[INFO] updating cached repository https://github.com/jme/shannon-rust [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] 76ba2b0482e1db95551fa0c0bc7e804c6cdc94d8 [INFO] testing jme/shannon-rust 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%2Fjme%2Fshannon-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jme/shannon-rust 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/jme/shannon-rust [INFO] finished tweaking git repo https://github.com/jme/shannon-rust [INFO] tweaked toml for git repo https://github.com/jme/shannon-rust written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jme/shannon-rust 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] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d2d610cd61425c8c75270f2f895a76cea2e9fc96ec1cdcde2a676c734ebeb81a [INFO] running `Command { std: "docker" "start" "-a" "d2d610cd61425c8c75270f2f895a76cea2e9fc96ec1cdcde2a676c734ebeb81a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2d610cd61425c8c75270f2f895a76cea2e9fc96ec1cdcde2a676c734ebeb81a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2d610cd61425c8c75270f2f895a76cea2e9fc96ec1cdcde2a676c734ebeb81a", kill_on_drop: false }` [INFO] [stdout] d2d610cd61425c8c75270f2f895a76cea2e9fc96ec1cdcde2a676c734ebeb81a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 72c2e548465bead1eaa1a45b35a60ebb14dc36a4f51f9b26306b093e8312ef24 [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" "72c2e548465bead1eaa1a45b35a60ebb14dc36a4f51f9b26306b093e8312ef24", kill_on_drop: false }` [INFO] [stderr] Compiling shannon v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:86:42 [INFO] [stdout] | [INFO] [stdout] 86 | ... .fold( (0.0 as f64), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:91:49 [INFO] [stdout] | [INFO] [stdout] 91 | ... .fold( (0.0 as f64), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:92:66 [INFO] [stdout] | [INFO] [stdout] 92 | ... |a, b| a + fproc((*b as f64), [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:142:37 [INFO] [stdout] | [INFO] [stdout] 142 | ... .fold( (0.0 as f64), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:143:61 [INFO] [stdout] | [INFO] [stdout] 143 | ... |a, (_, val)| a + fproc((*val as f64), [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/main.rs:69:6 [INFO] [stdout] | [INFO] [stdout] 69 | 0f64 => 0f64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(illegal_floating_point_literal_pattern)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/main.rs:69:6 [INFO] [stdout] | [INFO] [stdout] 69 | 0f64 => 0f64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `Command { std: "docker" "inspect" "72c2e548465bead1eaa1a45b35a60ebb14dc36a4f51f9b26306b093e8312ef24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72c2e548465bead1eaa1a45b35a60ebb14dc36a4f51f9b26306b093e8312ef24", kill_on_drop: false }` [INFO] [stdout] 72c2e548465bead1eaa1a45b35a60ebb14dc36a4f51f9b26306b093e8312ef24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] c8ae06b9d6d21e0ba1e75f4d4243edb8466ce4f39bf4d07b066425c3633eb61d [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" "c8ae06b9d6d21e0ba1e75f4d4243edb8466ce4f39bf4d07b066425c3633eb61d", kill_on_drop: false }` [INFO] [stderr] Compiling shannon v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:86:42 [INFO] [stdout] | [INFO] [stdout] 86 | ... .fold( (0.0 as f64), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:91:49 [INFO] [stdout] | [INFO] [stdout] 91 | ... .fold( (0.0 as f64), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:92:66 [INFO] [stdout] | [INFO] [stdout] 92 | ... |a, b| a + fproc((*b as f64), [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around method argument [INFO] [stdout] --> src/main.rs:142:37 [INFO] [stdout] | [INFO] [stdout] 142 | ... .fold( (0.0 as f64), [INFO] [stdout] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:143:61 [INFO] [stdout] | [INFO] [stdout] 143 | ... |a, (_, val)| a + fproc((*val as f64), [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/main.rs:69:6 [INFO] [stdout] | [INFO] [stdout] 69 | 0f64 => 0f64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(illegal_floating_point_literal_pattern)]` 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 a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: floating-point types cannot be used in patterns [INFO] [stdout] --> src/main.rs:69:6 [INFO] [stdout] | [INFO] [stdout] 69 | 0f64 => 0f64, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #41620 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.72s [INFO] running `Command { std: "docker" "inspect" "c8ae06b9d6d21e0ba1e75f4d4243edb8466ce4f39bf4d07b066425c3633eb61d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8ae06b9d6d21e0ba1e75f4d4243edb8466ce4f39bf4d07b066425c3633eb61d", kill_on_drop: false }` [INFO] [stdout] c8ae06b9d6d21e0ba1e75f4d4243edb8466ce4f39bf4d07b066425c3633eb61d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5f2f0c85cdd1c054aa838a01cde3a6cbde8cea58032ea7a9628cbac70e6670ff [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" "5f2f0c85cdd1c054aa838a01cde3a6cbde8cea58032ea7a9628cbac70e6670ff", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:86:42 [INFO] [stderr] | [INFO] [stderr] 86 | ... .fold( (0.0 as f64), [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:91:49 [INFO] [stderr] | [INFO] [stderr] 91 | ... .fold( (0.0 as f64), [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:92:66 [INFO] [stderr] | [INFO] [stderr] 92 | ... |a, b| a + fproc((*b as f64), [INFO] [stderr] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around method argument [INFO] [stderr] --> src/main.rs:142:37 [INFO] [stderr] | [INFO] [stderr] 142 | ... .fold( (0.0 as f64), [INFO] [stderr] | ^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/main.rs:143:61 [INFO] [stderr] | [INFO] [stderr] 143 | ... |a, (_, val)| a + fproc((*val as f64), [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: floating-point types cannot be used in patterns [INFO] [stderr] --> src/main.rs:69:6 [INFO] [stderr] | [INFO] [stderr] 69 | 0f64 => 0f64, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #41620 [INFO] [stderr] [INFO] [stderr] warning: floating-point types cannot be used in patterns [INFO] [stderr] --> src/main.rs:69:6 [INFO] [stderr] | [INFO] [stderr] 69 | 0f64 => 0f64, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #41620 [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/shannon-2535565cc2304059 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5f2f0c85cdd1c054aa838a01cde3a6cbde8cea58032ea7a9628cbac70e6670ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f2f0c85cdd1c054aa838a01cde3a6cbde8cea58032ea7a9628cbac70e6670ff", kill_on_drop: false }` [INFO] [stdout] 5f2f0c85cdd1c054aa838a01cde3a6cbde8cea58032ea7a9628cbac70e6670ff