[INFO] fetching crate pico-driver 0.1.4...
[INFO] checking pico-driver-0.1.4 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate pico-driver 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pico-driver 0.1.4 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pico-driver 0.1.4
[INFO] finished tweaking crates.io crate pico-driver 0.1.4
[INFO] tweaked toml for crates.io crate pico-driver 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dfd0c8e71b24e20b04d288154630b4d834ac6d420c0ded58e8dd4991b7e96bb
[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" "6dfd0c8e71b24e20b04d288154630b4d834ac6d420c0ded58e8dd4991b7e96bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dfd0c8e71b24e20b04d288154630b4d834ac6d420c0ded58e8dd4991b7e96bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dfd0c8e71b24e20b04d288154630b4d834ac6d420c0ded58e8dd4991b7e96bb", kill_on_drop: false }`
[INFO] [stdout] 6dfd0c8e71b24e20b04d288154630b4d834ac6d420c0ded58e8dd4991b7e96bb
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b975e0dc0bc2db5729d9b9e8217c69bd01b8556f0cbd87188b1d4245c26903c
[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" "3b975e0dc0bc2db5729d9b9e8217c69bd01b8556f0cbd87188b1d4245c26903c", kill_on_drop: false }`
[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 v1.0.54
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking abort_on_panic v2.0.0
[INFO] [stderr]     Checking c_vec v1.3.3
[INFO] [stderr]     Checking version-compare v0.0.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.6.6
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling libffi-sys v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.1
[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 v1.0.7
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling darling_core v0.10.3
[INFO] [stderr]    Compiling enum-iterator-derive v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.10.3
[INFO] [stderr]     Checking enum-iterator v0.6.0
[INFO] [stderr]    Compiling darling v0.10.3
[INFO] [stderr]    Compiling log-derive v0.3.2
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pico-common v0.1.4
[INFO] [stderr]     Checking libffi v1.0.0
[INFO] [stderr]     Checking pico-driver v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "3b975e0dc0bc2db5729d9b9e8217c69bd01b8556f0cbd87188b1d4245c26903c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b975e0dc0bc2db5729d9b9e8217c69bd01b8556f0cbd87188b1d4245c26903c", kill_on_drop: false }`
[INFO] [stdout] 3b975e0dc0bc2db5729d9b9e8217c69bd01b8556f0cbd87188b1d4245c26903c