[INFO] cloning repository https://github.com/beltegeuse/progressive-multijittered [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/beltegeuse/progressive-multijittered" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeltegeuse%2Fprogressive-multijittered", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeltegeuse%2Fprogressive-multijittered'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f9e8e1682faed186923567955670a59d130fb9fe [INFO] testing beltegeuse/progressive-multijittered against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbeltegeuse%2Fprogressive-multijittered" "/workspace/builds/worker-74/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/beltegeuse/progressive-multijittered on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/beltegeuse/progressive-multijittered [INFO] finished tweaking git repo https://github.com/beltegeuse/progressive-multijittered [INFO] tweaked toml for git repo https://github.com/beltegeuse/progressive-multijittered written to /workspace/builds/worker-74/source/Cargo.toml [INFO] crate git repo https://github.com/beltegeuse/progressive-multijittered already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6cf6e34daa9d94790603dd5138de01cf98232bf7a84ea6c28aa48e3003105484 [INFO] running `Command { std: "docker" "start" "-a" "6cf6e34daa9d94790603dd5138de01cf98232bf7a84ea6c28aa48e3003105484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cf6e34daa9d94790603dd5138de01cf98232bf7a84ea6c28aa48e3003105484", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cf6e34daa9d94790603dd5138de01cf98232bf7a84ea6c28aa48e3003105484", kill_on_drop: false }` [INFO] [stdout] 6cf6e34daa9d94790603dd5138de01cf98232bf7a84ea6c28aa48e3003105484 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74cc65c802288075dee20fa619f31b4a02ca1fefc1015943003d22cfffc56d3f [INFO] running `Command { std: "docker" "start" "-a" "74cc65c802288075dee20fa619f31b4a02ca1fefc1015943003d22cfffc56d3f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stderr] Compiling gnuplot v0.0.31 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling seq v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | (self.seq[self.index - 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: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | (self.seq[self.index - 1]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [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/main.rs:46:39 [INFO] [stdout] | [INFO] [stdout] 46 | let mut functions: Vec<(&str, Box, Vec<(f64, f64)>)> = vec![ [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 13s [INFO] running `Command { std: "docker" "inspect" "74cc65c802288075dee20fa619f31b4a02ca1fefc1015943003d22cfffc56d3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74cc65c802288075dee20fa619f31b4a02ca1fefc1015943003d22cfffc56d3f", kill_on_drop: false }` [INFO] [stdout] 74cc65c802288075dee20fa619f31b4a02ca1fefc1015943003d22cfffc56d3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e331c70044e2b7e29dd7b2dba378eda6f2f36e7512167cf9ae8821ec3463a794 [INFO] running `Command { std: "docker" "start" "-a" "e331c70044e2b7e29dd7b2dba378eda6f2f36e7512167cf9ae8821ec3463a794", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling seq v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | (self.seq[self.index - 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: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | (self.seq[self.index - 1]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | (self.seq[self.index - 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: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | (self.seq[self.index - 1]) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:46:39 [INFO] [stdout] | [INFO] [stdout] 46 | let mut functions: Vec<(&str, Box, Vec<(f64, f64)>)> = vec![ [INFO] [stdout] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "e331c70044e2b7e29dd7b2dba378eda6f2f36e7512167cf9ae8821ec3463a794", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e331c70044e2b7e29dd7b2dba378eda6f2f36e7512167cf9ae8821ec3463a794", kill_on_drop: false }` [INFO] [stdout] e331c70044e2b7e29dd7b2dba378eda6f2f36e7512167cf9ae8821ec3463a794 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 267cca64103c672e5d82ef5f0c063b006eb48811e936c30e0d6b5c98686a33de [INFO] running `Command { std: "docker" "start" "-a" "267cca64103c672e5d82ef5f0c063b006eb48811e936c30e0d6b5c98686a33de", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/lib.rs:273:13 [INFO] [stderr] | [INFO] [stderr] 273 | (self.seq[self.index - 1]) [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 block return value [INFO] [stderr] --> src/lib.rs:357:13 [INFO] [stderr] | [INFO] [stderr] 357 | (self.seq[self.index - 1]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: `seq` (lib) generated 2 warnings [INFO] [stderr] warning: `seq` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:46:39 [INFO] [stderr] | [INFO] [stderr] 46 | let mut functions: Vec<(&str, Box, Vec<(f64, f64)>)> = vec![ [INFO] [stderr] | ^^^^^^^^^ help: use `dyn`: `dyn Generator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `seq` (bin "seq" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/seq-936a0533609d6ad3) [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/seq-bb4a42f762205188) [INFO] [stdout] [INFO] [stderr] Doc-tests seq [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:273:13 [INFO] [stderr] | [INFO] [stderr] 273 | (self.seq[self.index - 1]) [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 block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:357:13 [INFO] [stderr] | [INFO] [stderr] 357 | (self.seq[self.index - 1]) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: 2 warnings 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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "267cca64103c672e5d82ef5f0c063b006eb48811e936c30e0d6b5c98686a33de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "267cca64103c672e5d82ef5f0c063b006eb48811e936c30e0d6b5c98686a33de", kill_on_drop: false }` [INFO] [stdout] 267cca64103c672e5d82ef5f0c063b006eb48811e936c30e0d6b5c98686a33de