[INFO] cloning repository https://github.com/ivan-shrimp/spcc_kickstart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ivan-shrimp/spcc_kickstart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-shrimp%2Fspcc_kickstart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-shrimp%2Fspcc_kickstart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab37accf9408ff48e40820d2b06788238ca73b66
[INFO] checking ivan-shrimp/spcc_kickstart against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-shrimp%2Fspcc_kickstart" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivan-shrimp/spcc_kickstart 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ivan-shrimp/spcc_kickstart
[INFO] finished tweaking git repo https://github.com/ivan-shrimp/spcc_kickstart
[INFO] tweaked toml for git repo https://github.com/ivan-shrimp/spcc_kickstart written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ivan-shrimp/spcc_kickstart 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal-check v0.3.1
[INFO] [stderr]   Downloaded lexical v6.0.1
[INFO] [stderr]   Downloaded primal-estimate v0.3.1
[INFO] [stderr]   Downloaded primal v0.3.0
[INFO] [stderr]   Downloaded primal-sieve v0.3.2
[INFO] [stderr]   Downloaded primal-bit v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9e0e18890631a6883f7696d93cec41fbc1e4fd5f22da721c3094123646aa4f11
[INFO] running `Command { std: "docker" "start" "-a" "9e0e18890631a6883f7696d93cec41fbc1e4fd5f22da721c3094123646aa4f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0e18890631a6883f7696d93cec41fbc1e4fd5f22da721c3094123646aa4f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0e18890631a6883f7696d93cec41fbc1e4fd5f22da721c3094123646aa4f11", kill_on_drop: false }`
[INFO] [stdout] 9e0e18890631a6883f7696d93cec41fbc1e4fd5f22da721c3094123646aa4f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 964177a40a0377a711bd7a7b6e6ab4eb1ae2c78d964d05d92c9dbbdf88fc3930
[INFO] running `Command { std: "docker" "start" "-a" "964177a40a0377a711bd7a7b6e6ab4eb1ae2c78d964d05d92c9dbbdf88fc3930", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking kickstart_macros v0.0.0 (/opt/rustwide/workdir/kickstart_macros)
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lexical-util v0.8.1
[INFO] [stderr]     Checking primal-bit v0.3.0
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking primal-sieve v0.3.2
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking lexical-parse-integer v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking lexical-core v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking lexical v6.0.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking read_u32 v0.0.0 (/opt/rustwide/workdir/read_u32)
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking b6 v0.1.0 (/opt/rustwide/workdir/b6)
[INFO] [stderr]     Checking a5 v0.1.0 (/opt/rustwide/workdir/a5)
[INFO] [stderr]     Checking a6 v0.1.0 (/opt/rustwide/workdir/a6)
[INFO] [stderr]     Checking b4 v0.1.0 (/opt/rustwide/workdir/b4)
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking b1 v0.1.0 (/opt/rustwide/workdir/b1)
[INFO] [stderr]     Checking b3 v0.1.0 (/opt/rustwide/workdir/b3)
[INFO] [stderr]     Checking a4 v0.1.0 (/opt/rustwide/workdir/a4)
[INFO] [stderr]     Checking a2 v0.1.0 (/opt/rustwide/workdir/a2)
[INFO] [stderr]     Checking a1 v0.1.0 (/opt/rustwide/workdir/a1)
[INFO] [stderr]     Checking b5 v0.1.0 (/opt/rustwide/workdir/b5)
[INFO] [stderr]     Checking b2 v0.1.0 (/opt/rustwide/workdir/b2)
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking a3 v0.1.0 (/opt/rustwide/workdir/a3)
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking primal v0.3.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking a6_benchgen v0.1.0 (/opt/rustwide/workdir/a6/a6_benchgen)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[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" "964177a40a0377a711bd7a7b6e6ab4eb1ae2c78d964d05d92c9dbbdf88fc3930", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964177a40a0377a711bd7a7b6e6ab4eb1ae2c78d964d05d92c9dbbdf88fc3930", kill_on_drop: false }`
