[INFO] cloning repository https://github.com/dignifiedquire/rust-ipfs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dignifiedquire/rust-ipfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdignifiedquire%2Frust-ipfs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdignifiedquire%2Frust-ipfs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cd73c6cf7ebc183eb437a44f213646a282227526 [INFO] checking dignifiedquire/rust-ipfs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdignifiedquire%2Frust-ipfs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dignifiedquire/rust-ipfs on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dignifiedquire/rust-ipfs [INFO] finished tweaking git repo https://github.com/dignifiedquire/rust-ipfs [INFO] tweaked toml for git repo https://github.com/dignifiedquire/rust-ipfs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dignifiedquire/rust-ipfs 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/libp2p/rust-libp2p` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Updating git repository `https://github.com/paritytech/futures-mutex` [INFO] [stderr] Updating git repository `https://github.com/Vurich/rust-smallvec.git` [INFO] [stderr] Updating git repository `https://github.com/redox-os/tfs` [INFO] [stderr] Locking 13 packages [INFO] [stderr] Adding cid v0.2.3 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding circular-buffer v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding datastore v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding libp2p-core v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding libp2p-identify v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding libp2p-mplex v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding libp2p-peerstore v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding libp2p-ping v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding libp2p-tcp-transport v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding multiaddr v0.3.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding multihash v0.8.1-pre (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding multistream-select v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Adding varint v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.4 [INFO] [stderr] Downloaded log v0.4.3 [INFO] [stderr] Downloaded byteorder v1.2.3 [INFO] [stderr] Downloaded iovec v0.1.2 [INFO] [stderr] Downloaded bytes v0.4.8 [INFO] [stderr] Downloaded tokio-io v0.1.7 [INFO] [stderr] Downloaded crunchy v0.1.6 [INFO] [stderr] Downloaded libc v0.2.42 [INFO] [stderr] Downloaded base-x v0.2.2 [INFO] [stderr] Downloaded safemem v0.2.0 [INFO] [stderr] Downloaded serde_json v1.0.22 [INFO] [stderr] Downloaded base64 v0.7.0 [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded mio v0.6.15 [INFO] [stderr] Downloaded slab v0.4.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.23 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] [stderr] Downloaded tokio-core v0.1.17 [INFO] [stderr] Downloaded parking_lot v0.4.8 [INFO] [stderr] Downloaded dtoa v0.4.3 [INFO] [stderr] Downloaded itoa v0.4.2 [INFO] [stderr] Downloaded redox_syscall v0.1.40 [INFO] [stderr] Downloaded tempfile v2.2.0 [INFO] [stderr] Downloaded serde v1.0.70 [INFO] [stderr] Downloaded quote v0.6.3 [INFO] [stderr] Downloaded syn v0.14.4 [INFO] [stderr] Downloaded serde_derive v1.0.70 [INFO] [stderr] Downloaded rand v0.3.22 [INFO] [stderr] Downloaded bs58 v0.2.0 [INFO] [stderr] Downloaded cc v1.0.17 [INFO] [stderr] Downloaded backtrace v0.3.9 [INFO] [stderr] Downloaded error-chain v0.11.0 [INFO] [stderr] Downloaded num-integer v0.1.39 [INFO] [stderr] Downloaded num-traits v0.2.5 [INFO] [stderr] Downloaded parking_lot v0.5.5 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded smallvec v0.5.0 [INFO] [stderr] Downloaded byteorder v0.4.2 [INFO] [stderr] Downloaded multibase v0.6.0 [INFO] [stderr] Downloaded arrayref v0.3.4 [INFO] [stderr] Downloaded block-buffer v0.3.3 [INFO] [stderr] Downloaded byte-tools v0.2.0 [INFO] [stderr] Downloaded generic-array v0.9.0 [INFO] [stderr] Downloaded sha2 v0.7.1 [INFO] [stderr] Downloaded lazy_static v1.0.1 [INFO] [stderr] Downloaded num_cpus v1.8.0 [INFO] [stderr] 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Downloaded lazycell v0.6.0 [INFO] [stderr] Downloaded tokio-reactor v0.1.2 [INFO] [stderr] Downloaded tokio-timer v0.2.4 [INFO] [stderr] Downloaded integer-encoding v1.0.5 [INFO] [stderr] Downloaded scopeguard v0.3.3 [INFO] [stderr] Downloaded tokio-executor v0.1.2 [INFO] [stderr] Downloaded scoped-tls v0.1.2 [INFO] [stderr] Downloaded tokio-fs v0.1.1 [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded futures v0.1.22 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3fad0c79a2b68b317d970f7089d289c310da4a58833f50da2987e5982950f50f [INFO] running `Command { std: "docker" "start" "-a" "3fad0c79a2b68b317d970f7089d289c310da4a58833f50da2987e5982950f50f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3fad0c79a2b68b317d970f7089d289c310da4a58833f50da2987e5982950f50f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fad0c79a2b68b317d970f7089d289c310da4a58833f50da2987e5982950f50f", kill_on_drop: false }` [INFO] [stdout] 3fad0c79a2b68b317d970f7089d289c310da4a58833f50da2987e5982950f50f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9a88ad7d640d2823a2d7e06e80e821be87bf73edca994bf4bc1eaa5e754d9864 [INFO] running `Command { std: "docker" "start" "-a" "9a88ad7d640d2823a2d7e06e80e821be87bf73edca994bf4bc1eaa5e754d9864", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking futures v0.1.22 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Checking smallvec v0.6.