[INFO] fetching crate cb2 0.1.2... [INFO] checking cb2-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate cb2 0.1.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate cb2 0.1.2 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 cb2 0.1.2 [INFO] finished tweaking crates.io crate cb2 0.1.2 [INFO] tweaked toml for crates.io crate cb2 0.1.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 144 packages [INFO] [stderr] Adding ansi_term v0.11.0 (latest: v0.12.1) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytes v0.4.12 (latest: v1.6.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding crossbeam-deque v0.7.4 (latest: v0.8.5) [INFO] [stderr] Adding crossbeam-epoch v0.8.2 (latest: v0.9.18) [INFO] [stderr] Adding crossbeam-queue v0.1.2 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-queue v0.2.3 (latest: v0.3.11) [INFO] [stderr] Adding crossbeam-utils v0.6.6 (latest: v0.8.19) [INFO] [stderr] Adding crossbeam-utils v0.7.2 (latest: v0.8.19) [INFO] [stderr] Adding env_logger v0.6.2 (latest: v0.11.3) [INFO] [stderr] Adding futures v0.1.31 (latest: v0.3.30) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding lock_api v0.3.4 (latest: v0.4.11) [INFO] [stderr] Adding memoffset v0.5.6 (latest: v0.9.1) [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 miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding parking_lot v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.6.3 (latest: v0.9.9) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding rand v0.6.5 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.1.1 (latest: v0.3.1) [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 rand_hc v0.1.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_isaac v0.1.1 (latest: v0.3.0) [INFO] [stderr] Adding rand_jitter v0.1.4 (latest: v0.4.0) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_pcg v0.1.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_xorshift v0.1.1 (latest: v0.3.0) [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 rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding serde_yaml v0.8.26 (latest: v0.9.34+deprecated) [INFO] [stderr] Adding smallvec v0.6.14 (latest: v1.13.2) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding tokio v0.1.22 (latest: v1.37.0) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] [stderr] Adding uuid v0.7.4 (latest: v1.8.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.6.2 [INFO] [stderr] Downloaded tokio-fs v0.1.7 [INFO] [stderr] Downloaded cb2_core v0.1.2 [INFO] [stderr] Downloaded tokio-udp v0.1.6 [INFO] [stderr] Downloaded tokio-codec v0.1.2 [INFO] [stderr] Downloaded tokio-signal v0.2.9 [INFO] [stderr] Downloaded from_file v0.1.3 [INFO] [stderr] Downloaded crossbeam-utils v0.6.6 [INFO] [stderr] Downloaded crossbeam-queue v0.1.2 [INFO] [stderr] Downloaded from_file_derive v0.1.3 [INFO] [stderr] Downloaded tokio-process v0.2.5 [INFO] [stderr] Downloaded tokio-uds v0.2.7 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d9639076640690d22cff4fe1dabb8e010e686ac1a44971d22aac9783d7b707e [INFO] running `Command { std: "docker" "start" "-a" "9d9639076640690d22cff4fe1dabb8e010e686ac1a44971d22aac9783d7b707e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d9639076640690d22cff4fe1dabb8e010e686ac1a44971d22aac9783d7b707e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d9639076640690d22cff4fe1dabb8e010e686ac1a44971d22aac9783d7b707e", kill_on_drop: false }` [INFO] [stdout] 9d9639076640690d22cff4fe1dabb8e010e686ac1a44971d22aac9783d7b707e [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88c8a81cd5dffbd932641d2b5e41e567c2a07430fa298350cf92a7c0e428d1b7 [INFO] running `Command { std: "docker" "start" "-a" "88c8a81cd5dffbd932641d2b5e41e567c2a07430fa298350cf92a7c0e428d1b7", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking from_file v0.1.3 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-signal v0.2.9 [INFO] [stderr] Checking tokio-process v0.2.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling from_file_derive v0.1.3 [INFO] [stderr] Checking cb2_core v0.1.2 [INFO] [stderr] Checking cb2 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s [INFO] running `Command { std: "docker" "inspect" "88c8a81cd5dffbd932641d2b5e41e567c2a07430fa298350cf92a7c0e428d1b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c8a81cd5dffbd932641d2b5e41e567c2a07430fa298350cf92a7c0e428d1b7", kill_on_drop: false }` [INFO] [stdout] 88c8a81cd5dffbd932641d2b5e41e567c2a07430fa298350cf92a7c0e428d1b7 [INFO] checking cb2-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate cb2 0.1.2 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate cb2 0.1.2 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 cb2 0.1.2 [INFO] finished tweaking crates.io crate cb2 0.1.2 [INFO] tweaked toml for crates.io crate cb2 0.1.2 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" "+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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6e4068157ae3b0c1f5450e1e42a687201aaefcde47805db7a4e6b8763e2a6c06 [INFO] running `Command { std: "docker" "start" "-a" "6e4068157ae3b0c1f5450e1e42a687201aaefcde47805db7a4e6b8763e2a6c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6e4068157ae3b0c1f5450e1e42a687201aaefcde47805db7a4e6b8763e2a6c06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e4068157ae3b0c1f5450e1e42a687201aaefcde47805db7a4e6b8763e2a6c06", kill_on_drop: false }` [INFO] [stdout] 6e4068157ae3b0c1f5450e1e42a687201aaefcde47805db7a4e6b8763e2a6c06 [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90abcfe396f14675600bad5d4e29eb8fdd4f78055e033687a98af3530735649f [INFO] running `Command { std: "docker" "start" "-a" "90abcfe396f14675600bad5d4e29eb8fdd4f78055e033687a98af3530735649f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking parking_lot_core v0.6.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking serde_yaml v0.8.26 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking from_file v0.1.3 [INFO] [stderr] Checking tokio-signal v0.2.9 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-process v0.2.5 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Compiling from_file_derive v0.1.3 [INFO] [stderr] Checking cb2_core v0.1.2 [INFO] [stderr] Checking cb2 v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.24s [INFO] running `Command { std: "docker" "inspect" "90abcfe396f14675600bad5d4e29eb8fdd4f78055e033687a98af3530735649f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90abcfe396f14675600bad5d4e29eb8fdd4f78055e033687a98af3530735649f", kill_on_drop: false }` [INFO] [stdout] 90abcfe396f14675600bad5d4e29eb8fdd4f78055e033687a98af3530735649f