[INFO] fetching crate frs 0.4.2...
[INFO] checking frs-0.4.2 against 1.95.0 for pr-155915
[INFO] extracting crate frs 0.4.2 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate frs 0.4.2
[INFO] finished tweaking crates.io crate frs 0.4.2
[INFO] tweaked toml for crates.io crate frs 0.4.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate frs 0.4.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate frs 0.4.2 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slab v0.4.3
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc5055e4038f82b96f6b2f9a3c4cf861fbc507b2af65467fae8599ee64970af7
[INFO] running `Command { std: "docker" "start" "-a" "bc5055e4038f82b96f6b2f9a3c4cf861fbc507b2af65467fae8599ee64970af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc5055e4038f82b96f6b2f9a3c4cf861fbc507b2af65467fae8599ee64970af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc5055e4038f82b96f6b2f9a3c4cf861fbc507b2af65467fae8599ee64970af7", kill_on_drop: false }`
[INFO] [stdout] bc5055e4038f82b96f6b2f9a3c4cf861fbc507b2af65467fae8599ee64970af7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0804f0c607b9f9c5593270e26c44bacdc4f33072016bf8e393d5ede29be58abc
[INFO] running `Command { std: "docker" "start" "-a" "0804f0c607b9f9c5593270e26c44bacdc4f33072016bf8e393d5ede29be58abc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
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[INFO] [stderr]     Checking concurrent-queue v1.2.2
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[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
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[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling memoffset v0.6.4
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling async-attributes v1.1.2
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[INFO] [stderr]    Compiling structopt-derive v0.4.14
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[INFO] [stderr]     Checking structopt v0.3.21
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[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking frs v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `collected_non_sleeping_double_recursive_stream` is never used
[INFO] [stdout]   --> src/utils/../../test-utils/select_map.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub async fn collected_non_sleeping_double_recursive_stream(base: u32) -> Vec<u32> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collected_non_sleeping_triple_recursive_stream` is never used
[INFO] [stdout]    --> src/utils/../../test-utils/select_map.rs:162:14
[INFO] [stdout]     |
[INFO] [stdout] 162 | pub async fn collected_non_sleeping_triple_recursive_stream(base: u32) -> Vec<u32> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collected_triple_recursive_stream` is never used
[INFO] [stdout]    --> src/utils/../../test-utils/select_map.rs:193:14
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub async fn collected_triple_recursive_stream(base: u32) -> Vec<u32> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "0804f0c607b9f9c5593270e26c44bacdc4f33072016bf8e393d5ede29be58abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0804f0c607b9f9c5593270e26c44bacdc4f33072016bf8e393d5ede29be58abc", kill_on_drop: false }`
[INFO] [stdout] 0804f0c607b9f9c5593270e26c44bacdc4f33072016bf8e393d5ede29be58abc
