[INFO] fetching crate sandboxfs 0.2.0... [INFO] checking sandboxfs-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate sandboxfs 0.2.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate sandboxfs 0.2.0 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 sandboxfs 0.2.0 [INFO] finished tweaking crates.io crate sandboxfs 0.2.0 [INFO] tweaked toml for crates.io crate sandboxfs 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate sandboxfs 0.2.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_derive v1.0.106 [INFO] [stderr] Downloaded serde v1.0.106 [INFO] [stderr] Downloaded users v0.9.1 [INFO] [stderr] Downloaded thread-scoped v1.0.2 [INFO] [stderr] Downloaded signal-hook v0.1.13 [INFO] [stderr] Downloaded serde_json v1.0.51 [INFO] [stderr] Downloaded fuse v0.3.1 [INFO] [stderr] Downloaded nix v0.12.1 [INFO] [stderr] Downloaded cpuprofiler v0.0.4 [INFO] [stderr] Downloaded arc-swap v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9cba31614ba3094da81f5ed53cbc0f485a99b1d92eb60cf8835d9778670eb342 [INFO] running `Command { std: "docker" "start" "-a" "9cba31614ba3094da81f5ed53cbc0f485a99b1d92eb60cf8835d9778670eb342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9cba31614ba3094da81f5ed53cbc0f485a99b1d92eb60cf8835d9778670eb342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cba31614ba3094da81f5ed53cbc0f485a99b1d92eb60cf8835d9778670eb342", kill_on_drop: false }` [INFO] [stdout] 9cba31614ba3094da81f5ed53cbc0f485a99b1d92eb60cf8835d9778670eb342 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] eb574d2ed61c4b58a8ecc557a533e9b7466ab1839ffd803d08826279e0b4932a [INFO] running `Command { std: "docker" "start" "-a" "eb574d2ed61c4b58a8ecc557a533e9b7466ab1839ffd803d08826279e0b4932a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling fuse v0.3.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling nix v0.12.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling sandboxfs v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking users v0.9.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking serde_json v1.0.51 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/lib.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | extern crate xattr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `signal_hook` is imported redundantly [INFO] [stdout] --> src/concurrent.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use signal_hook; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | extern crate signal_hook; [INFO] [stdout] | ------------------------- the item `signal_hook` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/concurrent.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | std::thread::spawn(move || SignalsHandler::handler(&signals, mount_point, &signal_sender)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:61 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 237 - std::thread::spawn(move || SignalsHandler::handler(&signals, mount_point, &signal_sender)); [INFO] [stdout] 237 + thread::spawn(move || SignalsHandler::handler(&signals, mount_point, &signal_sender)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuse` is imported redundantly [INFO] [stdout] --> src/nodes/mod.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use fuse; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | extern crate fuse; [INFO] [stdout] | ------------------ the item `fuse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/nodes/mod.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/nodes/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuse` is imported redundantly [INFO] [stdout] --> src/nodes/caches.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | use {fuse, IdGenerator}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | extern crate fuse; [INFO] [stdout] | ------------------ the item `fuse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuse` is imported redundantly [INFO] [stdout] --> src/nodes/conv.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use fuse; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | extern crate fuse; [INFO] [stdout] | ------------------ the item `fuse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/lib.rs:42:1 [INFO] [stdout] | [INFO] [stdout] 42 | extern crate xattr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/lib.rs:53:5 [INFO] [stdout] | [INFO] [stdout] 53 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `signal_hook` is imported redundantly [INFO] [stdout] --> src/concurrent.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use signal_hook; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | extern crate signal_hook; [INFO] [stdout] | ------------------------- the item `signal_hook` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary qualification [INFO] [stdout] --> src/concurrent.rs:237:9 [INFO] [stdout] | [INFO] [stdout] 237 | std::thread::spawn(move || SignalsHandler::handler(&signals, mount_point, &signal_sender)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:19:61 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] help: remove the unnecessary path segments [INFO] [stdout] | [INFO] [stdout] 237 - std::thread::spawn(move || SignalsHandler::handler(&signals, mount_point, &signal_sender)); [INFO] [stdout] 237 + thread::spawn(move || SignalsHandler::handler(&signals, mount_point, &signal_sender)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `sys` is imported redundantly [INFO] [stdout] --> src/concurrent.rs:353:9 [INFO] [stdout] | [INFO] [stdout] 353 | use nix::sys; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 356 | use super::*; [INFO] [stdout] | -------- the item `sys` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/concurrent.rs:354:19 [INFO] [stdout] | [INFO] [stdout] 354 | use std::io::{Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] 355 | use std::thread; [INFO] [stdout] 356 | use super::*; [INFO] [stdout] | -------- the item `Read` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `thread` is imported redundantly [INFO] [stdout] --> src/concurrent.rs:355:9 [INFO] [stdout] | [INFO] [stdout] 355 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 356 | use super::*; [INFO] [stdout] | -------- the item `thread` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/concurrent.rs:357:9 [INFO] [stdout] | [INFO] [stdout] 357 | use tempfile; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(test)] extern crate tempfile; [INFO] [stdout] | ---------------------- the item `tempfile` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuse` is imported redundantly [INFO] [stdout] --> src/nodes/mod.