[INFO] fetching crate truck 1.0.0... [INFO] checking truck-1.0.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] extracting crate truck 1.0.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate truck 1.0.0 [INFO] finished tweaking crates.io crate truck 1.0.0 [INFO] tweaked toml for crates.io crate truck 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate truck 1.0.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 64 packages to latest compatible versions [INFO] [stderr] Adding crates-io v0.32.0 (available: v0.40.11) [INFO] [stderr] Adding toml v0.5.11 (available: v0.8.23) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f703ba6796a7183d5c7c670c2eaa5b886776bec1aaddb6f0a92fc3a2f7de19a0 [INFO] running `Command { std: "docker" "start" "-a" "f703ba6796a7183d5c7c670c2eaa5b886776bec1aaddb6f0a92fc3a2f7de19a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f703ba6796a7183d5c7c670c2eaa5b886776bec1aaddb6f0a92fc3a2f7de19a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f703ba6796a7183d5c7c670c2eaa5b886776bec1aaddb6f0a92fc3a2f7de19a0", kill_on_drop: false }` [INFO] [stdout] f703ba6796a7183d5c7c670c2eaa5b886776bec1aaddb6f0a92fc3a2f7de19a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c09f9e888d19e9086163816ef13e150e08704cb0b4fb64c2875f3f71d3dde84e [INFO] running `Command { std: "docker" "start" "-a" "c09f9e888d19e9086163816ef13e150e08704cb0b4fb64c2875f3f71d3dde84e", kill_on_drop: false }` [INFO] [stderr] Compiling curl v0.4.48 [INFO] [stderr] Compiling curl-sys v0.4.82+curl-8.14.1 [INFO] [stderr] Checking form_urlencoded v1.2.1 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking libz-sys v1.1.22 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerovec-derive v0.11.1 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.0 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking yoke v0.8.0 [INFO] [stderr] Checking zerotrie v0.2.2 [INFO] [stderr] Checking zerovec v0.11.2 [INFO] [stderr] Checking tinystr v0.8.1 [INFO] [stderr] Checking potential_utf v0.1.2 [INFO] [stderr] Checking icu_collections v2.0.0 [INFO] [stderr] Checking icu_locale_core v2.0.0 [INFO] [stderr] Checking icu_provider v2.0.0 [INFO] [stderr] Checking icu_properties v2.0.1 [INFO] [stderr] Checking icu_normalizer v2.0.0 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.4 [INFO] [stderr] Checking serde_json v1.0.140 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking crates-io v0.32.0 [INFO] [stderr] Checking truck v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crates_io` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | use crates_io; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crates_io` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | use crates_io; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 34 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/lib.rs:34:19 [INFO] [stdout] | [INFO] [stdout] 34 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cargo` [INFO] [stdout] --> src/lib.rs:7:14 [INFO] [stdout] | [INFO] [stdout] 7 | let cargo = CargoConf::new() [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_cargo` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | cargo_toml.write(self.finalize().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 142 | let _ = cargo_toml.write(self.finalize().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:142:13 [INFO] [stdout] | [INFO] [stdout] 142 | cargo_toml.write(self.finalize().as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 142 | let _ = cargo_toml.write(self.finalize().as_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.11s [INFO] running `Command { std: "docker" "inspect" "c09f9e888d19e9086163816ef13e150e08704cb0b4fb64c2875f3f71d3dde84e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c09f9e888d19e9086163816ef13e150e08704cb0b4fb64c2875f3f71d3dde84e", kill_on_drop: false }` [INFO] [stdout] c09f9e888d19e9086163816ef13e150e08704cb0b4fb64c2875f3f71d3dde84e