[INFO] updating cached repository https://github.com/errorport/rustbeat [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] df6a90a0a152ae7a5a66c994f15794631328a7a6 [INFO] testing errorport/rustbeat 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%2Ferrorport%2Frustbeat" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. 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[INFO] validating manifest of git repo https://github.com/errorport/rustbeat 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/errorport/rustbeat [INFO] finished tweaking git repo https://github.com/errorport/rustbeat [INFO] tweaked toml for git repo https://github.com/errorport/rustbeat written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/errorport/rustbeat 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] bc1a89d32deef3d1ed9e14c58dbf098fb98606eb9833b83abe22acd5968d7d1e [INFO] running `Command { std: "docker" "start" "-a" "bc1a89d32deef3d1ed9e14c58dbf098fb98606eb9833b83abe22acd5968d7d1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc1a89d32deef3d1ed9e14c58dbf098fb98606eb9833b83abe22acd5968d7d1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc1a89d32deef3d1ed9e14c58dbf098fb98606eb9833b83abe22acd5968d7d1e", kill_on_drop: false }` [INFO] [stdout] bc1a89d32deef3d1ed9e14c58dbf098fb98606eb9833b83abe22acd5968d7d1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 231c3620197d09ea187aed4ca6a27007537966d6bdd2e33a097d18220c30ce95 [INFO] running `Command { std: "docker" "start" "-a" "231c3620197d09ea187aed4ca6a27007537966d6bdd2e33a097d18220c30ce95", kill_on_drop: false }` [INFO] [stderr] Compiling deep_unknown v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | t+=(increment[increment_index] as i64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut rng = thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | let mut s: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | let mut s: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:44:6 [INFO] [stdout] | [INFO] [stdout] 44 | let mut s: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut rng = thread_rng(); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.07s [INFO] running `Command { std: "docker" "inspect" "231c3620197d09ea187aed4ca6a27007537966d6bdd2e33a097d18220c30ce95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "231c3620197d09ea187aed4ca6a27007537966d6bdd2e33a097d18220c30ce95", kill_on_drop: false }` [INFO] [stdout] 231c3620197d09ea187aed4ca6a27007537966d6bdd2e33a097d18220c30ce95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8ceae91154469a580f58294fafbfb333a24ee07925ea84d2d4784d5280c08036 [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" "8ceae91154469a580f58294fafbfb333a24ee07925ea84d2d4784d5280c08036", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling deep_unknown v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:18:6 [INFO] [stdout] | [INFO] [stdout] 18 | t+=(increment[increment_index] as i64); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut rng = thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | let mut s: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | let mut s: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/main.rs:44:6 [INFO] [stdout] | [INFO] [stdout] 44 | let mut s: i64 = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | let mut rng = thread_rng(); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.77s [INFO] running `Command { std: "docker" "inspect" "8ceae91154469a580f58294fafbfb333a24ee07925ea84d2d4784d5280c08036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ceae91154469a580f58294fafbfb333a24ee07925ea84d2d4784d5280c08036", kill_on_drop: false }` [INFO] [stdout] 8ceae91154469a580f58294fafbfb333a24ee07925ea84d2d4784d5280c08036 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e0f3fc95a46e4b0d4ebeb137a7e816e6836a3e22f2f88e0f3d9351eeed89f4b4 [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" "e0f3fc95a46e4b0d4ebeb137a7e816e6836a3e22f2f88e0f3d9351eeed89f4b4", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/main.rs:18:6 [INFO] [stderr] | [INFO] [stderr] 18 | t+=(increment[increment_index] as i64); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `rng` [INFO] [stderr] --> src/main.rs:6:6 [INFO] [stderr] | [INFO] [stderr] 6 | let mut rng = thread_rng(); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> src/main.rs:32:6 [INFO] [stderr] | [INFO] [stderr] 32 | let mut s: i64 = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> src/main.rs:38:6 [INFO] [stderr] | [INFO] [stderr] 38 | let mut s: i64 = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> src/main.rs:44:6 [INFO] [stderr] | [INFO] [stderr] 44 | let mut s: i64 = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:6:6 [INFO] [stderr] | [INFO] [stderr] 6 | let mut rng = thread_rng(); [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: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/deep_unknown-890e622778951489 [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" "e0f3fc95a46e4b0d4ebeb137a7e816e6836a3e22f2f88e0f3d9351eeed89f4b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0f3fc95a46e4b0d4ebeb137a7e816e6836a3e22f2f88e0f3d9351eeed89f4b4", kill_on_drop: false }` [INFO] [stdout] e0f3fc95a46e4b0d4ebeb137a7e816e6836a3e22f2f88e0f3d9351eeed89f4b4