[INFO] [stdout] 964177a40a0377a711bd7a7b6e6ab4eb1ae2c78d964d05d92c9dbbdf88fc3930
[INFO] checking ivan-shrimp/spcc_kickstart against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fivan-shrimp%2Fspcc_kickstart" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ivan-shrimp/spcc_kickstart 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] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ivan-shrimp/spcc_kickstart
[INFO] finished tweaking git repo https://github.com/ivan-shrimp/spcc_kickstart
[INFO] tweaked toml for git repo https://github.com/ivan-shrimp/spcc_kickstart written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ivan-shrimp/spcc_kickstart 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5cc305fee02c39280d1c6f54d125fe48ef805a215d3843953f6198798dbd7889
[INFO] running `Command { std: "docker" "start" "-a" "5cc305fee02c39280d1c6f54d125fe48ef805a215d3843953f6198798dbd7889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cc305fee02c39280d1c6f54d125fe48ef805a215d3843953f6198798dbd7889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cc305fee02c39280d1c6f54d125fe48ef805a215d3843953f6198798dbd7889", kill_on_drop: false }`
[INFO] [stdout] 5cc305fee02c39280d1c6f54d125fe48ef805a215d3843953f6198798dbd7889
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 39bfaff5538485463b7d604b48b147a6a4d592c5212da61f42bd0c1e310bb776
[INFO] running `Command { std: "docker" "start" "-a" "39bfaff5538485463b7d604b48b147a6a4d592c5212da61f42bd0c1e310bb776", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking kickstart_macros v0.0.0 (/opt/rustwide/workdir/kickstart_macros)
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lexical-util v0.8.1
[INFO] [stderr]     Checking primal-bit v0.3.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking primal-estimate v0.3.1
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking primal-sieve v0.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lexical-parse-integer v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking lexical-core v0.8.2
[INFO] [stderr]     Checking lexical v6.0.1
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking read_u32 v0.0.0 (/opt/rustwide/workdir/read_u32)
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking unicode-segmentation v1.9.0
[INFO] [stderr]     Checking a6 v0.1.0 (/opt/rustwide/workdir/a6)
[INFO] [stderr]     Checking a5 v0.1.0 (/opt/rustwide/workdir/a5)
[INFO] [stderr]     Checking b6 v0.1.0 (/opt/rustwide/workdir/b6)
[INFO] [stderr]     Checking b1 v0.1.0 (/opt/rustwide/workdir/b1)
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking b4 v0.1.0 (/opt/rustwide/workdir/b4)
[INFO] [stderr]     Checking b3 v0.1.0 (/opt/rustwide/workdir/b3)
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking a2 v0.1.0 (/opt/rustwide/workdir/a2)
[INFO] [stderr]     Checking a4 v0.1.0 (/opt/rustwide/workdir/a4)
[INFO] [stderr]     Checking a1 v0.1.0 (/opt/rustwide/workdir/a1)
[INFO] [stderr]     Checking b5 v0.1.0 (/opt/rustwide/workdir/b5)
[INFO] [stderr]     Checking b2 v0.1.0 (/opt/rustwide/workdir/b2)
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking a3 v0.1.0 (/opt/rustwide/workdir/a3)
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking primal-check v0.3.1
[INFO] [stderr]     Checking primal v0.3.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking a6_benchgen v0.1.0 (/opt/rustwide/workdir/a6/a6_benchgen)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[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" "39bfaff5538485463b7d604b48b147a6a4d592c5212da61f42bd0c1e310bb776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bfaff5538485463b7d604b48b147a6a4d592c5212da61f42bd0c1e310bb776", kill_on_drop: false }`
[INFO] [stdout] 39bfaff5538485463b7d604b48b147a6a4d592c5212da61f42bd0c1e310bb776