[INFO] fetching crate http-whatever 0.1.1...
[INFO] checking http-whatever-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate http-whatever 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate http-whatever 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 http-whatever 0.1.1
[INFO] finished tweaking crates.io crate http-whatever 0.1.1
[INFO] tweaked toml for crates.io crate http-whatever 0.1.1 written to /workspace/builds/worker-3-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 13 packages
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding snafu v0.7.5 (latest: v0.8.2)
[INFO] [stderr]       Adding snafu-derive v0.7.5 (latest: v0.8.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bd4e8104e0803162fdd66bb9d0986de4f1ba4b5078404a58491129fce85eee1b
[INFO] running `Command { std: "docker" "start" "-a" "bd4e8104e0803162fdd66bb9d0986de4f1ba4b5078404a58491129fce85eee1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4e8104e0803162fdd66bb9d0986de4f1ba4b5078404a58491129fce85eee1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4e8104e0803162fdd66bb9d0986de4f1ba4b5078404a58491129fce85eee1b", kill_on_drop: false }`
[INFO] [stdout] bd4e8104e0803162fdd66bb9d0986de4f1ba4b5078404a58491129fce85eee1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f52e59bc69e8aab78b75d745e0bc6aa5468f0dc6e784197053641bf45c4dbc85
[INFO] running `Command { std: "docker" "start" "-a" "f52e59bc69e8aab78b75d745e0bc6aa5468f0dc6e784197053641bf45c4dbc85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking http-whatever v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.24s
[INFO] running `Command { std: "docker" "inspect" "f52e59bc69e8aab78b75d745e0bc6aa5468f0dc6e784197053641bf45c4dbc85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52e59bc69e8aab78b75d745e0bc6aa5468f0dc6e784197053641bf45c4dbc85", kill_on_drop: false }`
[INFO] [stdout] f52e59bc69e8aab78b75d745e0bc6aa5468f0dc6e784197053641bf45c4dbc85
[INFO] checking http-whatever-0.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate http-whatever 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate http-whatever 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 http-whatever 0.1.1
[INFO] finished tweaking crates.io crate http-whatever 0.1.1
[INFO] tweaked toml for crates.io crate http-whatever 0.1.1 written to /workspace/builds/worker-3-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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f60c8df4a64b46ed94e073c9a8002aa1093251c60a31a2338091a1f3bafb5f9f
[INFO] running `Command { std: "docker" "start" "-a" "f60c8df4a64b46ed94e073c9a8002aa1093251c60a31a2338091a1f3bafb5f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f60c8df4a64b46ed94e073c9a8002aa1093251c60a31a2338091a1f3bafb5f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60c8df4a64b46ed94e073c9a8002aa1093251c60a31a2338091a1f3bafb5f9f", kill_on_drop: false }`
[INFO] [stdout] f60c8df4a64b46ed94e073c9a8002aa1093251c60a31a2338091a1f3bafb5f9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 83d40cbeef8d58afda6408e120c076f41fcb3a73d0b5ab1c426dd06df3e9a1c9
[INFO] running `Command { std: "docker" "start" "-a" "83d40cbeef8d58afda6408e120c076f41fcb3a73d0b5ab1c426dd06df3e9a1c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking http-whatever v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.41s
[INFO] running `Command { std: "docker" "inspect" "83d40cbeef8d58afda6408e120c076f41fcb3a73d0b5ab1c426dd06df3e9a1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d40cbeef8d58afda6408e120c076f41fcb3a73d0b5ab1c426dd06df3e9a1c9", kill_on_drop: false }`
[INFO] [stdout] 83d40cbeef8d58afda6408e120c076f41fcb3a73d0b5ab1c426dd06df3e9a1c9