[INFO] fetching crate bin_common 0.2.0...
[INFO] checking bin_common-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate bin_common 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate bin_common 0.2.0 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 bin_common 0.2.0
[INFO] finished tweaking crates.io crate bin_common 0.2.0
[INFO] tweaked toml for crates.io crate bin_common 0.2.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 65 packages
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding colored v1.9.4 (latest: v2.1.0)
[INFO] [stderr]       Adding directories v2.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v2.0.2
[INFO] [stderr]   Downloaded cpp_demangle v0.4.3
[INFO] [stderr]   Downloaded fern v0.6.2
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4038ba9acd7fe319dbc55eaf62be38166e428431cfcd7f3f6773023dd9f2d011
[INFO] running `Command { std: "docker" "start" "-a" "4038ba9acd7fe319dbc55eaf62be38166e428431cfcd7f3f6773023dd9f2d011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4038ba9acd7fe319dbc55eaf62be38166e428431cfcd7f3f6773023dd9f2d011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4038ba9acd7fe319dbc55eaf62be38166e428431cfcd7f3f6773023dd9f2d011", kill_on_drop: false }`
[INFO] [stdout] 4038ba9acd7fe319dbc55eaf62be38166e428431cfcd7f3f6773023dd9f2d011
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c49fbd90913d160db072472cd92b5d993b91d9599a80d53dc0e81a5bf8ccdd3
[INFO] running `Command { std: "docker" "start" "-a" "1c49fbd90913d160db072472cd92b5d993b91d9599a80d53dc0e81a5bf8ccdd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking bin_common v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/logging/rotation.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     WriteLength(usize, usize),
[INFO] [stdout]    |     ----------- ^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 74 |     WriteLength((), ()),
[INFO] [stdout]    |                 ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/logging/rotation.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     WriteLength(usize, usize),
[INFO] [stdout]    |     ----------- ^^^^^  ^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 74 |     WriteLength((), ()),
[INFO] [stdout]    |                 ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.87s
[INFO] running `Command { std: "docker" "inspect" "1c49fbd90913d160db072472cd92b5d993b91d9599a80d53dc0e81a5bf8ccdd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c49fbd90913d160db072472cd92b5d993b91d9599a80d53dc0e81a5bf8ccdd3", kill_on_drop: false }`
[INFO] [stdout] 1c49fbd90913d160db072472cd92b5d993b91d9599a80d53dc0e81a5bf8ccdd3
[INFO] checking bin_common-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate bin_common 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate bin_common 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bin_common 0.2.0
[INFO] finished tweaking crates.io crate bin_common 0.2.0
[INFO] tweaked toml for crates.io crate bin_common 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 691a3f275e071b0de21c75d733addf49f6f8e85dc25914a98fd2e25e94e7d3e7
[INFO] running `Command { std: "docker" "start" "-a" "691a3f275e071b0de21c75d733addf49f6f8e85dc25914a98fd2e25e94e7d3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "691a3f275e071b0de21c75d733addf49f6f8e85dc25914a98fd2e25e94e7d3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691a3f275e071b0de21c75d733addf49f6f8e85dc25914a98fd2e25e94e7d3e7", kill_on_drop: false }`
[INFO] [stdout] 691a3f275e071b0de21c75d733addf49f6f8e85dc25914a98fd2e25e94e7d3e7
[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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f60fdd9ce949b1100d697e3c362b08d5cc1cf18883148b41428b0950016bd20
[INFO] running `Command { std: "docker" "start" "-a" "2f60fdd9ce949b1100d697e3c362b08d5cc1cf18883148b41428b0950016bd20", kill_on_drop: false }`
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking num-traits v0.2.18
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.2/src/inflate/core.rs:1196:9
[INFO] [stdout]      |
[INFO] [stdout] 1196 | /         match state {
[INFO] [stdout] 1197 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1198 | |                 l.bit_buf = 0;
[INFO] [stdout] 1199 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1741 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1742 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2f60fdd9ce949b1100d697e3c362b08d5cc1cf18883148b41428b0950016bd20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f60fdd9ce949b1100d697e3c362b08d5cc1cf18883148b41428b0950016bd20", kill_on_drop: false }`
[INFO] [stdout] 2f60fdd9ce949b1100d697e3c362b08d5cc1cf18883148b41428b0950016bd20