[INFO] fetching crate conform-derive 0.0.2...
[INFO] checking conform-derive-0.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate conform-derive 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate conform-derive 0.0.2 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 conform-derive 0.0.2
[INFO] finished tweaking crates.io crate conform-derive 0.0.2
[INFO] tweaked toml for crates.io crate conform-derive 0.0.2 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 43 packages
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding if_chain v0.1.3 (latest: v1.0.2)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding proc-macro2 v0.2.3 (latest: v1.0.79)
[INFO] [stderr]       Adding proc-macro2 v0.3.8 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.4.2 (latest: v1.0.35)
[INFO] [stderr]       Adding quote v0.5.2 (latest: v1.0.35)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding syn v0.12.15 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v0.13.11 (latest: v2.0.58)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding validator v0.6.3 (latest: v0.18.0)
[INFO] [stderr]       Adding validator_derive v0.6.5 (latest: v0.18.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded card-validate v2.4.0
[INFO] [stderr]   Downloaded if_chain v0.1.3
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded conform v0.0.2
[INFO] [stderr]   Downloaded validator_derive v0.6.5
[INFO] [stderr]   Downloaded validator v0.6.3
[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] 62ed7824dc12e8a2a6fca17793b44c66c9ca607522f383cb5e99ebeec9d95f77
[INFO] running `Command { std: "docker" "start" "-a" "62ed7824dc12e8a2a6fca17793b44c66c9ca607522f383cb5e99ebeec9d95f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62ed7824dc12e8a2a6fca17793b44c66c9ca607522f383cb5e99ebeec9d95f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ed7824dc12e8a2a6fca17793b44c66c9ca607522f383cb5e99ebeec9d95f77", kill_on_drop: false }`
[INFO] [stdout] 62ed7824dc12e8a2a6fca17793b44c66c9ca607522f383cb5e99ebeec9d95f77
[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] b46d0853989c1e4aef4fea993b27736c0e8b71b3ca55d682a2bdad5788d2f131
[INFO] running `Command { std: "docker" "start" "-a" "b46d0853989c1e4aef4fea993b27736c0e8b71b3ca55d682a2bdad5788d2f131", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking card-validate v2.4.0
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]     Checking conform v0.0.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking validator v0.6.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling conform-derive v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling validator_derive v0.6.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.13.11
[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" "b46d0853989c1e4aef4fea993b27736c0e8b71b3ca55d682a2bdad5788d2f131", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46d0853989c1e4aef4fea993b27736c0e8b71b3ca55d682a2bdad5788d2f131", kill_on_drop: false }`
[INFO] [stdout] b46d0853989c1e4aef4fea993b27736c0e8b71b3ca55d682a2bdad5788d2f131
[INFO] checking conform-derive-0.0.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate conform-derive 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate conform-derive 0.0.2 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 conform-derive 0.0.2
[INFO] finished tweaking crates.io crate conform-derive 0.0.2
[INFO] tweaked toml for crates.io crate conform-derive 0.0.2 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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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] ec4ea3fed15d6d2c0febb212a8fd0a2e169c55803bc19b082b565fb6c9cc99e7
[INFO] running `Command { std: "docker" "start" "-a" "ec4ea3fed15d6d2c0febb212a8fd0a2e169c55803bc19b082b565fb6c9cc99e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec4ea3fed15d6d2c0febb212a8fd0a2e169c55803bc19b082b565fb6c9cc99e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4ea3fed15d6d2c0febb212a8fd0a2e169c55803bc19b082b565fb6c9cc99e7", kill_on_drop: false }`
[INFO] [stdout] ec4ea3fed15d6d2c0febb212a8fd0a2e169c55803bc19b082b565fb6c9cc99e7
[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] f1c9f78371340587bfc6ceef31e925eb51bf972b70bd5f75d1c091f003324eef
[INFO] running `Command { std: "docker" "start" "-a" "f1c9f78371340587bfc6ceef31e925eb51bf972b70bd5f75d1c091f003324eef", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]     Checking card-validate v2.4.0
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking proc-macro2 v0.2.3
[INFO] [stderr]    Compiling conform v0.0.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking validator v0.6.3
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling conform-derive v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling validator_derive v0.6.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15, syn v0.13.11
[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" "f1c9f78371340587bfc6ceef31e925eb51bf972b70bd5f75d1c091f003324eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c9f78371340587bfc6ceef31e925eb51bf972b70bd5f75d1c091f003324eef", kill_on_drop: false }`
[INFO] [stdout] f1c9f78371340587bfc6ceef31e925eb51bf972b70bd5f75d1c091f003324eef