[INFO] fetching crate e57 0.10.2...
[INFO] checking e57-0.10.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate e57 0.10.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate e57 0.10.2 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 e57 0.10.2
[INFO] finished tweaking crates.io crate e57 0.10.2
[INFO] tweaked toml for crates.io crate e57 0.10.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] [stderr]       Adding roxmltree v0.18.1 (latest: v0.19.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded crc32c v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ea7e67978d1a1da69183d6e7757d9cad8180eab1342d884140b76fd4c1c0db8b
[INFO] running `Command { std: "docker" "start" "-a" "ea7e67978d1a1da69183d6e7757d9cad8180eab1342d884140b76fd4c1c0db8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea7e67978d1a1da69183d6e7757d9cad8180eab1342d884140b76fd4c1c0db8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7e67978d1a1da69183d6e7757d9cad8180eab1342d884140b76fd4c1c0db8b", kill_on_drop: false }`
[INFO] [stdout] ea7e67978d1a1da69183d6e7757d9cad8180eab1342d884140b76fd4c1c0db8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 04d678e96df10d6c74d41a73dadddfe4d98ef67fc0e0dc035710250837ff1a71
[INFO] running `Command { std: "docker" "start" "-a" "04d678e96df10d6c74d41a73dadddfe4d98ef67fc0e0dc035710250837ff1a71", kill_on_drop: false }`
[INFO] [stderr]     Checking e57 v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/packet.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Index(IndexPacketHeader),
[INFO] [stdout]   |     ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Index(()),
[INFO] [stdout]   |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/packet.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Ignored(IgnoredPacketHeader),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Ignored(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `packet_length`, `entry_count`, and `index_level` are never read
[INFO] [stdout]   --> src/packet.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct IndexPacketHeader {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 32 |     pub packet_length: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 33 |     pub entry_count: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 34 |     pub index_level: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_length` is never read
[INFO] [stdout]    --> src/packet.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct IgnoredPacketHeader {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 121 |     pub packet_length: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/packet.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Index(IndexPacketHeader),
[INFO] [stdout]   |     ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Index(()),
[INFO] [stdout]   |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/packet.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Ignored(IgnoredPacketHeader),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Ignored(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `packet_length`, `entry_count`, and `index_level` are never read
[INFO] [stdout]   --> src/packet.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct IndexPacketHeader {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 32 |     pub packet_length: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 33 |     pub entry_count: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 34 |     pub index_level: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `packet_length` is never read
[INFO] [stdout]    --> src/packet.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub struct IgnoredPacketHeader {
[INFO] [stdout]     |            ------------------- field in this struct
[INFO] [stdout] 121 |     pub packet_length: u64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "04d678e96df10d6c74d41a73dadddfe4d98ef67fc0e0dc035710250837ff1a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d678e96df10d6c74d41a73dadddfe4d98ef67fc0e0dc035710250837ff1a71", kill_on_drop: false }`
[INFO] [stdout] 04d678e96df10d6c74d41a73dadddfe4d98ef67fc0e0dc035710250837ff1a71