[INFO] fetching crate wserver 0.1.5...
[INFO] checking wserver-0.1.5 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate wserver 0.1.5 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate wserver 0.1.5 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wserver 0.1.5
[INFO] finished tweaking crates.io crate wserver 0.1.5
[INFO] tweaked toml for crates.io crate wserver 0.1.5 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate wserver 0.1.5 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.10.0
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded gotham_derive v0.7.0
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded bincode v1.1.2
[INFO] [stderr]   Downloaded borrow-bag v1.1.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded gotham v0.7.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded time v0.3.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27f5b4a7a09d5a4016004cc4bb11f4eb71e7af93b0cf36d1e2fd219a75ce1652
[INFO] running `Command { std: "docker" "start" "-a" "27f5b4a7a09d5a4016004cc4bb11f4eb71e7af93b0cf36d1e2fd219a75ce1652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27f5b4a7a09d5a4016004cc4bb11f4eb71e7af93b0cf36d1e2fd219a75ce1652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27f5b4a7a09d5a4016004cc4bb11f4eb71e7af93b0cf36d1e2fd219a75ce1652", kill_on_drop: false }`
[INFO] [stdout] 27f5b4a7a09d5a4016004cc4bb11f4eb71e7af93b0cf36d1e2fd219a75ce1652
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b9f4524cd99d23165efbc881d967839c85034b07fa7e5cc36f481430e69d149
[INFO] running `Command { std: "docker" "start" "-a" "6b9f4524cd99d23165efbc881d967839c85034b07fa7e5cc36f481430e69d149", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling standback v0.2.13
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tokio v1.20.1
[INFO] [stderr]     Checking bytes v1.2.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time v0.2.23
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking borrow-bag v1.1.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking time v0.3.15
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling gotham_derive v0.7.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.37
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking gotham v0.7.1
[INFO] [stderr]     Checking wserver v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.29s
[INFO] running `Command { std: "docker" "inspect" "6b9f4524cd99d23165efbc881d967839c85034b07fa7e5cc36f481430e69d149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b9f4524cd99d23165efbc881d967839c85034b07fa7e5cc36f481430e69d149", kill_on_drop: false }`
[INFO] [stdout] 6b9f4524cd99d23165efbc881d967839c85034b07fa7e5cc36f481430e69d149