[INFO] fetching crate tox_core 0.1.1...
[INFO] checking tox_core-0.1.1 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate tox_core 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate tox_core 0.1.1 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tox_core 0.1.1
[INFO] finished tweaking crates.io crate tox_core 0.1.1
[INFO] tweaked toml for crates.io crate tox_core 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.6.6
[INFO] [stderr]   Downloaded tox_crypto v0.1.1
[INFO] [stderr]   Downloaded tox_binary_io v0.1.1
[INFO] [stderr]   Downloaded tox_packet v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64e9b820fa07ab051b5cb9f8d609379b4a4229886dce90dc0735a1bb834d4030
[INFO] running `Command { std: "docker" "start" "-a" "64e9b820fa07ab051b5cb9f8d609379b4a4229886dce90dc0735a1bb834d4030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64e9b820fa07ab051b5cb9f8d609379b4a4229886dce90dc0735a1bb834d4030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e9b820fa07ab051b5cb9f8d609379b4a4229886dce90dc0735a1bb834d4030", kill_on_drop: false }`
[INFO] [stdout] 64e9b820fa07ab051b5cb9f8d609379b4a4229886dce90dc0735a1bb834d4030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2779f54fe492f911463deaa01cddc5449eb32d0d5bc9201531ca0c50ee979b2c
[INFO] running `Command { std: "docker" "start" "-a" "2779f54fe492f911463deaa01cddc5449eb32d0d5bc9201531ca0c50ee979b2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling ahash v0.7.7
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking lru v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking tox_binary_io v0.1.1
[INFO] [stderr]     Checking tox_crypto v0.1.1
[INFO] [stderr]     Checking tox_packet v0.1.1
[INFO] [stderr]     Checking tox_core v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `real_sk` and `real_pk` are never read
[INFO] [stdout]   --> src/friend_connection/mod.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct FriendConnections {
[INFO] [stdout]    |            ----------------- fields in this struct
[INFO] [stdout] 94 |     /// Our long term `SecretKey`.
[INFO] [stdout] 95 |     real_sk: SecretKey,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 96 |     /// Our long term `PublicKey`.
[INFO] [stdout] 97 |     real_pk: PublicKey,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FriendConnections` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `real_sk` is never read
[INFO] [stdout]   --> src/friend_connection/mod.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct FriendConnections {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 94 |     /// Our long term `SecretKey`.
[INFO] [stdout] 95 |     real_sk: SecretKey,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FriendConnections` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 38.97s
[INFO] running `Command { std: "docker" "inspect" "2779f54fe492f911463deaa01cddc5449eb32d0d5bc9201531ca0c50ee979b2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2779f54fe492f911463deaa01cddc5449eb32d0d5bc9201531ca0c50ee979b2c", kill_on_drop: false }`
[INFO] [stdout] 2779f54fe492f911463deaa01cddc5449eb32d0d5bc9201531ca0c50ee979b2c