[INFO] fetching crate iprs 0.0.4...
[INFO] checking iprs-0.0.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate iprs 0.0.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate iprs 0.0.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iprs 0.0.4
[INFO] finished tweaking crates.io crate iprs 0.0.4
[INFO] tweaked toml for crates.io crate iprs 0.0.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate iprs 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.1.1
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.8
[INFO] [stderr]   Downloaded blake3 v0.3.7
[INFO] [stderr]   Downloaded signature v1.2.2
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.2
[INFO] [stderr]   Downloaded blake2s_simd v0.5.10
[INFO] [stderr]   Downloaded bs58 v0.3.1
[INFO] [stderr]   Downloaded ed25519 v1.0.2
[INFO] [stderr]   Downloaded pin-project-internal v0.4.26
[INFO] [stderr]   Downloaded asn1_der v0.6.3
[INFO] [stderr]   Downloaded md4 v0.9.0
[INFO] [stderr]   Downloaded ctrlc v3.1.6
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.0
[INFO] [stderr]   Downloaded multibase v0.8.0
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded sha-1 v0.9.1
[INFO] [stderr]   Downloaded unsigned-varint v0.5.1
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.8
[INFO] [stderr]   Downloaded simplelog v0.7.6
[INFO] [stderr]   Downloaded sha3 v0.9.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded dns-lookup v1.0.4
[INFO] [stderr]   Downloaded threefish-cipher v0.3.1
[INFO] [stderr]   Downloaded k12 v0.1.0
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.5
[INFO] [stderr]   Downloaded ripemd320 v0.9.0
[INFO] [stderr]   Downloaded skein-hash v0.3.0
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded sha2 v0.9.1
[INFO] [stderr]   Downloaded ripemd160 v0.9.1
[INFO] [stderr]   Downloaded block-padding v0.2.1
[INFO] [stderr]   Downloaded parse_int v0.4.0
[INFO] [stderr]   Downloaded data-encoding v2.3.0
[INFO] [stderr]   Downloaded anyhow v1.0.33
[INFO] [stderr]   Downloaded pin-project v0.4.26
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] 49ccb652611afaf8185bcaae08fee968dbc60a4a523c0bfc68c077a66fae7837
[INFO] running `Command { std: "docker" "start" "-a" "49ccb652611afaf8185bcaae08fee968dbc60a4a523c0bfc68c077a66fae7837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49ccb652611afaf8185bcaae08fee968dbc60a4a523c0bfc68c077a66fae7837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ccb652611afaf8185bcaae08fee968dbc60a4a523c0bfc68c077a66fae7837", kill_on_drop: false }`
[INFO] [stdout] 49ccb652611afaf8185bcaae08fee968dbc60a4a523c0bfc68c077a66fae7837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b19b6f6e65ad440ea76a4b4ad2d802f4d9ad62c25d3885c1e4c9abcfa2061e07
[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" "b19b6f6e65ad440ea76a4b4ad2d802f4d9ad62c25d3885c1e4c9abcfa2061e07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling data-encoding v2.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking base-x v0.2.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crunchy v0.2.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking dns-lookup v1.0.4
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking threefish-cipher v0.3.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking k12 v0.1.0
[INFO] [stderr]     Checking ripemd320 v0.9.0
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking md4 v0.9.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking skein-hash v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parse_int v0.4.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking ctrlc v3.1.6
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.8
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking data-encoding-macro v0.1.8
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]    Compiling iprs v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/multihash/mod.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/multihash/mod.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "b19b6f6e65ad440ea76a4b4ad2d802f4d9ad62c25d3885c1e4c9abcfa2061e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19b6f6e65ad440ea76a4b4ad2d802f4d9ad62c25d3885c1e4c9abcfa2061e07", kill_on_drop: false }`
[INFO] [stdout] b19b6f6e65ad440ea76a4b4ad2d802f4d9ad62c25d3885c1e4c9abcfa2061e07