[INFO] fetching crate serde_json_v8 0.1.1... [INFO] checking serde_json_v8-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate serde_json_v8 0.1.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate serde_json_v8 0.1.1 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 serde_json_v8 0.1.1 [INFO] finished tweaking crates.io crate serde_json_v8 0.1.1 [INFO] tweaked toml for crates.io crate serde_json_v8 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 74 packages [INFO] [stderr] Adding automod v0.1.2 (latest: v1.0.14) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding compiletest_rs v0.3.26 (latest: v0.10.2) [INFO] [stderr] Adding dirs v2.0.2 (latest: v5.0.1) [INFO] [stderr] Adding dirs-sys v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding itoa v0.4.8 (latest: v1.0.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding rustfix v0.4.6 (latest: v0.8.1) [INFO] [stderr] Adding ryu-js v0.2.2 (latest: v1.0.1) [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 term v0.6.1 (latest: v0.7.0) [INFO] [stderr] Adding tester v0.6.0 (latest: v0.9.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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 tester v0.6.0 [INFO] [stderr] Downloaded ryu-js v0.2.2 [INFO] [stderr] Downloaded automod v0.1.2 [INFO] [stderr] Downloaded compiletest_rs v0.3.26 [INFO] [stderr] Downloaded stacker v0.1.15 [INFO] [stderr] Downloaded serde_stacker v0.1.11 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d92a228eb73c4e66893ac877cd86afd14f4baed93e6406b88ad749b92bf165c3 [INFO] running `Command { std: "docker" "start" "-a" "d92a228eb73c4e66893ac877cd86afd14f4baed93e6406b88ad749b92bf165c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d92a228eb73c4e66893ac877cd86afd14f4baed93e6406b88ad749b92bf165c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92a228eb73c4e66893ac877cd86afd14f4baed93e6406b88ad749b92bf165c3", kill_on_drop: false }` [INFO] [stdout] d92a228eb73c4e66893ac877cd86afd14f4baed93e6406b88ad749b92bf165c3 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85aaf9e0e8b860205d1224d68e13298d8f98c38977097a49893969f72ec7eb6c [INFO] running `Command { std: "docker" "start" "-a" "85aaf9e0e8b860205d1224d68e13298d8f98c38977097a49893969f72ec7eb6c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling psm v0.1.21 [INFO] [stderr] Compiling stacker v0.1.15 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling compiletest_rs v0.3.26 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking ryu-js v0.2.2 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking tester v0.6.0 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling automod v0.1.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_stacker v0.1.11 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking rustfix v0.4.6 [INFO] [stderr] Checking serde_json_v8 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.02s [INFO] running `Command { std: "docker" "inspect" "85aaf9e0e8b860205d1224d68e13298d8f98c38977097a49893969f72ec7eb6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85aaf9e0e8b860205d1224d68e13298d8f98c38977097a49893969f72ec7eb6c", kill_on_drop: false }` [INFO] [stdout] 85aaf9e0e8b860205d1224d68e13298d8f98c38977097a49893969f72ec7eb6c [INFO] checking serde_json_v8-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate serde_json_v8 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate serde_json_v8 0.1.1 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 serde_json_v8 0.1.1 [INFO] finished tweaking crates.io crate serde_json_v8 0.1.1 [INFO] tweaked toml for crates.io crate serde_json_v8 0.1.1 written to /workspace/builds/worker-0-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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fec0d9beeb630503f3486b5538b9a24b67cd9c0a3fdc15c84f9ee39e363f3b02 [INFO] running `Command { std: "docker" "start" "-a" "fec0d9beeb630503f3486b5538b9a24b67cd9c0a3fdc15c84f9ee39e363f3b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fec0d9beeb630503f3486b5538b9a24b67cd9c0a3fdc15c84f9ee39e363f3b02", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fec0d9beeb630503f3486b5538b9a24b67cd9c0a3fdc15c84f9ee39e363f3b02", kill_on_drop: false }` [INFO] [stdout] fec0d9beeb630503f3486b5538b9a24b67cd9c0a3fdc15c84f9ee39e363f3b02 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f84796b94f4139ace89670dcae2c3ea3713a8dc9812924f69f5dbf42cb722629 [INFO] running `Command { std: "docker" "start" "-a" "f84796b94f4139ace89670dcae2c3ea3713a8dc9812924f69f5dbf42cb722629", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling psm v0.1.21 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Compiling stacker v0.1.15 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling compiletest_rs v0.3.26 [INFO] [stderr] Checking ryu-js v0.2.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking diff v0.1.13 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking filetime v0.2.23 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking tester v0.6.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling automod v0.1.2 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_stacker v0.1.11 [INFO] [stderr] Checking serde_bytes v0.11.14 [INFO] [stderr] Checking rustfix v0.4.6 [INFO] [stderr] Checking serde_json_v8 v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:321:1 [INFO] [stdout] | [INFO] [stdout] 321 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.18s [INFO] running `Command { std: "docker" "inspect" "f84796b94f4139ace89670dcae2c3ea3713a8dc9812924f69f5dbf42cb722629", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f84796b94f4139ace89670dcae2c3ea3713a8dc9812924f69f5dbf42cb722629", kill_on_drop: false }` [INFO] [stdout] f84796b94f4139ace89670dcae2c3ea3713a8dc9812924f69f5dbf42cb722629