[INFO] fetching crate memora 0.6.3... [INFO] checking memora-0.6.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate memora 0.6.3 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate memora 0.6.3 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate memora 0.6.3 [INFO] finished tweaking crates.io crate memora 0.6.3 [INFO] tweaked toml for crates.io crate memora 0.6.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate memora 0.6.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v1.8.2 [INFO] [stderr] Downloaded mktemp v0.4.1 [INFO] [stderr] Downloaded derivative v2.1.1 [INFO] [stderr] Downloaded file-lock v2.1.4 [INFO] [stderr] Downloaded serde-tuple-vec-map v1.0.0 [INFO] [stderr] Downloaded tuple-transpose v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c85316cfd0e0b3fcf5fe67d46d4e82edbbef976eb1e20fffc9145a0d03febb6 [INFO] running `Command { std: "docker" "start" "-a" "0c85316cfd0e0b3fcf5fe67d46d4e82edbbef976eb1e20fffc9145a0d03febb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c85316cfd0e0b3fcf5fe67d46d4e82edbbef976eb1e20fffc9145a0d03febb6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c85316cfd0e0b3fcf5fe67d46d4e82edbbef976eb1e20fffc9145a0d03febb6", kill_on_drop: false }` [INFO] [stdout] 0c85316cfd0e0b3fcf5fe67d46d4e82edbbef976eb1e20fffc9145a0d03febb6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 294dc7f63dac43469b65a0aa0d8964e272dcc69e6c0761add5279ff13ed5bf57 [INFO] running `Command { std: "docker" "start" "-a" "294dc7f63dac43469b65a0aa0d8964e272dcc69e6c0761add5279ff13ed5bf57", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling indexmap v1.8.2 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking tuple-transpose v0.1.0 [INFO] [stderr] Checking file_diff v1.0.0 [INFO] [stderr] Compiling file-lock v2.1.4 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.24.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking mktemp v0.4.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking Inflector v0.11.4 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling derivative v2.1.1 [INFO] [stderr] Checking serde-tuple-vec-map v1.0.0 [INFO] [stderr] Checking serde_yaml v0.8.24 [INFO] [stderr] Checking memora v0.6.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/cache.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `String` is imported redundantly [INFO] [stdout] --> src/cache.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use std::string::String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `String` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std; [INFO] [stdout] | ^^^ the item `std` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/fs.rs:130:24 [INFO] [stdout] | [INFO] [stdout] 129 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 130 | use crate::error::{Error, Result}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/fs.rs:130:31 [INFO] [stdout] | [INFO] [stdout] 129 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] 130 | use crate::error::{Error, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PathBuf` is imported redundantly [INFO] [stdout] --> src/fs.rs:132:9 [INFO] [stdout] | [INFO] [stdout] 129 | use super::*; [INFO] [stdout] | -------- the item `PathBuf` is already imported here [INFO] [stdout] ... [INFO] [stdout] 132 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/git.rs:351:24 [INFO] [stdout] | [INFO] [stdout] 350 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] 351 | use crate::error::{Error, Result}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/git.rs:351:31 [INFO] [stdout] | [INFO] [stdout] 350 | use super::*; [INFO] [stdout] | -------- the item `Result` is already imported here [INFO] [stdout] 351 | use crate::error::{Error, Result}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 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 7.62s [INFO] running `Command { std: "docker" "inspect" "294dc7f63dac43469b65a0aa0d8964e272dcc69e6c0761add5279ff13ed5bf57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "294dc7f63dac43469b65a0aa0d8964e272dcc69e6c0761add5279ff13ed5bf57", kill_on_drop: false }` [INFO] [stdout] 294dc7f63dac43469b65a0aa0d8964e272dcc69e6c0761add5279ff13ed5bf57