[INFO] fetching crate bin_common 0.2.0... [INFO] checking bin_common-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate bin_common 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate bin_common 0.2.0 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 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-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded redox_users v0.4.5 [INFO] [stderr] Downloaded colored v1.9.4 [INFO] [stderr] Downloaded cpp_demangle v0.4.3 [INFO] [stderr] Downloaded libredox v0.1.3 [INFO] [stderr] Downloaded directories v2.0.2 [INFO] [stderr] Downloaded fern v0.6.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2c143143963f6cf47cdba4231d927167f7d30bf74b69d350286e92a4e6348b4b [INFO] running `Command { std: "docker" "start" "-a" "2c143143963f6cf47cdba4231d927167f7d30bf74b69d350286e92a4e6348b4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c143143963f6cf47cdba4231d927167f7d30bf74b69d350286e92a4e6348b4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c143143963f6cf47cdba4231d927167f7d30bf74b69d350286e92a4e6348b4b", kill_on_drop: false }` [INFO] [stdout] 2c143143963f6cf47cdba4231d927167f7d30bf74b69d350286e92a4e6348b4b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d6104fe0f68556bfa6a86937a028c32109478ecb9ffff2a088e028b066306a06 [INFO] running `Command { std: "docker" "start" "-a" "d6104fe0f68556bfa6a86937a028c32109478ecb9ffff2a088e028b066306a06", kill_on_drop: false }` [INFO] [stderr] Compiling cpp_demangle v0.4.3 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling lzma-sys v0.1.20 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking gimli v0.28.1 [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 cfg-if v0.1.10 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking fern v0.6.2 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking xz2 v0.1.7 [INFO] [stderr] Checking chrono v0.4.37 [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 4.41s [INFO] running `Command { std: "docker" "inspect" "d6104fe0f68556bfa6a86937a028c32109478ecb9ffff2a088e028b066306a06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6104fe0f68556bfa6a86937a028c32109478ecb9ffff2a088e028b066306a06", kill_on_drop: false }` [INFO] [stdout] d6104fe0f68556bfa6a86937a028c32109478ecb9ffff2a088e028b066306a06 [INFO] checking bin_common-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate bin_common 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate bin_common 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 520d9ff30b728df381c20e4ecb49bcf9e96c85a1ea4c496587c080b121ccc821 [INFO] running `Command { std: "docker" "start" "-a" "520d9ff30b728df381c20e4ecb49bcf9e96c85a1ea4c496587c080b121ccc821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "520d9ff30b728df381c20e4ecb49bcf9e96c85a1ea4c496587c080b121ccc821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "520d9ff30b728df381c20e4ecb49bcf9e96c85a1ea4c496587c080b121ccc821", kill_on_drop: false }` [INFO] [stdout] 520d9ff30b728df381c20e4ecb49bcf9e96c85a1ea4c496587c080b121ccc821 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d34d7b2dfea98a5693ce359ef08b52efe7d3137a05adf694ae2a04c9cf823d4 [INFO] running `Command { std: "docker" "start" "-a" "5d34d7b2dfea98a5693ce359ef08b52efe7d3137a05adf694ae2a04c9cf823d4", kill_on_drop: false }` [INFO] [stderr] Compiling cpp_demangle v0.4.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling lzma-sys v0.1.20 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking colored v1.9.4 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking fern v0.6.2 [INFO] [stderr] Checking directories v2.0.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking xz2 v0.1.7 [INFO] [stderr] Checking chrono v0.4.37 [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: 1 warning emitted [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.14s [INFO] running `Command { std: "docker" "inspect" "5d34d7b2dfea98a5693ce359ef08b52efe7d3137a05adf694ae2a04c9cf823d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d34d7b2dfea98a5693ce359ef08b52efe7d3137a05adf694ae2a04c9cf823d4", kill_on_drop: false }` [INFO] [stdout] 5d34d7b2dfea98a5693ce359ef08b52efe7d3137a05adf694ae2a04c9cf823d4