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 18 | use fuse; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | extern crate fuse; [INFO] [stdout] | ------------------ the item `fuse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/nodes/mod.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:35:1 [INFO] [stdout] | [INFO] [stdout] 35 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/nodes/mod.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuse` is imported redundantly [INFO] [stdout] --> src/nodes/caches.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | use {fuse, IdGenerator}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | extern crate fuse; [INFO] [stdout] | ------------------ the item `fuse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `errno` is imported redundantly [INFO] [stdout] --> src/nodes/conv.rs:224:15 [INFO] [stdout] | [INFO] [stdout] 222 | use super::*; [INFO] [stdout] | -------- the item `errno` is already imported here [INFO] [stdout] 223 | [INFO] [stdout] 224 | use nix::{errno, unistd}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TimeValLike` is imported redundantly [INFO] [stdout] --> src/nodes/conv.rs:225:9 [INFO] [stdout] | [INFO] [stdout] 222 | use super::*; [INFO] [stdout] | -------- the item `TimeValLike` is already imported here [INFO] [stdout] ... [INFO] [stdout] 225 | use nix::sys::time::TimeValLike; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/reconfig.rs:345:9 [INFO] [stdout] | [INFO] [stdout] 345 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 348 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Mutex` is imported redundantly [INFO] [stdout] --> src/reconfig.rs:347:9 [INFO] [stdout] | [INFO] [stdout] 347 | use std::sync::Mutex; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 348 | use super::*; [INFO] [stdout] | -------- the item `Mutex` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/reconfig.rs:349:9 [INFO] [stdout] | [INFO] [stdout] 349 | use tempfile; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:38:14 [INFO] [stdout] | [INFO] [stdout] 38 | #[cfg(test)] extern crate tempfile; [INFO] [stdout] | ---------------------- the item `tempfile` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuse` is imported redundantly [INFO] [stdout] --> src/testutils.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use fuse; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:33:1 [INFO] [stdout] | [INFO] [stdout] 33 | extern crate fuse; [INFO] [stdout] | ------------------ the item `fuse` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `users` is imported redundantly [INFO] [stdout] --> src/testutils.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use users; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | #[cfg(test)] extern crate users; [INFO] [stdout] | ------------------- the item `users` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/main.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | extern crate env_logger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/main.rs:26:1 [INFO] [stdout] | [INFO] [stdout] 26 | extern crate sandboxfs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused extern crate [INFO] [stdout] --> src/main.rs:22:1 [INFO] [stdout] | [INFO] [stdout] 22 | extern crate env_logger; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | #![warn(unused, unused_extern_crates, unused_import_braces, unused_qualifications)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/main.rs:365:30 [INFO] [stdout] | [INFO] [stdout] 365 | Err(e) => panic!(e), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 365 | Err(e) => panic!("{}", e), [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 365 | Err(e) => std::panic::panic_any(e), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `Command { std: "docker" "inspect" "eb574d2ed61c4b58a8ecc557a533e9b7466ab1839ffd803d08826279e0b4932a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb574d2ed61c4b58a8ecc557a533e9b7466ab1839ffd803d08826279e0b4932a", kill_on_drop: false }` [INFO] [stdout] eb574d2ed61c4b58a8ecc557a533e9b7466ab1839ffd803d08826279e0b4932a [INFO] checking sandboxfs-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate sandboxfs 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate sandboxfs 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate sandboxfs 0.2.0 [INFO] finished tweaking crates.io crate sandboxfs 0.2.0 [INFO] tweaked toml for crates.io crate sandboxfs 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate sandboxfs 0.2.0 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 79959e069a08c38200029626608d31ecb8c597aa66fdededbe242887a4dac85c [INFO] running `Command { std: "docker" "start" "-a" "79959e069a08c38200029626608d31ecb8c597aa66fdededbe242887a4dac85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "79959e069a08c38200029626608d31ecb8c597aa66fdededbe242887a4dac85c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79959e069a08c38200029626608d31ecb8c597aa66fdededbe242887a4dac85c", kill_on_drop: false }` [INFO] [stdout] 79959e069a08c38200029626608d31ecb8c597aa66fdededbe242887a4dac85c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b82218ed4271daf02fefc381ccc546e24b743ea1b4bb14c8337a26464fddb61 [INFO] running `Command { std: "docker" "start" "-a" "6b82218ed4271daf02fefc381ccc546e24b743ea1b4bb14c8337a26464fddb61", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling fuse v0.3.1 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking arc-swap v0.4.5 [INFO] [stderr] Compiling nix v0.12.1 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling sandboxfs v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking thread-scoped v1.0.2 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking users v0.9.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.7/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "6b82218ed4271daf02fefc381ccc546e24b743ea1b4bb14c8337a26464fddb61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b82218ed4271daf02fefc381ccc546e24b743ea1b4bb14c8337a26464fddb61", kill_on_drop: false }` [INFO] [stdout] 6b82218ed4271daf02fefc381ccc546e24b743ea1b4bb14c8337a26464fddb61