[INFO] crate byte-mutator 0.2.0 is already in cache [INFO] testing byte-mutator-0.2.0 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate byte-mutator 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate byte-mutator 0.2.0 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 crates.io crate byte-mutator 0.2.0 [INFO] finished tweaking crates.io crate byte-mutator 0.2.0 [INFO] tweaked toml for crates.io crate byte-mutator 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b67d4d399d2c255354782cae802b9d8e3b0b69e14ad12d96edf91abc41f7436f [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" "b67d4d399d2c255354782cae802b9d8e3b0b69e14ad12d96edf91abc41f7436f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b67d4d399d2c255354782cae802b9d8e3b0b69e14ad12d96edf91abc41f7436f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b67d4d399d2c255354782cae802b9d8e3b0b69e14ad12d96edf91abc41f7436f", kill_on_drop: false }` [INFO] [stdout] b67d4d399d2c255354782cae802b9d8e3b0b69e14ad12d96edf91abc41f7436f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 29ec90bff9e2e3aae41ed554ef37dfbcb9e7640b411ce5f132189769eb6befd6 [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" "29ec90bff9e2e3aae41ed554ef37dfbcb9e7640b411ce5f132189769eb6befd6", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.5.1 [INFO] [stderr] Compiling byte-mutator v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Iterations` [INFO] [stdout] --> src/fuzz_config.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{Iterations, Stage}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 1.66s [INFO] running `Command { std: "docker" "inspect" "29ec90bff9e2e3aae41ed554ef37dfbcb9e7640b411ce5f132189769eb6befd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "29ec90bff9e2e3aae41ed554ef37dfbcb9e7640b411ce5f132189769eb6befd6", kill_on_drop: false }` [INFO] [stdout] 29ec90bff9e2e3aae41ed554ef37dfbcb9e7640b411ce5f132189769eb6befd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 10bf36852933746ce9190e8011ae6219dc98777c095a2a5ec655d7c66bb868fe [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" "10bf36852933746ce9190e8011ae6219dc98777c095a2a5ec655d7c66bb868fe", kill_on_drop: false }` [INFO] [stderr] Compiling byte-mutator v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Iterations` [INFO] [stdout] --> src/fuzz_config.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{Iterations, Stage}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Iterations` [INFO] [stdout] --> src/fuzz_config.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::{Iterations, Stage}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/tests.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut mutator = ByteMutator::new().with_stages(vec![Stage { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.56s [INFO] running `Command { std: "docker" "inspect" "10bf36852933746ce9190e8011ae6219dc98777c095a2a5ec655d7c66bb868fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10bf36852933746ce9190e8011ae6219dc98777c095a2a5ec655d7c66bb868fe", kill_on_drop: false }` [INFO] [stdout] 10bf36852933746ce9190e8011ae6219dc98777c095a2a5ec655d7c66bb868fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 88ff7a1926932105e2a5558afba171b023cb69840ba5552db8cc714e0aa25779 [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" "88ff7a1926932105e2a5558afba171b023cb69840ba5552db8cc714e0aa25779", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Iterations` [INFO] [stderr] --> src/fuzz_config.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::{Iterations, Stage}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `Iterations` [INFO] [stderr] --> src/fuzz_config.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::{Iterations, Stage}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/tests.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut mutator = ByteMutator::new().with_stages(vec![Stage { [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: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/byte_mutator-d4691e679353141b [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test undo_buffer::tests::mutate_and_reset ... ok [INFO] [stdout] test undo_buffer::tests::mutate_reset_range ... ok [INFO] [stdout] test fuzz_config::tests::config_from_string ... ok [INFO] [stdout] test tests::mutator_stage ... ok [INFO] [stdout] test fuzz_config::tests::config_from_file ... ok [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tests-69ae71af6fdbe165 [INFO] [stdout] test mutators::bitflipper::tests::flip_bit ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Doc-tests byte-mutator [INFO] [stdout] test mutator_from_config ... ok [INFO] [stdout] test mutator ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 7) ... ok [INFO] [stdout] test src/mutators/mod.rs - mutators (line 4) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "88ff7a1926932105e2a5558afba171b023cb69840ba5552db8cc714e0aa25779", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88ff7a1926932105e2a5558afba171b023cb69840ba5552db8cc714e0aa25779", kill_on_drop: false }` [INFO] [stdout] 88ff7a1926932105e2a5558afba171b023cb69840ba5552db8cc714e0aa25779