[INFO] cloning repository https://github.com/sticnarf/adaptive-thread-pool [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sticnarf/adaptive-thread-pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fadaptive-thread-pool", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fadaptive-thread-pool'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0f6be2f84a3d7e1651712989bbef7c7d3ca14eb0 [INFO] checking sticnarf/adaptive-thread-pool against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fadaptive-thread-pool" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sticnarf/adaptive-thread-pool on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/sticnarf/adaptive-thread-pool [INFO] finished tweaking git repo https://github.com/sticnarf/adaptive-thread-pool [INFO] tweaked toml for git repo https://github.com/sticnarf/adaptive-thread-pool written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/sticnarf/adaptive-thread-pool already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-threadpool v0.1.16 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded cc v1.0.46 [INFO] [stderr] Downloaded backtrace v0.3.40 [INFO] [stderr] Downloaded crossbeam-channel v0.3.9 [INFO] [stderr] Downloaded js-sys v0.3.28 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.51 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded juliex v0.3.0-alpha.8 [INFO] [stderr] Downloaded histogram v0.6.9 [INFO] [stderr] Downloaded futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-select-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded proc-macro2 v1.0.6 [INFO] [stderr] Downloaded futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-join-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded syn v1.0.5 [INFO] [stderr] Downloaded heck v0.3.1 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded lock_api v0.3.1 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.51 [INFO] [stderr] Downloaded runtime v0.3.0-alpha.7 [INFO] [stderr] Downloaded unicode-segmentation v1.3.0 [INFO] [stderr] Downloaded futures-timer v1.0.2 [INFO] [stderr] Downloaded libc v0.2.65 [INFO] [stderr] Downloaded weedle v0.10.0 [INFO] [stderr] Downloaded arrayvec v0.4.12 [INFO] [stderr] Downloaded web-sys v0.3.28 [INFO] [stderr] Downloaded async-datagram v3.0.0 [INFO] [stderr] Downloaded runtime-attributes v0.3.0-alpha.6 [INFO] [stderr] Downloaded async-ready v3.0.0 [INFO] [stderr] Downloaded runtime-native v0.3.0-alpha.6 [INFO] [stderr] Downloaded runtime-raw v0.3.0-alpha.5 [INFO] [stderr] Downloaded romio v0.3.0-alpha.10 [INFO] [stderr] Downloaded nom v4.2.3 [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.51 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.3.27 [INFO] [stderr] Downloaded futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded nodrop v0.1.14 [INFO] [stderr] Downloaded futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded proc-macro-hack v0.5.11 [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded futures-preview v0.3.0-alpha.19 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded tokio-executor v0.1.8 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded backtrace-sys v0.1.32 [INFO] [stderr] Downloaded wasm-bindgen v0.2.51 [INFO] [stderr] Downloaded crossbeam v0.7.2 [INFO] [stderr] Downloaded smallvec v0.6.10 [INFO] [stderr] Downloaded sourcefile v0.1.4 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.51 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.51 [INFO] [stderr] Downloaded synstructure v0.12.1 [INFO] [stderr] Downloaded failure_derive v0.1.6 [INFO] [stderr] Downloaded bumpalo v2.6.0 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded failure v0.1.6 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] [stderr] Downloaded futures-timer v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d9dc2aface06bdfab3adfa2c111a93e97b37605268b77d0b76ee812c20d9ab26 [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" "d9dc2aface06bdfab3adfa2c111a93e97b37605268b77d0b76ee812c20d9ab26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9dc2aface06bdfab3adfa2c111a93e97b37605268b77d0b76ee812c20d9ab26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9dc2aface06bdfab3adfa2c111a93e97b37605268b77d0b76ee812c20d9ab26", kill_on_drop: false }` [INFO] [stdout] d9dc2aface06bdfab3adfa2c111a93e97b37605268b77d0b76ee812c20d9ab26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 050872f7c3894041d7cbee981dba80f64f57e15f94813d4990f7517ecbc07919 [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" "050872f7c3894041d7cbee981dba80f64f57e15f94813d4990f7517ecbc07919", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Checking async-ready v3.0.0 [INFO] [stderr] Checking async-datagram v3.0.0 [INFO] [stderr] Checking histogram v0.6.9 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking getrandom v0.1.12 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam v0.7.2 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling runtime-attributes v0.3.0-alpha.6 [INFO] [stderr] Compiling futures-join-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-select-macro-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-timer v1.0.2 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking juliex v0.3.0-alpha.8 [INFO] [stderr] Checking runtime-raw v0.3.0-alpha.5 [INFO] [stderr] Checking romio v0.3.0-alpha.10 [INFO] [stderr] Checking adaptive-spawn v0.1.0 (/opt/rustwide/workdir/adaptive-spawn) [INFO] [stderr] Checking tokio-impl v0.1.0 (/opt/rustwide/workdir/tokio-impl) [INFO] [stderr] Checking runtime-native v0.3.0-alpha.6 [INFO] [stderr] Checking runtime v0.3.0-alpha.7 [INFO] [stderr] Checking tester v0.1.0 (/opt/rustwide/workdir/tester) [INFO] [stdout] error[E0425]: cannot find function `init` in module `imp` [INFO] [stdout] --> tester/src/main.rs:111:22 [INFO] [stdout] | [INFO] [stdout] 111 | let spawn = imp::init(); [INFO] [stdout] | ^^^^ not found in `imp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> tester/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::hint::black_box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> tester/src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | black_box(black_box(x) % 257); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> tester/src/main.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | black_box(black_box(x) % 257); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `init` in module `imp` [INFO] [stdout] --> tester/src/main.rs:111:22 [INFO] [stdout] | [INFO] [stdout] 111 | let spawn = imp::init(); [INFO] [stdout] | ^^^^ not found in `imp` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> tester/src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::hint::black_box; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> tester/src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | black_box(black_box(x) % 257); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'bench_black_box' [INFO] [stdout] --> tester/src/main.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | black_box(black_box(x) % 257); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #64102 for more information [INFO] [stdout] = help: add `#![feature(bench_black_box)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0425, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tester` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "050872f7c3894041d7cbee981dba80f64f57e15f94813d4990f7517ecbc07919", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "050872f7c3894041d7cbee981dba80f64f57e15f94813d4990f7517ecbc07919", kill_on_drop: false }` [INFO] [stdout] 050872f7c3894041d7cbee981dba80f64f57e15f94813d4990f7517ecbc07919