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Checking arrayref v0.3.4 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking tiny-keccak v1.4.2 [INFO] [stderr] Checking base-x v0.2.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking sha1 v0.5.0 [INFO] [stderr] Checking multibase v0.6.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking integer-encoding v1.0.5 [INFO] [stderr] Compiling protobuf v1.7.3 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking digest v0.7.4 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking smallvec v0.5.0 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking byteorder v0.4.2 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking multihash v0.8.1-pre (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking cid v0.2.3 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking bs58 v0.2.0 [INFO] [stderr] Checking multiaddr v0.3.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking tokio-threadpool v0.1.5 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking varint v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking chashmap v2.2.1 (https://github.com/redox-os/tfs#3e7dcdb0) [INFO] [stderr] Compiling syn v0.14.4 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking multistream-select v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking smallvec v0.6.0 (https://github.com/Vurich/rust-smallvec.git?branch=array-zero#cccd8735) [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking futures-mutex v0.3.0 (https://github.com/paritytech/futures-mutex#18ca1125) [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking circular-buffer v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Checking libp2p-core v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-ping v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-tcp-transport v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-mplex v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking serde_json v1.0.22 [INFO] [stderr] Checking datastore v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-peerstore v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-identify v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking ipfs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `PeerAccess`, `Peerstore` [INFO] [stdout] --> src/main.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | use libp2p_peerstore::{PeerAccess, PeerId, Peerstore}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libp2p_ping::Ping` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use libp2p_ping::Ping; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:114:23 [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PeerAccess`, `Peerstore` [INFO] [stdout] --> src/main.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | use libp2p_peerstore::{PeerAccess, PeerId, Peerstore}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libp2p_ping::Ping` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use libp2p_ping::Ping; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:114:23 [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_peer_id_clone` [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let my_peer_id_clone = my_peer_id.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_peer_id_clone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_peer_id_clone` [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let my_peer_id_clone = my_peer_id.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_peer_id_clone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.91s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "9a88ad7d640d2823a2d7e06e80e821be87bf73edca994bf4bc1eaa5e754d9864", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a88ad7d640d2823a2d7e06e80e821be87bf73edca994bf4bc1eaa5e754d9864", kill_on_drop: false }` [INFO] [stdout] 9a88ad7d640d2823a2d7e06e80e821be87bf73edca994bf4bc1eaa5e754d9864 [INFO] checking dignifiedquire/rust-ipfs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdignifiedquire%2Frust-ipfs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dignifiedquire/rust-ipfs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dignifiedquire/rust-ipfs [INFO] finished tweaking git repo https://github.com/dignifiedquire/rust-ipfs [INFO] tweaked toml for git repo https://github.com/dignifiedquire/rust-ipfs written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dignifiedquire/rust-ipfs 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ce7ea5b083be1c0e13ae5837a8da98a382ce590895c22fc186db43c78d650e4 [INFO] running `Command { std: "docker" "start" "-a" "4ce7ea5b083be1c0e13ae5837a8da98a382ce590895c22fc186db43c78d650e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ce7ea5b083be1c0e13ae5837a8da98a382ce590895c22fc186db43c78d650e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ce7ea5b083be1c0e13ae5837a8da98a382ce590895c22fc186db43c78d650e4", kill_on_drop: false }` [INFO] [stdout] 4ce7ea5b083be1c0e13ae5837a8da98a382ce590895c22fc186db43c78d650e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e094845c5a53d11a7b7914203392c674ce565eba0ef581a048a14ddac0086162 [INFO] running `Command { std: "docker" "start" "-a" "e094845c5a53d11a7b7914203392c674ce565eba0ef581a048a14ddac0086162", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking cfg-if v0.1.4 [INFO] [stderr] Checking futures v0.1.22 [INFO] [stderr] Checking byteorder v1.2.3 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling cc v1.0.17 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking stable_deref_trait v1.1.0 [INFO] [stderr] Checking log v0.4.3 [INFO] [stderr] Compiling crunchy v0.1.6 [INFO] [stderr] Checking smallvec v0.6.