[INFO] fetching crate tiny-cid 0.3.0...
[INFO] checking tiny-cid-0.3.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tiny-cid 0.3.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate tiny-cid 0.3.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiny-cid 0.3.0
[INFO] finished tweaking crates.io crate tiny-cid 0.3.0
[INFO] tweaked toml for crates.io crate tiny-cid 0.3.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e8c4d7044c2e9767e870568082c19d02a3dabf27fb5d59786cb8c213c979d77
[INFO] running `Command { std: "docker" "start" "-a" "9e8c4d7044c2e9767e870568082c19d02a3dabf27fb5d59786cb8c213c979d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e8c4d7044c2e9767e870568082c19d02a3dabf27fb5d59786cb8c213c979d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8c4d7044c2e9767e870568082c19d02a3dabf27fb5d59786cb8c213c979d77", kill_on_drop: false }`
[INFO] [stdout] 9e8c4d7044c2e9767e870568082c19d02a3dabf27fb5d59786cb8c213c979d77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f4c28f47d63c774550c4293bcc0bdfb451451699c2f9a94edf727bbb41f8b77
[INFO] running `Command { std: "docker" "start" "-a" "2f4c28f47d63c774550c4293bcc0bdfb451451699c2f9a94edf727bbb41f8b77", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking strobe-rs v0.5.4
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling tiny-multihash-derive v0.5.0
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking tiny-multihash v0.5.0
[INFO] [stderr]     Checking tiny-cid v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "2f4c28f47d63c774550c4293bcc0bdfb451451699c2f9a94edf727bbb41f8b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4c28f47d63c774550c4293bcc0bdfb451451699c2f9a94edf727bbb41f8b77", kill_on_drop: false }`
[INFO] [stdout] 2f4c28f47d63c774550c4293bcc0bdfb451451699c2f9a94edf727bbb41f8b77