[INFO] fetching crate concurrency-demo-benchmarks 0.0.8...
[INFO] testing concurrency-demo-benchmarks-0.0.8 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate concurrency-demo-benchmarks 0.0.8 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate concurrency-demo-benchmarks 0.0.8
[INFO] finished tweaking crates.io crate concurrency-demo-benchmarks 0.0.8
[INFO] tweaked toml for crates.io crate concurrency-demo-benchmarks 0.0.8 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate concurrency-demo-benchmarks 0.0.8 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate concurrency-demo-benchmarks 0.0.8 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matplotrust v0.1.7
[INFO] [stderr]   Downloaded leaky-bucket v0.8.2
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe9146e2a88f5cd3b259b5f364046634131a914c35cdb1f0b1eb5c429ace5133
[INFO] running `Command { std: "docker" "start" "-a" "fe9146e2a88f5cd3b259b5f364046634131a914c35cdb1f0b1eb5c429ace5133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9146e2a88f5cd3b259b5f364046634131a914c35cdb1f0b1eb5c429ace5133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9146e2a88f5cd3b259b5f364046634131a914c35cdb1f0b1eb5c429ace5133", kill_on_drop: false }`
[INFO] [stdout] fe9146e2a88f5cd3b259b5f364046634131a914c35cdb1f0b1eb5c429ace5133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a1cdd4f7200d971417fcddc156776c47a1efc8275f34f03841ca5ffa9cf84f
[INFO] running `Command { std: "docker" "start" "-a" "e1a1cdd4f7200d971417fcddc156776c47a1efc8275f34f03841ca5ffa9cf84f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling remove_dir_all v0.5.3
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[INFO] [stderr]    Compiling mio-uds v0.6.8
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[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
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[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling tokio v0.2.23
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling pin-project v1.0.1
[INFO] [stderr]    Compiling thiserror v1.0.22
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[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling matplotrust v0.1.7
[INFO] [stderr]    Compiling leaky-bucket v0.8.2
[INFO] [stderr]    Compiling concurrency-demo-benchmarks v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "e1a1cdd4f7200d971417fcddc156776c47a1efc8275f34f03841ca5ffa9cf84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a1cdd4f7200d971417fcddc156776c47a1efc8275f34f03841ca5ffa9cf84f", kill_on_drop: false }`
[INFO] [stdout] e1a1cdd4f7200d971417fcddc156776c47a1efc8275f34f03841ca5ffa9cf84f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 775dd971b5ad0ff25cbda50fb46c23c9990697900868db6cde6dab3ee059ec0f
[INFO] running `Command { std: "docker" "start" "-a" "775dd971b5ad0ff25cbda50fb46c23c9990697900868db6cde6dab3ee059ec0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
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[INFO] [stderr]    Compiling serde_json v1.0.59
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[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.4
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling concurrency-demo-benchmarks v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "775dd971b5ad0ff25cbda50fb46c23c9990697900868db6cde6dab3ee059ec0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "775dd971b5ad0ff25cbda50fb46c23c9990697900868db6cde6dab3ee059ec0f", kill_on_drop: false }`
[INFO] [stdout] 775dd971b5ad0ff25cbda50fb46c23c9990697900868db6cde6dab3ee059ec0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cd363bcc173dd0a62b10e569ba9dc97aa3492e091f8f942616b31d6b7246068
[INFO] running `Command { std: "docker" "start" "-a" "3cd363bcc173dd0a62b10e569ba9dc97aa3492e091f8f942616b31d6b7246068", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency_demo_benchmarks-9da6e52c30d2cfd6)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3cd363bcc173dd0a62b10e569ba9dc97aa3492e091f8f942616b31d6b7246068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd363bcc173dd0a62b10e569ba9dc97aa3492e091f8f942616b31d6b7246068", kill_on_drop: false }`
[INFO] [stdout] 3cd363bcc173dd0a62b10e569ba9dc97aa3492e091f8f942616b31d6b7246068