[INFO] fetching crate composition 0.1.0... [INFO] checking composition-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate composition 0.1.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate composition 0.1.0 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 crates.io crate composition 0.1.0 [INFO] finished tweaking crates.io crate composition 0.1.0 [INFO] tweaked toml for crates.io crate composition 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate composition 0.1.0 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 crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-macros v1.1.0 [INFO] [stderr] Downloaded futures v0.3.13 [INFO] [stderr] Downloaded async-trait v0.1.48 [INFO] [stderr] Downloaded ctrlc v3.1.8 [INFO] [stderr] Downloaded futures-util v0.3.13 [INFO] [stderr] Downloaded fern v0.6.0 [INFO] [stderr] Downloaded tokio v1.2.0 [INFO] [stderr] Downloaded mio v0.7.9 [INFO] [stderr] Downloaded syn v1.0.64 [INFO] [stderr] Downloaded colored v1.9.3 [INFO] [stderr] Downloaded futures-executor v0.3.13 [INFO] [stderr] Downloaded futures-channel v0.3.13 [INFO] [stderr] Downloaded futures-core v0.3.13 [INFO] [stderr] Downloaded futures-io v0.3.13 [INFO] [stderr] Downloaded futures-macro v0.3.13 [INFO] [stderr] Downloaded futures-sink v0.3.13 [INFO] [stderr] Downloaded futures-task v0.3.13 [INFO] [stderr] Downloaded slab v0.4.2 [INFO] [stderr] Downloaded radix64 v0.3.0 [INFO] [stderr] Downloaded pin-project-lite v0.2.4 [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] df2f17581bbe8d5e3dd955b206d25532b081248f1ee9ca3afefd299421e7ae98 [INFO] running `Command { std: "docker" "start" "-a" "df2f17581bbe8d5e3dd955b206d25532b081248f1ee9ca3afefd299421e7ae98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df2f17581bbe8d5e3dd955b206d25532b081248f1ee9ca3afefd299421e7ae98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df2f17581bbe8d5e3dd955b206d25532b081248f1ee9ca3afefd299421e7ae98", kill_on_drop: false }` [INFO] [stdout] df2f17581bbe8d5e3dd955b206d25532b081248f1ee9ca3afefd299421e7ae98 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ac2224db74d9391c10eeb43cf94227517d0e8197f1e651deeb01f86d51ee84db [INFO] running `Command { std: "docker" "start" "-a" "ac2224db74d9391c10eeb43cf94227517d0e8197f1e651deeb01f86d51ee84db", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Checking futures-core v0.3.13 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking pin-project-lite v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking futures-io v0.3.13 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Compiling tokio v1.2.0 [INFO] [stderr] Compiling async-trait v0.1.48 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking radix64 v0.3.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.9 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking fern v0.6.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling futures-macro v0.3.13 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking ctrlc v3.1.8 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking futures-executor v0.3.13 [INFO] [stderr] Checking futures v0.3.13 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Checking composition v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:71:24 [INFO] [stdout] | [INFO] [stdout] 71 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:71:30 [INFO] [stdout] | [INFO] [stdout] 71 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:368:24 [INFO] [stdout] | [INFO] [stdout] 368 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:368:30 [INFO] [stdout] | [INFO] [stdout] 368 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/server/net/packets/clientbound.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::{Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/server/net/packets/serverbound.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::{Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:71:24 [INFO] [stdout] | [INFO] [stdout] 71 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:71:30 [INFO] [stdout] | [INFO] [stdout] 71 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:368:24 [INFO] [stdout] | [INFO] [stdout] 368 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/mctypes.rs:368:30 [INFO] [stdout] | [INFO] [stdout] 368 | use std::convert::{From, Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/server/net/packets/clientbound.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::{Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/server/net/packets/serverbound.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use std::convert::{Into, TryFrom}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `display_name`, and `connection` are never read [INFO] [stdout] --> src/entity/player.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Player { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 5 | position: Location, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | display_name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | connection: NetworkClient, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `position`, `display_name`, and `connection` are never read [INFO] [stdout] --> src/entity/player.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Player { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 5 | position: Location, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 6 | display_name: String, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 7 | connection: NetworkClient, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.19s [INFO] running `Command { std: "docker" "inspect" "ac2224db74d9391c10eeb43cf94227517d0e8197f1e651deeb01f86d51ee84db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac2224db74d9391c10eeb43cf94227517d0e8197f1e651deeb01f86d51ee84db", kill_on_drop: false }` [INFO] [stdout] ac2224db74d9391c10eeb43cf94227517d0e8197f1e651deeb01f86d51ee84db