[INFO] fetching crate json-array-stream 0.1.0...
[INFO] checking json-array-stream-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate json-array-stream 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate json-array-stream 0.1.0 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 json-array-stream 0.1.0
[INFO] finished tweaking crates.io crate json-array-stream 0.1.0
[INFO] tweaked toml for crates.io crate json-array-stream 0.1.0 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 34 packages
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-macros v0.2.6 (latest: v2.2.0)
[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] 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] d271d9975cd661a9f94282507bb34a6a383bd09cf9be96b78882090441babe53
[INFO] running `Command { std: "docker" "start" "-a" "d271d9975cd661a9f94282507bb34a6a383bd09cf9be96b78882090441babe53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d271d9975cd661a9f94282507bb34a6a383bd09cf9be96b78882090441babe53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d271d9975cd661a9f94282507bb34a6a383bd09cf9be96b78882090441babe53", kill_on_drop: false }`
[INFO] [stdout] d271d9975cd661a9f94282507bb34a6a383bd09cf9be96b78882090441babe53
[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] 3e28ac5083a8a470bb1bc2f9425070bd5abc465fe89e4fdb95a27983319fce81
[INFO] running `Command { std: "docker" "start" "-a" "3e28ac5083a8a470bb1bc2f9425070bd5abc465fe89e4fdb95a27983319fce81", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking json-array-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "3e28ac5083a8a470bb1bc2f9425070bd5abc465fe89e4fdb95a27983319fce81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e28ac5083a8a470bb1bc2f9425070bd5abc465fe89e4fdb95a27983319fce81", kill_on_drop: false }`
[INFO] [stdout] 3e28ac5083a8a470bb1bc2f9425070bd5abc465fe89e4fdb95a27983319fce81
[INFO] checking json-array-stream-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate json-array-stream 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate json-array-stream 0.1.0 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 json-array-stream 0.1.0
[INFO] finished tweaking crates.io crate json-array-stream 0.1.0
[INFO] tweaked toml for crates.io crate json-array-stream 0.1.0 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] 2204d3baf2681854542c6af98dc969fdd15ba19d8da57488493ef5a653b0b7a1
[INFO] running `Command { std: "docker" "start" "-a" "2204d3baf2681854542c6af98dc969fdd15ba19d8da57488493ef5a653b0b7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2204d3baf2681854542c6af98dc969fdd15ba19d8da57488493ef5a653b0b7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2204d3baf2681854542c6af98dc969fdd15ba19d8da57488493ef5a653b0b7a1", kill_on_drop: false }`
[INFO] [stdout] 2204d3baf2681854542c6af98dc969fdd15ba19d8da57488493ef5a653b0b7a1
[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] ffcfbeac7234178863e2477dcb400aaae8a692b020537758f588d4c57927ed09
[INFO] running `Command { std: "docker" "start" "-a" "ffcfbeac7234178863e2477dcb400aaae8a692b020537758f588d4c57927ed09", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking json-array-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.05s
[INFO] running `Command { std: "docker" "inspect" "ffcfbeac7234178863e2477dcb400aaae8a692b020537758f588d4c57927ed09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffcfbeac7234178863e2477dcb400aaae8a692b020537758f588d4c57927ed09", kill_on_drop: false }`
[INFO] [stdout] ffcfbeac7234178863e2477dcb400aaae8a692b020537758f588d4c57927ed09