[INFO] fetching crate env-snapshot 0.2.0... [INFO] checking env-snapshot-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate env-snapshot 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate env-snapshot 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 env-snapshot 0.2.0 [INFO] finished tweaking crates.io crate env-snapshot 0.2.0 [INFO] tweaked toml for crates.io crate env-snapshot 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate env-snapshot 0.2.0 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num_enum v0.5.2 [INFO] [stderr] Downloaded num_enum_derive v0.5.2 [INFO] [stderr] Downloaded flexbuffers v2.0.0 [INFO] [stderr] Downloaded autojson v0.1.0 [INFO] [stderr] Downloaded synstructure v0.12.5 [INFO] [stderr] Downloaded proc-macro2 v1.0.27 [INFO] [stderr] Downloaded serde v1.0.126 [INFO] [stderr] Downloaded subprocess v0.2.7 [INFO] [stderr] Downloaded addr2line v0.15.2 [INFO] [stderr] Downloaded object v0.25.3 [INFO] [stderr] Downloaded backtrace v0.3.60 [INFO] [stderr] Downloaded syn v1.0.73 [INFO] [stderr] Downloaded gimli v0.24.0 [INFO] [stderr] Downloaded serde_derive v1.0.126 [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] 1e3cebb4e6928b2b281f9b082fc2c62ac1ad2aaa5de82d610deaf793a30b5ee4 [INFO] running `Command { std: "docker" "start" "-a" "1e3cebb4e6928b2b281f9b082fc2c62ac1ad2aaa5de82d610deaf793a30b5ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e3cebb4e6928b2b281f9b082fc2c62ac1ad2aaa5de82d610deaf793a30b5ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e3cebb4e6928b2b281f9b082fc2c62ac1ad2aaa5de82d610deaf793a30b5ee4", kill_on_drop: false }` [INFO] [stdout] 1e3cebb4e6928b2b281f9b082fc2c62ac1ad2aaa5de82d610deaf793a30b5ee4 [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] a7ddcd5b19e261f94ff292dcf8de75f1171689379ad2700c6155b88d61f25742 [INFO] running `Command { std: "docker" "start" "-a" "a7ddcd5b19e261f94ff292dcf8de75f1171689379ad2700c6155b88d61f25742", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking subprocess v0.2.7 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Checking object v0.25.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking autojson v0.1.0 [INFO] [stderr] Compiling proc-macro-crate v1.0.0 [INFO] [stderr] Compiling num_enum_derive v0.5.2 [INFO] [stderr] Checking num_enum v0.5.2 [INFO] [stderr] Checking flexbuffers v2.0.0 [INFO] [stderr] Checking env-snapshot v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.56s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num_enum_derive v0.5.2 [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" "a7ddcd5b19e261f94ff292dcf8de75f1171689379ad2700c6155b88d61f25742", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7ddcd5b19e261f94ff292dcf8de75f1171689379ad2700c6155b88d61f25742", kill_on_drop: false }` [INFO] [stdout] a7ddcd5b19e261f94ff292dcf8de75f1171689379ad2700c6155b88d61f25742 [INFO] checking env-snapshot-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate env-snapshot 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate env-snapshot 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 env-snapshot 0.2.0 [INFO] finished tweaking crates.io crate env-snapshot 0.2.0 [INFO] tweaked toml for crates.io crate env-snapshot 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate env-snapshot 0.2.0 already has a lockfile, it will not be regenerated [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-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] 631d918aea13f97ef91fc2442be4e280fafea527ae1e926cf84e64aa5e57c328 [INFO] running `Command { std: "docker" "start" "-a" "631d918aea13f97ef91fc2442be4e280fafea527ae1e926cf84e64aa5e57c328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "631d918aea13f97ef91fc2442be4e280fafea527ae1e926cf84e64aa5e57c328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "631d918aea13f97ef91fc2442be4e280fafea527ae1e926cf84e64aa5e57c328", kill_on_drop: false }` [INFO] [stdout] 631d918aea13f97ef91fc2442be4e280fafea527ae1e926cf84e64aa5e57c328 [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] 848ff68ed6a72348e7c83d1f7542355095bcf3d38f755d93751e3881ab3a9579 [INFO] running `Command { std: "docker" "start" "-a" "848ff68ed6a72348e7c83d1f7542355095bcf3d38f755d93751e3881ab3a9579", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking subprocess v0.2.7 [INFO] [stderr] Checking object v0.25.3 [INFO] [stderr] Compiling backtrace v0.3.60 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking addr2line v0.15.2 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking autojson v0.1.0 [INFO] [stderr] Compiling proc-macro-crate v1.0.0 [INFO] [stderr] Compiling num_enum_derive v0.5.2 [INFO] [stderr] Checking num_enum v0.5.2 [INFO] [stderr] Checking flexbuffers v2.0.0 [INFO] [stderr] Checking env-snapshot v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.12s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num_enum_derive v0.5.2 [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" "848ff68ed6a72348e7c83d1f7542355095bcf3d38f755d93751e3881ab3a9579", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "848ff68ed6a72348e7c83d1f7542355095bcf3d38f755d93751e3881ab3a9579", kill_on_drop: false }` [INFO] [stdout] 848ff68ed6a72348e7c83d1f7542355095bcf3d38f755d93751e3881ab3a9579