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking arrayref v0.3.4 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking bytes v0.4.8 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking rustc-demangle v0.1.8 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking tiny-keccak v1.4.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking sha1 v0.5.0 [INFO] [stderr] Checking base-x v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Compiling protobuf v1.7.3 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking multibase v0.6.0 [INFO] [stderr] Checking integer-encoding v1.0.5 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Compiling backtrace-sys v0.1.23 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking parking_lot v0.5.5 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking byteorder v0.4.2 [INFO] [stderr] Checking lazy_static v1.0.1 [INFO] [stderr] Checking smallvec v0.5.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking digest v0.7.4 [INFO] [stderr] Checking crossbeam-epoch v0.4.3 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking tokio-io v0.1.7 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking multihash v0.8.1-pre (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Compiling serde v1.0.70 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking cid v0.2.3 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking bs58 v0.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking multiaddr v0.3.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling proc-macro2 v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.3.1 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-reactor v0.1.2 [INFO] [stderr] Checking tokio-threadpool v0.1.5 [INFO] [stderr] Checking dtoa v0.4.3 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Compiling quote v0.6.3 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking tokio-udp v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Compiling syn v0.14.4 [INFO] [stderr] Checking base64 v0.7.0 [INFO] [stderr] Checking chashmap v2.2.1 (https://github.com/redox-os/tfs#3e7dcdb0) [INFO] [stderr] Checking tokio-timer v0.2.4 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking tempfile v2.2.0 [INFO] [stderr] Checking tokio-fs v0.1.1 [INFO] [stderr] Checking smallvec v0.6.0 (https://github.com/Vurich/rust-smallvec.git?branch=array-zero#cccd8735) [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking futures-mutex v0.3.0 (https://github.com/paritytech/futures-mutex#18ca1125) [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking tokio v0.1.7 [INFO] [stderr] Checking varint v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking circular-buffer v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking multistream-select v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling serde_derive v1.0.70 [INFO] [stderr] Checking libp2p-core v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-tcp-transport v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-ping v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-mplex v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking serde_json v1.0.22 [INFO] [stderr] Checking datastore v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-peerstore v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking libp2p-identify v0.1.0 (https://github.com/libp2p/rust-libp2p?branch=master#18075f4e) [INFO] [stderr] Checking ipfs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `PeerAccess`, `Peerstore` [INFO] [stdout] --> src/main.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | use libp2p_peerstore::{PeerAccess, PeerId, Peerstore}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libp2p_ping::Ping` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use libp2p_ping::Ping; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PeerAccess`, `Peerstore` [INFO] [stdout] --> src/main.rs:17:24 [INFO] [stdout] | [INFO] [stdout] 17 | use libp2p_peerstore::{PeerAccess, PeerId, Peerstore}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `libp2p_ping::Ping` [INFO] [stdout] --> src/main.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use libp2p_ping::Ping; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:114:23 [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:114:23 [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 114 | type Future = Box>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_peer_id_clone` [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let my_peer_id_clone = my_peer_id.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_peer_id_clone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_peer_id_clone` [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let my_peer_id_clone = my_peer_id.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_peer_id_clone` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.46s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.4 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "e094845c5a53d11a7b7914203392c674ce565eba0ef581a048a14ddac0086162", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e094845c5a53d11a7b7914203392c674ce565eba0ef581a048a14ddac0086162", kill_on_drop: false }` [INFO] [stdout] e094845c5a53d11a7b7914203392c674ce565eba0ef581a048a14ddac0086162