; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/gll_examples-3ad4879df7b0ef51 [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test rejects_z ... ok [INFO] [stdout] test recognises_empty_string ... ok [INFO] [stdout] test recognises_b ... ok [INFO] [stdout] test rejects_aadz ... ok [INFO] [stdout] test recognises_aad ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fe78d2c12016df2233bf2d0341edbe9525d88bbd4766540d7c14bb0a0fe39f8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe78d2c12016df2233bf2d0341edbe9525d88bbd4766540d7c14bb0a0fe39f8f", kill_on_drop: false }` [INFO] [stdout] fe78d2c12016df2233bf2d0341edbe9525d88bbd4766540d7c14bb0a0fe39f8f