[INFO] fetching crate k8-obj-core 2.1.1...
[INFO] checking k8-obj-core-2.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate k8-obj-core 2.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate k8-obj-core 2.1.1 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 k8-obj-core 2.1.1
[INFO] finished tweaking crates.io crate k8-obj-core 2.1.1
[INFO] tweaked toml for crates.io crate k8-obj-core 2.1.1 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 42 packages
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding http v0.1.21 (latest: v1.1.0)
[INFO] [stderr]       Adding itoa v0.4.8 (latest: v1.0.11)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding serde_qs v0.4.6 (latest: v0.12.0)
[INFO] [stderr]       Adding serde_qs v0.8.5 (latest: v0.12.0)
[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 serde_qs v0.4.6
[INFO] [stderr]   Downloaded k8-obj-metadata v2.0.2
[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] 727c6063a295b757a6eb7b8c295a2115a7c7ddf794afcd41a9921dbc82fb74df
[INFO] running `Command { std: "docker" "start" "-a" "727c6063a295b757a6eb7b8c295a2115a7c7ddf794afcd41a9921dbc82fb74df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "727c6063a295b757a6eb7b8c295a2115a7c7ddf794afcd41a9921dbc82fb74df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727c6063a295b757a6eb7b8c295a2115a7c7ddf794afcd41a9921dbc82fb74df", kill_on_drop: false }`
[INFO] [stdout] 727c6063a295b757a6eb7b8c295a2115a7c7ddf794afcd41a9921dbc82fb74df
[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] 4278bd60b0dc2224fb1a4ffe87bfd9f349ed68308127e3d5c18ff4cf3c743087
[INFO] running `Command { std: "docker" "start" "-a" "4278bd60b0dc2224fb1a4ffe87bfd9f349ed68308127e3d5c18ff4cf3c743087", kill_on_drop: false }`
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking k8-obj-metadata v2.0.2
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking serde_qs v0.4.6
[INFO] [stderr]     Checking k8-obj-core v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.07s
[INFO] running `Command { std: "docker" "inspect" "4278bd60b0dc2224fb1a4ffe87bfd9f349ed68308127e3d5c18ff4cf3c743087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4278bd60b0dc2224fb1a4ffe87bfd9f349ed68308127e3d5c18ff4cf3c743087", kill_on_drop: false }`
[INFO] [stdout] 4278bd60b0dc2224fb1a4ffe87bfd9f349ed68308127e3d5c18ff4cf3c743087
[INFO] checking k8-obj-core-2.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate k8-obj-core 2.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate k8-obj-core 2.1.1 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 k8-obj-core 2.1.1
[INFO] finished tweaking crates.io crate k8-obj-core 2.1.1
[INFO] tweaked toml for crates.io crate k8-obj-core 2.1.1 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]     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-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] 47e85d78f71d15a3c0f2b8d4f9182375a7ebab171a5e547148d92541f933cca5
[INFO] running `Command { std: "docker" "start" "-a" "47e85d78f71d15a3c0f2b8d4f9182375a7ebab171a5e547148d92541f933cca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e85d78f71d15a3c0f2b8d4f9182375a7ebab171a5e547148d92541f933cca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e85d78f71d15a3c0f2b8d4f9182375a7ebab171a5e547148d92541f933cca5", kill_on_drop: false }`
[INFO] [stdout] 47e85d78f71d15a3c0f2b8d4f9182375a7ebab171a5e547148d92541f933cca5
[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] 8b5f7c951e50bbcaf7d2aca5d7a92437c41270c0055b57069dc67de76e44f8ca
[INFO] running `Command { std: "docker" "start" "-a" "8b5f7c951e50bbcaf7d2aca5d7a92437c41270c0055b57069dc67de76e44f8ca", kill_on_drop: false }`
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking k8-obj-metadata v2.0.2
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking serde_qs v0.4.6
[INFO] [stderr]     Checking k8-obj-core v2.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.01s
[INFO] running `Command { std: "docker" "inspect" "8b5f7c951e50bbcaf7d2aca5d7a92437c41270c0055b57069dc67de76e44f8ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b5f7c951e50bbcaf7d2aca5d7a92437c41270c0055b57069dc67de76e44f8ca", kill_on_drop: false }`
[INFO] [stdout] 8b5f7c951e50bbcaf7d2aca5d7a92437c41270c0055b57069dc67de76e44f8ca