[INFO] cloning repository https://github.com/medcat/short-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/medcat/short-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fshort-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fshort-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 81ce4e37e468b6a38d7ccc0b47c52aac576d15ad
[INFO] checking medcat/short-benchmark against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fshort-benchmark" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/medcat/short-benchmark 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/medcat/short-benchmark
[INFO] finished tweaking git repo https://github.com/medcat/short-benchmark
[INFO] tweaked toml for git repo https://github.com/medcat/short-benchmark written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/medcat/short-benchmark 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 git repository `https://github.com/medcat/under.git`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a3a629f7e85b1eef1d6aa462498f603d6a8cde654a0daa81b0e22d4456e93d45
[INFO] running `Command { std: "docker" "start" "-a" "a3a629f7e85b1eef1d6aa462498f603d6a8cde654a0daa81b0e22d4456e93d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3a629f7e85b1eef1d6aa462498f603d6a8cde654a0daa81b0e22d4456e93d45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a629f7e85b1eef1d6aa462498f603d6a8cde654a0daa81b0e22d4456e93d45", kill_on_drop: false }`
[INFO] [stdout] a3a629f7e85b1eef1d6aa462498f603d6a8cde654a0daa81b0e22d4456e93d45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1a51e39589cb49b8fceeae7b53de7bf9a41e6a093407758c6efd12e1dfb13739
[INFO] running `Command { std: "docker" "start" "-a" "1a51e39589cb49b8fceeae7b53de7bf9a41e6a093407758c6efd12e1dfb13739", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tower v0.4.9
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking under v0.1.0 (https://github.com/medcat/under.git?branch=main#8d27441f)
[INFO] [stderr]     Checking under-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.15s
[INFO] running `Command { std: "docker" "inspect" "1a51e39589cb49b8fceeae7b53de7bf9a41e6a093407758c6efd12e1dfb13739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a51e39589cb49b8fceeae7b53de7bf9a41e6a093407758c6efd12e1dfb13739", kill_on_drop: false }`
[INFO] [stdout] 1a51e39589cb49b8fceeae7b53de7bf9a41e6a093407758c6efd12e1dfb13739
[INFO] checking medcat/short-benchmark against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmedcat%2Fshort-benchmark" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/medcat/short-benchmark 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/medcat/short-benchmark
[INFO] finished tweaking git repo https://github.com/medcat/short-benchmark
[INFO] tweaked toml for git repo https://github.com/medcat/short-benchmark written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/medcat/short-benchmark 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b0f80ed71e8398448938cdc4d6c5995ee837757775db2240dffd7b69774b0cf5
[INFO] running `Command { std: "docker" "start" "-a" "b0f80ed71e8398448938cdc4d6c5995ee837757775db2240dffd7b69774b0cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f80ed71e8398448938cdc4d6c5995ee837757775db2240dffd7b69774b0cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f80ed71e8398448938cdc4d6c5995ee837757775db2240dffd7b69774b0cf5", kill_on_drop: false }`
[INFO] [stdout] b0f80ed71e8398448938cdc4d6c5995ee837757775db2240dffd7b69774b0cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a8109db48ebe3f67bebcb21a2f6dba66dd57bf2933e78260ee7f497ea5585d05
[INFO] running `Command { std: "docker" "start" "-a" "a8109db48ebe3f67bebcb21a2f6dba66dd57bf2933e78260ee7f497ea5585d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking futures-util v0.3.17
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tower v0.4.9
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tower-http v0.1.1
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking under v0.1.0 (https://github.com/medcat/under.git?branch=main#8d27441f)
[INFO] [stderr]     Checking under-benchmark v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.78s
[INFO] running `Command { std: "docker" "inspect" "a8109db48ebe3f67bebcb21a2f6dba66dd57bf2933e78260ee7f497ea5585d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8109db48ebe3f67bebcb21a2f6dba66dd57bf2933e78260ee7f497ea5585d05", kill_on_drop: false }`
[INFO] [stdout] a8109db48ebe3f67bebcb21a2f6dba66dd57bf2933e78260ee7f497ea5585d05