[INFO] fetching crate bies 0.2.1...
[INFO] checking bies-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate bies 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bies 0.2.1 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 bies 0.2.1
[INFO] finished tweaking crates.io crate bies 0.2.1
[INFO] tweaked toml for crates.io crate bies 0.2.1 written to /workspace/builds/worker-7-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 82 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding criterion v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding strum v0.20.0 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.20.1 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum v0.20.0
[INFO] [stderr]   Downloaded writeable v0.5.4
[INFO] [stderr]   Downloaded partial-min-max v0.4.0
[INFO] [stderr]   Downloaded ciborium v0.2.2
[INFO] [stderr]   Downloaded plotters-backend v0.3.5
[INFO] [stderr]   Downloaded ciborium-io v0.2.2
[INFO] [stderr]   Downloaded ciborium-ll v0.2.2
[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded plotters v0.3.5
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1fcbaa39311cd206f5b33be2c20e7c5719f4dbda618d0700e7944427e9bb38c
[INFO] running `Command { std: "docker" "start" "-a" "a1fcbaa39311cd206f5b33be2c20e7c5719f4dbda618d0700e7944427e9bb38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1fcbaa39311cd206f5b33be2c20e7c5719f4dbda618d0700e7944427e9bb38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1fcbaa39311cd206f5b33be2c20e7c5719f4dbda618d0700e7944427e9bb38c", kill_on_drop: false }`
[INFO] [stdout] a1fcbaa39311cd206f5b33be2c20e7c5719f4dbda618d0700e7944427e9bb38c
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 453ea91e1712dac29c0ced3e9fca0df80e732c7a38e4c91df1a50738324fa10d
[INFO] running `Command { std: "docker" "start" "-a" "453ea91e1712dac29c0ced3e9fca0df80e732c7a38e4c91df1a50738324fa10d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking writeable v0.5.4
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking partial-min-max v0.4.0
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking bies v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `Distribution` is imported redundantly
[INFO] [stdout]  --> tests/from_bies_matrix.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `Distribution` is already imported here
[INFO] [stdout] 7 | use rand_distr::{Beta, Distribution, Uniform};
[INFO] [stdout]   |                        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.30s
[INFO] running `Command { std: "docker" "inspect" "453ea91e1712dac29c0ced3e9fca0df80e732c7a38e4c91df1a50738324fa10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453ea91e1712dac29c0ced3e9fca0df80e732c7a38e4c91df1a50738324fa10d", kill_on_drop: false }`
[INFO] [stdout] 453ea91e1712dac29c0ced3e9fca0df80e732c7a38e4c91df1a50738324fa10d
[INFO] checking bies-0.2.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate bies 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bies 0.2.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bies 0.2.1
[INFO] finished tweaking crates.io crate bies 0.2.1
[INFO] tweaked toml for crates.io crate bies 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00b80797bcc7aa7164a444d76baeaa00ee5b4acaab80de0e5ff972eddcc3b48a
[INFO] running `Command { std: "docker" "start" "-a" "00b80797bcc7aa7164a444d76baeaa00ee5b4acaab80de0e5ff972eddcc3b48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00b80797bcc7aa7164a444d76baeaa00ee5b4acaab80de0e5ff972eddcc3b48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b80797bcc7aa7164a444d76baeaa00ee5b4acaab80de0e5ff972eddcc3b48a", kill_on_drop: false }`
[INFO] [stdout] 00b80797bcc7aa7164a444d76baeaa00ee5b4acaab80de0e5ff972eddcc3b48a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba54709cc1118909a861d8660335591d08559e0afa343e12444f94e1693f29d5
[INFO] running `Command { std: "docker" "start" "-a" "ba54709cc1118909a861d8660335591d08559e0afa343e12444f94e1693f29d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking writeable v0.5.4
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking partial-min-max v0.4.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking bies v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `Distribution` is imported redundantly
[INFO] [stdout]  --> tests/from_bies_matrix.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::prelude::*;
[INFO] [stdout]   |     ---------------- the item `Distribution` is already imported here
[INFO] [stdout] 7 | use rand_distr::{Beta, Distribution, Uniform};
[INFO] [stdout]   |                        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.30s
[INFO] running `Command { std: "docker" "inspect" "ba54709cc1118909a861d8660335591d08559e0afa343e12444f94e1693f29d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba54709cc1118909a861d8660335591d08559e0afa343e12444f94e1693f29d5", kill_on_drop: false }`
[INFO] [stdout] ba54709cc1118909a861d8660335591d08559e0afa343e12444f94e1693f29d5