[INFO] fetching crate pico-streaming 0.1.4...
[INFO] checking pico-streaming-0.1.4 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate pico-streaming 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pico-streaming 0.1.4 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pico-streaming 0.1.4
[INFO] finished tweaking crates.io crate pico-streaming 0.1.4
[INFO] tweaked toml for crates.io crate pico-streaming 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--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 abort_on_panic v2.0.0
[INFO] [stderr]   Downloaded libffi v1.0.0
[INFO] [stderr]   Downloaded double_decker v0.0.3
[INFO] [stderr]   Downloaded log-derive v0.3.2
[INFO] [stderr]   Downloaded libffi-sys v1.1.0
[INFO] [stderr]   Downloaded pico-driver v0.1.4
[INFO] [stderr]   Downloaded pico-device v0.1.4
[INFO] [stderr]   Downloaded pico-common v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1156c7e5be4eda13c17adfcab7ecb512cd3890f12f9f9c49f4a1b7bf167a63e
[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" "a1156c7e5be4eda13c17adfcab7ecb512cd3890f12f9f9c49f4a1b7bf167a63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1156c7e5be4eda13c17adfcab7ecb512cd3890f12f9f9c49f4a1b7bf167a63e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1156c7e5be4eda13c17adfcab7ecb512cd3890f12f9f9c49f4a1b7bf167a63e", kill_on_drop: false }`
[INFO] [stdout] a1156c7e5be4eda13c17adfcab7ecb512cd3890f12f9f9c49f4a1b7bf167a63e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eef5a67355070795e1f56e537845e1ac9e510cba765c1be37eb05b003127bb8
[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" "2eef5a67355070795e1f56e537845e1ac9e510cba765c1be37eb05b003127bb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking abort_on_panic v2.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling libffi-sys v1.1.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking double_decker v0.0.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling mockall_derive v0.8.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling log-derive v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking pico-common v0.1.4
[INFO] [stderr]     Checking mockall v0.8.3
[INFO] [stderr]     Checking libffi v1.0.0
[INFO] [stderr]     Checking pico-driver v0.1.4
[INFO] [stderr]     Checking pico-device v0.1.4
[INFO] [stderr]     Checking pico-streaming v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "2eef5a67355070795e1f56e537845e1ac9e510cba765c1be37eb05b003127bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eef5a67355070795e1f56e537845e1ac9e510cba765c1be37eb05b003127bb8", kill_on_drop: false }`
[INFO] [stdout] 2eef5a67355070795e1f56e537845e1ac9e510cba765c1be37eb05b003127bb8