[INFO] fetching crate oss 0.3.0... [INFO] checking oss-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate oss 0.3.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate oss 0.3.0 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 oss 0.3.0 [INFO] finished tweaking crates.io crate oss 0.3.0 [INFO] tweaked toml for crates.io crate oss 0.3.0 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 152 packages [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding base64 v0.11.0 (latest: v0.22.0) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding blake2b_simd v0.5.11 (latest: v1.0.2) [INFO] [stderr] Adding bytes v0.5.6 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding constant_time_eq v0.1.5 (latest: v0.3.0) [INFO] [stderr] Adding dirs v1.0.5 (latest: v5.0.1) [INFO] [stderr] Adding foreign-types v0.3.2 (latest: v0.5.0) [INFO] [stderr] Adding foreign-types-shared v0.1.1 (latest: v0.3.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding h2 v0.2.7 (latest: v0.4.4) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding http v0.2.12 (latest: v1.1.0) [INFO] [stderr] Adding http-body v0.3.1 (latest: v1.0.0) [INFO] [stderr] Adding httpdate v0.3.2 (latest: v1.0.3) [INFO] [stderr] Adding hyper v0.13.10 (latest: v1.2.0) [INFO] [stderr] Adding hyper-tls v0.4.3 (latest: v0.6.0) [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 linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding mio v0.6.23 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.2.2 (latest: v0.6.0) [INFO] [stderr] Adding pin-project-lite v0.1.12 (latest: v0.2.14) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [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 redox_syscall v0.1.57 (latest: v0.5.1) [INFO] [stderr] Adding redox_users v0.3.5 (latest: v0.4.5) [INFO] [stderr] Adding reqwest v0.10.10 (latest: v0.12.3) [INFO] [stderr] Adding rust-argon2 v0.8.3 (latest: v2.1.0) [INFO] [stderr] Adding rust_util v0.2.6 (latest: v0.6.47) [INFO] [stderr] Adding socket2 v0.3.19 (latest: v0.5.6) [INFO] [stderr] Adding term v0.5.2 (latest: v0.7.0) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding tokio v0.2.25 (latest: v1.37.0) [INFO] [stderr] Adding tokio-util v0.3.1 (latest: v0.7.10) [INFO] [stderr] Adding urlencoding v1.3.3 (latest: v2.1.3) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding winreg v0.7.0 (latest: v0.52.0) [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 rust_util v0.2.6 [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] 04dd0994ffc46b5107927c4e18f82c9d9ed0f42e3c14979d8c552f7cb745a447 [INFO] running `Command { std: "docker" "start" "-a" "04dd0994ffc46b5107927c4e18f82c9d9ed0f42e3c14979d8c552f7cb745a447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04dd0994ffc46b5107927c4e18f82c9d9ed0f42e3c14979d8c552f7cb745a447", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04dd0994ffc46b5107927c4e18f82c9d9ed0f42e3c14979d8c552f7cb745a447", kill_on_drop: false }` [INFO] [stdout] 04dd0994ffc46b5107927c4e18f82c9d9ed0f42e3c14979d8c552f7cb745a447 [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] bcc5d581f00226ea0073b993e5afcc74d3987e0363eed692a525cca138ecfe1c [INFO] running `Command { std: "docker" "start" "-a" "bcc5d581f00226ea0073b993e5afcc74d3987e0363eed692a525cca138ecfe1c", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking tokio v0.2.25 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking urlencoding v1.3.3 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking json v0.12.4 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Checking rust_util v0.2.6 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.7 [INFO] [stderr] Checking hyper v0.13.10 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.10 [INFO] [stderr] Checking oss v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.45s [INFO] running `Command { std: "docker" "inspect" "bcc5d581f00226ea0073b993e5afcc74d3987e0363eed692a525cca138ecfe1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bcc5d581f00226ea0073b993e5afcc74d3987e0363eed692a525cca138ecfe1c", kill_on_drop: false }` [INFO] [stdout] bcc5d581f00226ea0073b993e5afcc74d3987e0363eed692a525cca138ecfe1c