[INFO] fetching crate penumbra 0.1.0...
[INFO] checking penumbra-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate penumbra 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate penumbra 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate penumbra 0.1.0
[INFO] finished tweaking crates.io crate penumbra 0.1.0
[INFO] tweaked toml for crates.io crate penumbra 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate penumbra 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.5
[INFO] [stderr]   Downloaded tokio-macros v0.2.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.9
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.3
[INFO] [stderr]   Downloaded tower-service v0.3.0
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded futures v0.3.1
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded pin-project v0.4.6
[INFO] [stderr]   Downloaded http v0.2.0
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded h2 v0.2.1
[INFO] [stderr]   Downloaded hyper v0.13.1
[INFO] [stderr]   Downloaded socket2 v0.3.11
[INFO] [stderr]   Downloaded tokio v0.2.6
[INFO] [stderr]   Downloaded arc-swap v0.4.4
[INFO] [stderr]   Downloaded futures-channel v0.3.1
[INFO] [stderr]   Downloaded futures-io v0.3.1
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded tokio-util v0.2.0
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded futures-macro v0.3.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.11
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.6
[INFO] [stderr]   Downloaded thiserror v1.0.9
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded futures-sink v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2875c4f357f994fd9bc5cdebcca705bfd0f75f9459b14202cd0ac73bbebf99a2
[INFO] running `Command { std: "docker" "start" "-a" "2875c4f357f994fd9bc5cdebcca705bfd0f75f9459b14202cd0ac73bbebf99a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2875c4f357f994fd9bc5cdebcca705bfd0f75f9459b14202cd0ac73bbebf99a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2875c4f357f994fd9bc5cdebcca705bfd0f75f9459b14202cd0ac73bbebf99a2", kill_on_drop: false }`
[INFO] [stdout] 2875c4f357f994fd9bc5cdebcca705bfd0f75f9459b14202cd0ac73bbebf99a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38a7c14e404b08e09e57b8c0f39315d88a4b4e605ae39c40fab138b66007c4f3
[INFO] running `Command { std: "docker" "start" "-a" "38a7c14e404b08e09e57b8c0f39315d88a4b4e605ae39c40fab138b66007c4f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking tokio v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking penumbra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `Command { std: "docker" "inspect" "38a7c14e404b08e09e57b8c0f39315d88a4b4e605ae39c40fab138b66007c4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a7c14e404b08e09e57b8c0f39315d88a4b4e605ae39c40fab138b66007c4f3", kill_on_drop: false }`
[INFO] [stdout] 38a7c14e404b08e09e57b8c0f39315d88a4b4e605ae39c40fab138b66007c4f3