[INFO] cloning repository https://github.com/cbrit/gazer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cbrit/gazer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fgazer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fgazer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcec26d264d0d7c8620ec1d9eb415f620cf0fa70
[INFO] checking cbrit/gazer against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fgazer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbrit/gazer 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/cbrit/gazer
[INFO] finished tweaking git repo https://github.com/cbrit/gazer
[INFO] tweaked toml for git repo https://github.com/cbrit/gazer written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cbrit/gazer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tungstenite v0.15.0
[INFO] [stderr]   Downloaded security-framework v2.4.1
[INFO] [stderr]   Downloaded security-framework-sys v2.4.1
[INFO] [stderr]   Downloaded num-bigint v0.4.1
[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] cdb7cfee8ccb569e2190253b4cc7360f76bc0f91874c1272d70492cf132e3d4e
[INFO] running `Command { std: "docker" "start" "-a" "cdb7cfee8ccb569e2190253b4cc7360f76bc0f91874c1272d70492cf132e3d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb7cfee8ccb569e2190253b4cc7360f76bc0f91874c1272d70492cf132e3d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb7cfee8ccb569e2190253b4cc7360f76bc0f91874c1272d70492cf132e3d4e", kill_on_drop: false }`
[INFO] [stdout] cdb7cfee8ccb569e2190253b4cc7360f76bc0f91874c1272d70492cf132e3d4e
[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] bcb1e406cddb5cf48465652e8b0b04c49447c8676f45b99cf07812b20e3e0f94
[INFO] running `Command { std: "docker" "start" "-a" "bcb1e406cddb5cf48465652e8b0b04c49447c8676f45b99cf07812b20e3e0f94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tungstenite v0.15.0
[INFO] [stderr]     Checking gazer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.14s
[INFO] running `Command { std: "docker" "inspect" "bcb1e406cddb5cf48465652e8b0b04c49447c8676f45b99cf07812b20e3e0f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb1e406cddb5cf48465652e8b0b04c49447c8676f45b99cf07812b20e3e0f94", kill_on_drop: false }`
[INFO] [stdout] bcb1e406cddb5cf48465652e8b0b04c49447c8676f45b99cf07812b20e3e0f94
[INFO] checking cbrit/gazer against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcbrit%2Fgazer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cbrit/gazer 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/cbrit/gazer
[INFO] finished tweaking git repo https://github.com/cbrit/gazer
[INFO] tweaked toml for git repo https://github.com/cbrit/gazer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cbrit/gazer 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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e151b0b62b06ed3cf0600fc9452391c632575b1b979b6e9b39f5ea5926096bac
[INFO] running `Command { std: "docker" "start" "-a" "e151b0b62b06ed3cf0600fc9452391c632575b1b979b6e9b39f5ea5926096bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e151b0b62b06ed3cf0600fc9452391c632575b1b979b6e9b39f5ea5926096bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e151b0b62b06ed3cf0600fc9452391c632575b1b979b6e9b39f5ea5926096bac", kill_on_drop: false }`
[INFO] [stdout] e151b0b62b06ed3cf0600fc9452391c632575b1b979b6e9b39f5ea5926096bac
[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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957a6f07f76c8926fbb3c3d71d4fa43f6b1fb36d273ee4806bb51cc2232ccc39
[INFO] running `Command { std: "docker" "start" "-a" "957a6f07f76c8926fbb3c3d71d4fa43f6b1fb36d273ee4806bb51cc2232ccc39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tungstenite v0.15.0
[INFO] [stderr]     Checking gazer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.47s
[INFO] running `Command { std: "docker" "inspect" "957a6f07f76c8926fbb3c3d71d4fa43f6b1fb36d273ee4806bb51cc2232ccc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957a6f07f76c8926fbb3c3d71d4fa43f6b1fb36d273ee4806bb51cc2232ccc39", kill_on_drop: false }`
[INFO] [stdout] 957a6f07f76c8926fbb3c3d71d4fa43f6b1fb36d273ee4806bb51cc2232ccc39