[INFO] cloning repository https://github.com/lochbrunner/rust-hacks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochbrunner/rust-hacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks/objects/pack: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/lochbrunner/rust-hacks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochbrunner/rust-hacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks'... [INFO] [stderr] error: failed to write new configuration file /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks/config.lock [INFO] [stderr] fatal: could not set 'core.filemode' to 'true' [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/lochbrunner/rust-hacks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochbrunner/rust-hacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-rebase.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks/hooks/pre-rebase.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/lochbrunner/rust-hacks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochbrunner/rust-hacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/lochbrunner/rust-hacks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochbrunner/rust-hacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/lochbrunner/rust-hacks [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lochbrunner/rust-hacks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04a14e80469215a2b365dd3d60ca86a6520cd2ad [INFO] testing lochbrunner/rust-hacks against master#552a959051cebf8f88a8f558399baf733bec9ce0 for pr-136932 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flochbrunner%2Frust-hacks" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lochbrunner/rust-hacks on toolchain 552a959051cebf8f88a8f558399baf733bec9ce0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lochbrunner/rust-hacks [INFO] finished tweaking git repo https://github.com/lochbrunner/rust-hacks [INFO] tweaked toml for git repo https://github.com/lochbrunner/rust-hacks written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/lochbrunner/rust-hacks already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8b39f2aa6ab4349760457ee8d136670b24529776f294f19e83425507e401b694 [INFO] running `Command { std: "docker" "start" "-a" "8b39f2aa6ab4349760457ee8d136670b24529776f294f19e83425507e401b694", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8b39f2aa6ab4349760457ee8d136670b24529776f294f19e83425507e401b694", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8b39f2aa6ab4349760457ee8d136670b24529776f294f19e83425507e401b694", kill_on_drop: false }` [INFO] [stdout] 8b39f2aa6ab4349760457ee8d136670b24529776f294f19e83425507e401b694 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d141fc0ff6d454c8cc406aafe9ba7f577647529eec1a794c1dea09019e54f391 [INFO] running `Command { std: "docker" "start" "-a" "d141fc0ff6d454c8cc406aafe9ba7f577647529eec1a794c1dea09019e54f391", kill_on_drop: false }` [INFO] [stderr] Compiling rust-hacks v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Filter` and `Map` [INFO] [stdout] --> src/sample_map.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::{Filter, Iterator, Map}; [INFO] [stdout] | ^^^^^^ ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/sample_map.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | type P = FnMut() -> S; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 16 | type P = dyn FnMut() -> S; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/sample_map.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | let s = self.s.iter().nth(0).unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/cross_join.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 15 | / impl<'a, R, L> CrossJoin<'a, R, L> [INFO] [stdout] 16 | | where [INFO] [stdout] 17 | | L: Iterator + Sized, [INFO] [stdout] | |________________________- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn new(left_iter: L, samples: &'a [R]) -> CrossJoin<'a, R, L> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `CrossJoinTrait` is never used [INFO] [stdout] --> src/cross_join.rs:75:11 [INFO] [stdout] | [INFO] [stdout] 75 | pub trait CrossJoinTrait: Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `LearnTrait` is never used [INFO] [stdout] --> src/learn_iter.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | pub trait LearnTrait: Iterator { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/sample_map.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 10 | impl<'a, I, F, S> SampleMap<'a, I, F, S> { [INFO] [stdout] | ---------------------------------------- associated function in this implementation [INFO] [stdout] 11 | pub(super) fn new(iter: I, f: F, s: &'a [S]) -> SampleMap<'a, I, F, S> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `P` is never used [INFO] [stdout] --> src/sample_map.rs:16:6 [INFO] [stdout] | [INFO] [stdout] 16 | type P = FnMut() -> S; [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `SampleMapTrait` is never used [INFO] [stdout] --> src/sample_map.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait SampleMapTrait: Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "d141fc0ff6d454c8cc406aafe9ba7f577647529eec1a794c1dea09019e54f391", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d141fc0ff6d454c8cc406aafe9ba7f577647529eec1a794c1dea09019e54f391", kill_on_drop: false }` [INFO] [stdout] d141fc0ff6d454c8cc406aafe9ba7f577647529eec1a794c1dea09019e54f391 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+552a959051cebf8f88a8f558399baf733bec9ce0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/86ff28e214c49804163adede12caf0b4e94a37e2b8dc84f16085a112a5a83b6a: no space left on device