[INFO] cloning repository https://github.com/angelovangel/faster2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/angelovangel/faster2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelovangel%2Ffaster2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelovangel%2Ffaster2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a102ab6c41bde8475b5a96af4ff7dab1a073bd38
[INFO] checking angelovangel/faster2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelovangel%2Ffaster2" "/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/angelovangel/faster2 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 git repo https://github.com/angelovangel/faster2
[INFO] finished tweaking git repo https://github.com/angelovangel/faster2
[INFO] tweaked toml for git repo https://github.com/angelovangel/faster2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/angelovangel/faster2 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded human-repr v1.1.0
[INFO] [stderr]   Downloaded kseq v0.5.2
[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] 3b000c47cf06622af99ba6387ebc20a006f8b28672603c8a7a93cfcd3e6b721a
[INFO] running `Command { std: "docker" "start" "-a" "3b000c47cf06622af99ba6387ebc20a006f8b28672603c8a7a93cfcd3e6b721a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b000c47cf06622af99ba6387ebc20a006f8b28672603c8a7a93cfcd3e6b721a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b000c47cf06622af99ba6387ebc20a006f8b28672603c8a7a93cfcd3e6b721a", kill_on_drop: false }`
[INFO] [stdout] 3b000c47cf06622af99ba6387ebc20a006f8b28672603c8a7a93cfcd3e6b721a
[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] b65006a38be491b43db853dc2787383f0fc837ebdf20b4642116748d1551ba25
[INFO] running `Command { std: "docker" "start" "-a" "b65006a38be491b43db853dc2787383f0fc837ebdf20b4642116748d1551ba25", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking human-repr v1.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking kseq v0.5.2
[INFO] [stderr]     Checking faster2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `faster2` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use faster2;
[INFO] [stdout]    |     ^^^^^^^ the item `faster2` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `faster2` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use faster2;
[INFO] [stdout]    |     ^^^^^^^ the item `faster2` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.35s
[INFO] running `Command { std: "docker" "inspect" "b65006a38be491b43db853dc2787383f0fc837ebdf20b4642116748d1551ba25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65006a38be491b43db853dc2787383f0fc837ebdf20b4642116748d1551ba25", kill_on_drop: false }`
[INFO] [stdout] b65006a38be491b43db853dc2787383f0fc837ebdf20b4642116748d1551ba25
[INFO] checking angelovangel/faster2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fangelovangel%2Ffaster2" "/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/angelovangel/faster2 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 git repo https://github.com/angelovangel/faster2
[INFO] finished tweaking git repo https://github.com/angelovangel/faster2
[INFO] tweaked toml for git repo https://github.com/angelovangel/faster2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/angelovangel/faster2 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] 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] 560380a49373cccfaa14a4e7a7cc976628f196ff6084cf7e63dec8a6344cf843
[INFO] running `Command { std: "docker" "start" "-a" "560380a49373cccfaa14a4e7a7cc976628f196ff6084cf7e63dec8a6344cf843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560380a49373cccfaa14a4e7a7cc976628f196ff6084cf7e63dec8a6344cf843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560380a49373cccfaa14a4e7a7cc976628f196ff6084cf7e63dec8a6344cf843", kill_on_drop: false }`
[INFO] [stdout] 560380a49373cccfaa14a4e7a7cc976628f196ff6084cf7e63dec8a6344cf843
[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] 96cf83b8752aff42357fb2f09e792a113d5b70af4d59149b728bfb7dc82cc7b2
[INFO] running `Command { std: "docker" "start" "-a" "96cf83b8752aff42357fb2f09e792a113d5b70af4d59149b728bfb7dc82cc7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.11
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking human-repr v1.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking flate2 v1.0.26
[INFO] [stderr]     Checking kseq v0.5.2
[INFO] [stderr]     Checking faster2 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `faster2` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use faster2;
[INFO] [stdout]    |     ^^^^^^^ the item `faster2` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `faster2` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use faster2;
[INFO] [stdout]    |     ^^^^^^^ the item `faster2` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.36s
[INFO] running `Command { std: "docker" "inspect" "96cf83b8752aff42357fb2f09e792a113d5b70af4d59149b728bfb7dc82cc7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96cf83b8752aff42357fb2f09e792a113d5b70af4d59149b728bfb7dc82cc7b2", kill_on_drop: false }`
[INFO] [stdout] 96cf83b8752aff42357fb2f09e792a113d5b70af4d59149b728bfb7dc82cc7b2