[INFO] fetching crate ratchet_rs 0.4.1...
[INFO] checking ratchet_rs-0.4.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ratchet_rs 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ratchet_rs 0.4.1 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 ratchet_rs 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ratchet_rs 0.4.1
[INFO] tweaked toml for crates.io crate ratchet_rs 0.4.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate ratchet_rs 0.4.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ratchet_ext v0.4.1
[INFO] [stderr]   Downloaded ratchet_deflate v0.4.1
[INFO] [stderr]   Downloaded ratchet_core v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 135c066c524db11422bf800ddbadde82fd526f58bcc98def2882a5e7f2dcb785
[INFO] running `Command { std: "docker" "start" "-a" "135c066c524db11422bf800ddbadde82fd526f58bcc98def2882a5e7f2dcb785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135c066c524db11422bf800ddbadde82fd526f58bcc98def2882a5e7f2dcb785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135c066c524db11422bf800ddbadde82fd526f58bcc98def2882a5e7f2dcb785", kill_on_drop: false }`
[INFO] [stdout] 135c066c524db11422bf800ddbadde82fd526f58bcc98def2882a5e7f2dcb785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] f8e4e5632138c97cc1693faf89247344381f85560caf9b490e25b05d5e4f4512
[INFO] running `Command { std: "docker" "start" "-a" "f8e4e5632138c97cc1693faf89247344381f85560caf9b490e25b05d5e4f4512", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling syn v2.0.22
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking cpufeatures v0.2.8
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking ratchet_ext v0.4.1
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.40
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking ratchet_core v0.4.1
[INFO] [stderr]     Checking ratchet_rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "f8e4e5632138c97cc1693faf89247344381f85560caf9b490e25b05d5e4f4512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e4e5632138c97cc1693faf89247344381f85560caf9b490e25b05d5e4f4512", kill_on_drop: false }`
[INFO] [stdout] f8e4e5632138c97cc1693faf89247344381f85560caf9b490e25b05d5e4f4512