[INFO] fetching crate ezbrowsergameserver 0.2.1...
[INFO] checking ezbrowsergameserver-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate ezbrowsergameserver 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate ezbrowsergameserver 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 ezbrowsergameserver 0.2.1
[INFO] finished tweaking crates.io crate ezbrowsergameserver 0.2.1
[INFO] tweaked toml for crates.io crate ezbrowsergameserver 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate ezbrowsergameserver 0.2.1 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 tokio-tungstenite v0.20.1
[INFO] [stderr]   Downloaded data-encoding v2.4.0
[INFO] [stderr]   Downloaded tungstenite v0.20.1
[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] d304de62a110139783ce3649b2f094afab276e6097c52c3c06f02e662f29b577
[INFO] running `Command { std: "docker" "start" "-a" "d304de62a110139783ce3649b2f094afab276e6097c52c3c06f02e662f29b577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d304de62a110139783ce3649b2f094afab276e6097c52c3c06f02e662f29b577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d304de62a110139783ce3649b2f094afab276e6097c52c3c06f02e662f29b577", kill_on_drop: false }`
[INFO] [stdout] d304de62a110139783ce3649b2f094afab276e6097c52c3c06f02e662f29b577
[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] b593cd4e7d06b67e22b9712709a0f3a4d0088dc4edbc65cad00c735105229fbf
[INFO] running `Command { std: "docker" "start" "-a" "b593cd4e7d06b67e22b9712709a0f3a4d0088dc4edbc65cad00c735105229fbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking ezbrowsergameserver v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.26s
[INFO] running `Command { std: "docker" "inspect" "b593cd4e7d06b67e22b9712709a0f3a4d0088dc4edbc65cad00c735105229fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b593cd4e7d06b67e22b9712709a0f3a4d0088dc4edbc65cad00c735105229fbf", kill_on_drop: false }`
[INFO] [stdout] b593cd4e7d06b67e22b9712709a0f3a4d0088dc4edbc65cad00c735105229fbf
[INFO] checking ezbrowsergameserver-0.2.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate ezbrowsergameserver 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate ezbrowsergameserver 0.2.1 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 crates.io crate ezbrowsergameserver 0.2.1
[INFO] finished tweaking crates.io crate ezbrowsergameserver 0.2.1
[INFO] tweaked toml for crates.io crate ezbrowsergameserver 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate ezbrowsergameserver 0.2.1 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] 70d04ecd5f80c1edccedadff2a9be6d4664a7e56ed25d22c949781df03d0b58f
[INFO] running `Command { std: "docker" "start" "-a" "70d04ecd5f80c1edccedadff2a9be6d4664a7e56ed25d22c949781df03d0b58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d04ecd5f80c1edccedadff2a9be6d4664a7e56ed25d22c949781df03d0b58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d04ecd5f80c1edccedadff2a9be6d4664a7e56ed25d22c949781df03d0b58f", kill_on_drop: false }`
[INFO] [stdout] 70d04ecd5f80c1edccedadff2a9be6d4664a7e56ed25d22c949781df03d0b58f
[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] 9b6f2b488e801f04460c5c61f09fb1515184199c14ed5fecb9debc43ce27a9ec
[INFO] running `Command { std: "docker" "start" "-a" "9b6f2b488e801f04460c5c61f09fb1515184199c14ed5fecb9debc43ce27a9ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling async-trait v0.1.74
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking tungstenite v0.20.1
[INFO] [stderr]     Checking tokio-tungstenite v0.20.1
[INFO] [stderr]     Checking ezbrowsergameserver v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.73s
[INFO] running `Command { std: "docker" "inspect" "9b6f2b488e801f04460c5c61f09fb1515184199c14ed5fecb9debc43ce27a9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6f2b488e801f04460c5c61f09fb1515184199c14ed5fecb9debc43ce27a9ec", kill_on_drop: false }`
[INFO] [stdout] 9b6f2b488e801f04460c5c61f09fb1515184199c14ed5fecb9debc43ce27a9ec