[INFO] fetching crate pretty-good 0.2.2... [INFO] checking pretty-good-0.2.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pretty-good 0.2.2 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate pretty-good 0.2.2 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 pretty-good 0.2.2 [INFO] finished tweaking crates.io crate pretty-good 0.2.2 [INFO] tweaked toml for crates.io crate pretty-good 0.2.2 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 58 packages [INFO] [stderr] Adding bit-vec v0.4.4 (latest: v0.6.3) [INFO] [stderr] Adding block-buffer v0.3.3 (latest: v0.10.4) [INFO] [stderr] Adding byte-tools v0.2.0 (latest: v0.3.1) [INFO] [stderr] Adding bzip2 v0.3.3 (latest: v0.4.4) [INFO] [stderr] Adding digest v0.7.6 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.9.1 (latest: v1.0.0) [INFO] [stderr] Adding md-5 v0.7.0 (latest: v0.10.6) [INFO] [stderr] Adding memchr v1.0.2 (latest: v2.7.2) [INFO] [stderr] Adding nom v3.2.1 (latest: v7.1.3) [INFO] [stderr] Adding num v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.1.44 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.1.42 (latest: v0.4.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding ripemd160 v0.7.0 (latest: v0.10.0) [INFO] [stderr] Adding sha-1 v0.7.0 (latest: v0.10.1) [INFO] [stderr] Adding sha2 v0.7.1 (latest: v0.10.8) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] [stderr] Adding yasna v0.1.3 (latest: v0.5.2) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded sha-1 v0.7.0 [INFO] [stderr] Downloaded block-buffer v0.3.3 [INFO] [stderr] Downloaded digest v0.7.6 [INFO] [stderr] Downloaded md-5 v0.7.0 [INFO] [stderr] Downloaded ripemd160 v0.7.0 [INFO] [stderr] Downloaded generic-array v0.9.1 [INFO] [stderr] Downloaded sha2 v0.7.1 [INFO] [stderr] Downloaded bit-vec v0.4.4 [INFO] [stderr] Downloaded yasna v0.1.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ff11e9326f9aa821250de838d954e9bfab1b0ba9d494c82145bb878f8cfc4de1 [INFO] running `Command { std: "docker" "start" "-a" "ff11e9326f9aa821250de838d954e9bfab1b0ba9d494c82145bb878f8cfc4de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ff11e9326f9aa821250de838d954e9bfab1b0ba9d494c82145bb878f8cfc4de1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff11e9326f9aa821250de838d954e9bfab1b0ba9d494c82145bb878f8cfc4de1", kill_on_drop: false }` [INFO] [stdout] ff11e9326f9aa821250de838d954e9bfab1b0ba9d494c82145bb878f8cfc4de1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6d4c1ac1458d445b4442d0e50b01e0155bcd85c7a0740cdbea5d2acb617d867c [INFO] running `Command { std: "docker" "start" "-a" "6d4c1ac1458d445b4442d0e50b01e0155bcd85c7a0740cdbea5d2acb617d867c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking generic-array v0.9.1 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking ripemd160 v0.7.0 [INFO] [stderr] Checking md-5 v0.7.0 [INFO] [stderr] Checking sha-1 v0.7.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking yasna v0.1.3 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking pretty-good v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compression.rs:90:31 [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compression.rs:90:31 [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [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 6.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "6d4c1ac1458d445b4442d0e50b01e0155bcd85c7a0740cdbea5d2acb617d867c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6d4c1ac1458d445b4442d0e50b01e0155bcd85c7a0740cdbea5d2acb617d867c", kill_on_drop: false }` [INFO] [stdout] 6d4c1ac1458d445b4442d0e50b01e0155bcd85c7a0740cdbea5d2acb617d867c [INFO] checking pretty-good-0.2.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate pretty-good 0.2.2 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate pretty-good 0.2.2 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 pretty-good 0.2.2 [INFO] finished tweaking crates.io crate pretty-good 0.2.2 [INFO] tweaked toml for crates.io crate pretty-good 0.2.2 written to /workspace/builds/worker-4-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cbf0af5347b9af788fd0c613db769f1f902ac1bfbab4e50926a0b771ac80c249 [INFO] running `Command { std: "docker" "start" "-a" "cbf0af5347b9af788fd0c613db769f1f902ac1bfbab4e50926a0b771ac80c249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbf0af5347b9af788fd0c613db769f1f902ac1bfbab4e50926a0b771ac80c249", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf0af5347b9af788fd0c613db769f1f902ac1bfbab4e50926a0b771ac80c249", kill_on_drop: false }` [INFO] [stdout] cbf0af5347b9af788fd0c613db769f1f902ac1bfbab4e50926a0b771ac80c249 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5c70cb66368f19fe27c7e78d883811a7580f881df570a130f63c5eb643105a9a [INFO] running `Command { std: "docker" "start" "-a" "5c70cb66368f19fe27c7e78d883811a7580f881df570a130f63c5eb643105a9a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking arrayref v0.3.7 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking generic-array v0.9.1 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking ripemd160 v0.7.0 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking md-5 v0.7.0 [INFO] [stderr] Checking sha-1 v0.7.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking bzip2 v0.3.3 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking yasna v0.1.3 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking pretty-good v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compression.rs:90:31 [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/compression.rs:90:31 [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 90 | let mut deflater: Box = match self { [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 5.23s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, num-bigint v0.1.44, num-complex v0.1.43, num-rational v0.1.42 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "5c70cb66368f19fe27c7e78d883811a7580f881df570a130f63c5eb643105a9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c70cb66368f19fe27c7e78d883811a7580f881df570a130f63c5eb643105a9a", kill_on_drop: false }` [INFO] [stdout] 5c70cb66368f19fe27c7e78d883811a7580f881df570a130f63c5eb643105a9a