[INFO] fetching crate destream_json 0.5.5...
[INFO] checking destream_json-0.5.5 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate destream_json 0.5.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate destream_json 0.5.5 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate destream_json 0.5.5
[INFO] finished tweaking crates.io crate destream_json 0.5.5
[INFO] tweaked toml for crates.io crate destream_json 0.5.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded destream v0.4.0
[INFO] [stderr]   Downloaded collate v0.1.10
[INFO] [stderr]   Downloaded safecast v0.1.1
[INFO] [stderr]   Downloaded number-general v0.3.7
[INFO] [stderr]   Downloaded destream v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 648c7ece4385160e826fb1aea0a1a819fdef4922f4717f7826d42dc3c77fd9a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "648c7ece4385160e826fb1aea0a1a819fdef4922f4717f7826d42dc3c77fd9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "648c7ece4385160e826fb1aea0a1a819fdef4922f4717f7826d42dc3c77fd9a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648c7ece4385160e826fb1aea0a1a819fdef4922f4717f7826d42dc3c77fd9a8", kill_on_drop: false }`
[INFO] [stdout] 648c7ece4385160e826fb1aea0a1a819fdef4922f4717f7826d42dc3c77fd9a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 121c34b11d479895b4b4b0437a749bffb76a01da5be2829cef347a4007e7b0af
[INFO] running `Command { std: "docker" "start" "-a" "121c34b11d479895b4b4b0437a749bffb76a01da5be2829cef347a4007e7b0af", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]     Checking tokio-test v0.4.2
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking destream v0.3.2
[INFO] [stderr]     Checking destream_json v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "121c34b11d479895b4b4b0437a749bffb76a01da5be2829cef347a4007e7b0af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "121c34b11d479895b4b4b0437a749bffb76a01da5be2829cef347a4007e7b0af", kill_on_drop: false }`
[INFO] [stdout] 121c34b11d479895b4b4b0437a749bffb76a01da5be2829cef347a4007e7b0af