[INFO] fetching crate ipfs-mfs 0.2.1...
[INFO] checking ipfs-mfs-0.2.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate ipfs-mfs 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ipfs-mfs 0.2.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipfs-mfs 0.2.1
[INFO] finished tweaking crates.io crate ipfs-mfs 0.2.1
[INFO] tweaked toml for crates.io crate ipfs-mfs 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded common-multipart-rfc7578 v0.2.0-rc
[INFO] [stderr]   Downloaded ipfs-api v0.8.0-rc.2
[INFO] [stderr]   Downloaded bs58 v0.4.0
[INFO] [stderr]   Downloaded typed-builder v0.6.0
[INFO] [stderr]   Downloaded hyper-multipart-rfc7578 v0.4.0-rc
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] 7155cb0cec70412efb6035cfdbe3eb9128f156ec75e4a5fb663e7fd566cbdfb0
[INFO] running `Command { std: "docker" "start" "-a" "7155cb0cec70412efb6035cfdbe3eb9128f156ec75e4a5fb663e7fd566cbdfb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7155cb0cec70412efb6035cfdbe3eb9128f156ec75e4a5fb663e7fd566cbdfb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7155cb0cec70412efb6035cfdbe3eb9128f156ec75e4a5fb663e7fd566cbdfb0", kill_on_drop: false }`
[INFO] [stdout] 7155cb0cec70412efb6035cfdbe3eb9128f156ec75e4a5fb663e7fd566cbdfb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a921863dadd92b37206fcfd69e49c0c2aa7c8b87193705c3e4f2eec3b81b7a
[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" "f8a921863dadd92b37206fcfd69e49c0c2aa7c8b87193705c3e4f2eec3b81b7a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-io v0.3.9
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-channel v0.3.9
[INFO] [stderr]     Checking futures-task v0.3.9
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.9
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling typed-builder v0.6.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.9
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.9
[INFO] [stderr]     Checking futures v0.3.9
[INFO] [stderr]     Checking common-multipart-rfc7578 v0.2.0-rc
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking parity-multiaddr v0.9.6
[INFO] [stdout] error[E0603]: module `export` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/parity-multiaddr-0.9.6/src/onion_addr.rs:3:12
[INFO] [stdout]     |
[INFO] [stdout] 3   | use serde::export::Formatter;
[INFO] [stdout]     |            ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `export` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.119/src/lib.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 | use self::__private as export;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-multiaddr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f8a921863dadd92b37206fcfd69e49c0c2aa7c8b87193705c3e4f2eec3b81b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a921863dadd92b37206fcfd69e49c0c2aa7c8b87193705c3e4f2eec3b81b7a", kill_on_drop: false }`
[INFO] [stdout] f8a921863dadd92b37206fcfd69e49c0c2aa7c8b87193705c3e4f2eec3b81b7a