[INFO] fetching crate data_reader 0.3.0... [INFO] testing data_reader-0.3.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate data_reader 0.3.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate data_reader 0.3.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate data_reader 0.3.0 [INFO] finished tweaking crates.io crate data_reader 0.3.0 [INFO] tweaked toml for crates.io crate data_reader 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 3a43689759ef87eb1e6128cb0a3277e01d2f0efc00fc13e7c961f09c2a0f1e50 [INFO] running `Command { std: "docker" "start" "-a" "3a43689759ef87eb1e6128cb0a3277e01d2f0efc00fc13e7c961f09c2a0f1e50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a43689759ef87eb1e6128cb0a3277e01d2f0efc00fc13e7c961f09c2a0f1e50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a43689759ef87eb1e6128cb0a3277e01d2f0efc00fc13e7c961f09c2a0f1e50", kill_on_drop: false }` [INFO] [stdout] 3a43689759ef87eb1e6128cb0a3277e01d2f0efc00fc13e7c961f09c2a0f1e50 [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f5f08299e517a76e5dab05cd2ac63f16e5aeb4f8cd303847acb1cdd902ea8725 [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" "f5f08299e517a76e5dab05cd2ac63f16e5aeb4f8cd303847acb1cdd902ea8725", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling static_assertions v0.3.4 [INFO] [stderr] Compiling bytecount v0.5.1 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling lexical v2.2.2 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Compiling backtrace v0.3.55 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling data_reader v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/reader/parser.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | (i - 1) [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.43s [INFO] running `Command { std: "docker" "inspect" "f5f08299e517a76e5dab05cd2ac63f16e5aeb4f8cd303847acb1cdd902ea8725", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5f08299e517a76e5dab05cd2ac63f16e5aeb4f8cd303847acb1cdd902ea8725", kill_on_drop: false }` [INFO] [stdout] f5f08299e517a76e5dab05cd2ac63f16e5aeb4f8cd303847acb1cdd902ea8725 [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2baa191e7f36b562af0dd5e4205b7b2d809a0d13a1687026c1050ef07c0bc55 [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" "d2baa191e7f36b562af0dd5e4205b7b2d809a0d13a1687026c1050ef07c0bc55", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.117 [INFO] [stderr] Compiling const_fn v0.4.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling serde_json v1.0.59 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/reader/parser.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | (i - 1) [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling tinytemplate v1.1.0 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling data_reader v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/reader/parser.rs:213:17 [INFO] [stdout] | [INFO] [stdout] 213 | (i - 1) [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 51.57s [INFO] running `Command { std: "docker" "inspect" "d2baa191e7f36b562af0dd5e4205b7b2d809a0d13a1687026c1050ef07c0bc55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2baa191e7f36b562af0dd5e4205b7b2d809a0d13a1687026c1050ef07c0bc55", kill_on_drop: false }` [INFO] [stdout] d2baa191e7f36b562af0dd5e4205b7b2d809a0d13a1687026c1050ef07c0bc55 [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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2f9508ef14a34cd894cfd061ae4b5bd3447804dd1b53e5b5f9f5e9579da9ff52 [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" "2f9508ef14a34cd894cfd061ae4b5bd3447804dd1b53e5b5f9f5e9579da9ff52", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/reader/parser.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | (i - 1) [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/reader/parser.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | (i - 1) [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/data_reader-bb6edbf419a91c97 [INFO] [stderr] Doc-tests data_reader [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] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/reader/parser.rs:213:17 [INFO] [stderr] | [INFO] [stderr] 213 | (i - 1) [INFO] [stderr] | ^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [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" "2f9508ef14a34cd894cfd061ae4b5bd3447804dd1b53e5b5f9f5e9579da9ff52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f9508ef14a34cd894cfd061ae4b5bd3447804dd1b53e5b5f9f5e9579da9ff52", kill_on_drop: false }` [INFO] [stdout] 2f9508ef14a34cd894cfd061ae4b5bd3447804dd1b53e5b5f9f5e9579da9ff52