[INFO] fetching crate pipe 0.4.0... [INFO] checking pipe-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate pipe 0.4.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate pipe 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pipe 0.4.0 [INFO] finished tweaking crates.io crate pipe 0.4.0 [INFO] tweaked toml for crates.io crate pipe 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding os_pipe v0.9.2 (latest: v1.1.5) [INFO] [stderr] Adding readwrite v0.1.2 (latest: v0.2.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded readwrite v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dde7ce31b1c58a799d424eb955dc72422b962da6e9c20489239e58a63b6df356 [INFO] running `Command { std: "docker" "start" "-a" "dde7ce31b1c58a799d424eb955dc72422b962da6e9c20489239e58a63b6df356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dde7ce31b1c58a799d424eb955dc72422b962da6e9c20489239e58a63b6df356", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dde7ce31b1c58a799d424eb955dc72422b962da6e9c20489239e58a63b6df356", kill_on_drop: false }` [INFO] [stdout] dde7ce31b1c58a799d424eb955dc72422b962da6e9c20489239e58a63b6df356 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e576ac119fd4ab6a0ef46ec990e9ebcbe39d7ed34d11b782ca72be7306ca85ed [INFO] running `Command { std: "docker" "start" "-a" "e576ac119fd4ab6a0ef46ec990e9ebcbe39d7ed34d11b782ca72be7306ca85ed", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking os_pipe v0.9.2 [INFO] [stderr] Checking pipe v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/lib.rs:324:19 [INFO] [stdout] | [INFO] [stdout] 324 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] 325 | use super::*; [INFO] [stdout] | -------- the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/lib.rs:324:25 [INFO] [stdout] | [INFO] [stdout] 324 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 325 | use super::*; [INFO] [stdout] | -------- the item `Write` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/pipe.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use criterion::{black_box, Bencher, Criterion, ParameterizedBenchmark, Throughput}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/pipe.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let bench = ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/pipe.rs:65:7 [INFO] [stdout] | [INFO] [stdout] 65 | c.bench("pipe_send", bench); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s [INFO] running `Command { std: "docker" "inspect" "e576ac119fd4ab6a0ef46ec990e9ebcbe39d7ed34d11b782ca72be7306ca85ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e576ac119fd4ab6a0ef46ec990e9ebcbe39d7ed34d11b782ca72be7306ca85ed", kill_on_drop: false }` [INFO] [stdout] e576ac119fd4ab6a0ef46ec990e9ebcbe39d7ed34d11b782ca72be7306ca85ed [INFO] checking pipe-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate pipe 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate pipe 0.4.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pipe 0.4.0 [INFO] finished tweaking crates.io crate pipe 0.4.0 [INFO] tweaked toml for crates.io crate pipe 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding os_pipe v0.9.2 (latest: v1.1.5) [INFO] [stderr] Adding readwrite v0.1.2 (latest: v0.2.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3bceaa7d2be67b5dd6e7062fe763c17a32999dd84e16a618bf0ffe21b158fc45 [INFO] running `Command { std: "docker" "start" "-a" "3bceaa7d2be67b5dd6e7062fe763c17a32999dd84e16a618bf0ffe21b158fc45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bceaa7d2be67b5dd6e7062fe763c17a32999dd84e16a618bf0ffe21b158fc45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bceaa7d2be67b5dd6e7062fe763c17a32999dd84e16a618bf0ffe21b158fc45", kill_on_drop: false }` [INFO] [stdout] 3bceaa7d2be67b5dd6e7062fe763c17a32999dd84e16a618bf0ffe21b158fc45 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc4a53e27a66d72eebaab882c035bbd8ed39d9b938bce7d4022c381c2e63209c [INFO] running `Command { std: "docker" "start" "-a" "cc4a53e27a66d72eebaab882c035bbd8ed39d9b938bce7d4022c381c2e63209c", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking pipe v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking os_pipe v0.9.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/pipe.rs:6:48 [INFO] [stdout] | [INFO] [stdout] 6 | use criterion::{black_box, Bencher, Criterion, ParameterizedBenchmark, Throughput}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated struct `criterion::ParameterizedBenchmark`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/pipe.rs:52:17 [INFO] [stdout] | [INFO] [stdout] 52 | let bench = ParameterizedBenchmark::new( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/lib.rs:324:19 [INFO] [stdout] | [INFO] [stdout] 324 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] 325 | use super::*; [INFO] [stdout] | -------- the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/lib.rs:324:25 [INFO] [stdout] | [INFO] [stdout] 324 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 325 | use super::*; [INFO] [stdout] | -------- the item `Write` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `criterion::Criterion::::bench`: Please use BenchmarkGroups instead. [INFO] [stdout] --> benches/pipe.rs:65:7 [INFO] [stdout] | [INFO] [stdout] 65 | c.bench("pipe_send", bench); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s [INFO] running `Command { std: "docker" "inspect" "cc4a53e27a66d72eebaab882c035bbd8ed39d9b938bce7d4022c381c2e63209c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc4a53e27a66d72eebaab882c035bbd8ed39d9b938bce7d4022c381c2e63209c", kill_on_drop: false }` [INFO] [stdout] cc4a53e27a66d72eebaab882c035bbd8ed39d9b938bce7d4022c381c2e63209c