[INFO] cloning repository https://github.com/ebkalderon/merkle-tree-nix-store-thing [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ebkalderon/merkle-tree-nix-store-thing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febkalderon%2Fmerkle-tree-nix-store-thing", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febkalderon%2Fmerkle-tree-nix-store-thing'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca178b8e83d2a8e35f10e836d709be9306e99e1c [INFO] checking ebkalderon/merkle-tree-nix-store-thing against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Febkalderon%2Fmerkle-tree-nix-store-thing" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ebkalderon/merkle-tree-nix-store-thing on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ebkalderon/merkle-tree-nix-store-thing [INFO] finished tweaking git repo https://github.com/ebkalderon/merkle-tree-nix-store-thing [INFO] tweaked toml for git repo https://github.com/ebkalderon/merkle-tree-nix-store-thing written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/ebkalderon/merkle-tree-nix-store-thing already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "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] 5805a6053a516a43d0c648aa0295b0c949bd7c87d51dbc61ae2a4e14594dbd41 [INFO] running `Command { std: "docker" "start" "-a" "5805a6053a516a43d0c648aa0295b0c949bd7c87d51dbc61ae2a4e14594dbd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5805a6053a516a43d0c648aa0295b0c949bd7c87d51dbc61ae2a4e14594dbd41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5805a6053a516a43d0c648aa0295b0c949bd7c87d51dbc61ae2a4e14594dbd41", kill_on_drop: false }` [INFO] [stdout] 5805a6053a516a43d0c648aa0295b0c949bd7c87d51dbc61ae2a4e14594dbd41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8cfe582e1685c136195d1c1f022a572fe38754a6315b3bf9538cf5af70b3e301 [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" "8cfe582e1685c136195d1c1f022a572fe38754a6315b3bf9538cf5af70b3e301", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.48 [INFO] [stderr] Checking futures-core v0.3.7 [INFO] [stderr] Checking futures-sink v0.3.7 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking oorandom v11.1.2 [INFO] [stderr] Compiling tokio v0.3.3 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling blake3 v0.3.7 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking crossbeam-utils v0.8.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking futures-channel v0.3.7 [INFO] [stderr] Checking crossbeam-epoch v0.9.0 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Compiling serde_derive v1.0.117 [INFO] [stderr] Compiling pin-project-internal v1.0.1 [INFO] [stderr] Compiling futures-macro v0.3.7 [INFO] [stderr] Checking pin-project v1.0.1 [INFO] [stderr] Checking futures-util v0.3.7 [INFO] [stderr] Checking serde v1.0.117 [INFO] [stderr] Checking futures-executor v0.3.7 [INFO] [stderr] Checking futures v0.3.7 [INFO] [stderr] Checking serde_json v1.0.59 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking smol_str v0.1.17 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Checking tinytemplate v1.1.0 [INFO] [stderr] Checking foo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: constant is never used: `DEFAULT_CHUNK_SIZE` [INFO] [stdout] --> src/remote/chunker.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | const DEFAULT_CHUNK_SIZE: usize = 64 * 1024; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/remote/chunker.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new() -> (Self, Pin + Send + Sync>>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_max_size` [INFO] [stdout] --> src/remote/chunker.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn with_max_size(cap: usize) -> (Self, Pin + Send + Sync>>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DEFAULT_CHUNK_SIZE` [INFO] [stdout] --> src/remote/chunker.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | const DEFAULT_CHUNK_SIZE: usize = 64 * 1024; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/remote/chunker.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new() -> (Self, Pin + Send + Sync>>) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `with_max_size` [INFO] [stdout] --> src/remote/chunker.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn with_max_size(cap: usize) -> (Self, Pin + Send + Sync>>) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "8cfe582e1685c136195d1c1f022a572fe38754a6315b3bf9538cf5af70b3e301", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cfe582e1685c136195d1c1f022a572fe38754a6315b3bf9538cf5af70b3e301", kill_on_drop: false }` [INFO] [stdout] 8cfe582e1685c136195d1c1f022a572fe38754a6315b3bf9538cf5af70b3e301