[INFO] fetching crate ipfs-mfs 0.2.1...
[INFO] checking ipfs-mfs-0.2.1 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate ipfs-mfs 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ipfs-mfs 0.2.1 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c4bf87fe7e6ffd5ee30aa7e50a081a170e179255dd2dda1d7358f76e66ada44
[INFO] running `Command { std: "docker" "start" "-a" "9c4bf87fe7e6ffd5ee30aa7e50a081a170e179255dd2dda1d7358f76e66ada44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c4bf87fe7e6ffd5ee30aa7e50a081a170e179255dd2dda1d7358f76e66ada44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4bf87fe7e6ffd5ee30aa7e50a081a170e179255dd2dda1d7358f76e66ada44", kill_on_drop: false }`
[INFO] [stdout] 9c4bf87fe7e6ffd5ee30aa7e50a081a170e179255dd2dda1d7358f76e66ada44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9909b13207793d54032125c2cd3b8ce90f8f0583697c2a41bc660e196b05a941
[INFO] running `Command { std: "docker" "start" "-a" "9909b13207793d54032125c2cd3b8ce90f8f0583697c2a41bc660e196b05a941", 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 syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking slab v0.4.3
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[INFO] [stderr]     Checking futures-sink v0.3.15
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[INFO] [stderr]    Compiling futures-macro v0.3.15
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[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-channel v0.3.15
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[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]    Compiling openssl-sys v0.9.65
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[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking rand v0.5.6
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[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling native-tls v0.2.7
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[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
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[INFO] [stderr]    Compiling typed-builder v0.6.0
[INFO] [stderr]     Checking tokio v0.2.25
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[INFO] [stderr]     Checking tracing-futures v0.2.5
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[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking common-multipart-rfc7578 v0.2.0-rc
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
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[INFO] [stderr]     Checking hyper-multipart-rfc7578 v0.4.0-rc
[INFO] [stderr]     Checking ipfs-api v0.8.0-rc.2
[INFO] [stderr]     Checking ipfs-mfs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "9909b13207793d54032125c2cd3b8ce90f8f0583697c2a41bc660e196b05a941", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9909b13207793d54032125c2cd3b8ce90f8f0583697c2a41bc660e196b05a941", kill_on_drop: false }`
[INFO] [stdout] 9909b13207793d54032125c2cd3b8ce90f8f0583697c2a41bc660e196b05a941