[INFO] fetching crate cntr 1.5.1... [INFO] checking cntr-1.5.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate cntr 1.5.1 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate cntr 1.5.1 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 cntr 1.5.1 [INFO] finished tweaking crates.io crate cntr 1.5.1 [INFO] tweaked toml for crates.io crate cntr 1.5.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate cntr 1.5.1 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 backtrace v0.3.56 [INFO] [stderr] Downloaded nix v0.20.0 [INFO] [stderr] Downloaded argparse v0.2.2 [INFO] [stderr] Downloaded cntr-fuse-abi v0.4.1 [INFO] [stderr] Downloaded miniz_oxide v0.4.3 [INFO] [stderr] Downloaded rustc-demangle v0.1.18 [INFO] [stderr] Downloaded cpuprofiler v0.0.4 [INFO] [stderr] Downloaded concurrent-hashmap v0.2.2 [INFO] [stderr] Downloaded cntr-fuse-sys v0.4.1 [INFO] [stderr] Downloaded cntr-fuse v0.4.1 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c64e36face2826a72baba63702d6a6330f71aca9ad8b24e58fa096b77c3dcda7 [INFO] running `Command { std: "docker" "start" "-a" "c64e36face2826a72baba63702d6a6330f71aca9ad8b24e58fa096b77c3dcda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c64e36face2826a72baba63702d6a6330f71aca9ad8b24e58fa096b77c3dcda7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c64e36face2826a72baba63702d6a6330f71aca9ad8b24e58fa096b77c3dcda7", kill_on_drop: false }` [INFO] [stdout] c64e36face2826a72baba63702d6a6330f71aca9ad8b24e58fa096b77c3dcda7 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5b431315a62d13fd5f127449bed1312d78fac23a3532c8f49d4ef63b19d710e [INFO] running `Command { std: "docker" "start" "-a" "a5b431315a62d13fd5f127449bed1312d78fac23a3532c8f49d4ef63b19d710e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking cntr-fuse-abi v0.4.1 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking concurrent-hashmap v0.2.2 [INFO] [stderr] Compiling cntr-fuse-sys v0.4.1 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking cntr-fuse v0.4.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking cntr v1.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/types.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoRawFd` is imported redundantly [INFO] [stdout] --> src/attach/child.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::os::unix::io::IntoRawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 10 | use std::os::unix::prelude::*; [INFO] [stdout] | ------------------------- the item `IntoRawFd` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/capabilities.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, c_int}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/cmd.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::{self, unistd}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsRef` is imported redundantly [INFO] [stdout] --> src/dirent.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{AsRef, Into}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `AsRef` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/dirent.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{AsRef, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `PermissionsExt` is imported redundantly [INFO] [stdout] --> src/dotcntr.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::os::unix::prelude::*; [INFO] [stdout] | ------------------------- the item `PermissionsExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | os::unix::fs::PermissionsExt, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `cntr_fuse` is imported redundantly [INFO] [stdout] --> src/fs.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | self, FileAttr, FileType, Filesystem, ReplyAttr, ReplyCreate, ReplyData, ReplyEmpty, [INFO] [stdout] | ^^^^ the item `cntr_fuse` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/fs.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use libc::{self, c_long, dev_t}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/fs.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | use nix::{self, unistd}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Box` is imported redundantly [INFO] [stdout] --> src/types.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::boxed::Box; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Box` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/fs.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoRawFd` is imported redundantly [INFO] [stdout] --> src/attach/child.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::os::unix::io::IntoRawFd; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 10 | use std::os::unix::prelude::*; [INFO] [stdout] | ------------------------- the item `IntoRawFd` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/fusefd.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::{self, errno, fcntl}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/capabilities.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, c_int}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/cmd.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | use nix::{self, unistd}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/pty.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, winsize}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/pty.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use nix::{self, fcntl, unistd}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AsRef` is imported redundantly [INFO] [stdout] --> src/dirent.rs:7:20 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{AsRef, Into}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `AsRef` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys_ext/internal/ioctl.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, c_ulong}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/dirent.rs:7:27 [INFO] [stdout] | [INFO] [stdout] 7 | use std::convert::{AsRef, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/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 `libc` is imported redundantly [INFO] [stdout] --> src/sys_ext/internal/prctl.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, c_int, c_ulong}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PermissionsExt` is imported redundantly [INFO] [stdout] --> src/dotcntr.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::os::unix::prelude::*; [INFO] [stdout] | ------------------------- the item `PermissionsExt` is already imported here [INFO] [stdout] ... [INFO] [stdout] 10 | os::unix::fs::PermissionsExt, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `cntr_fuse` is imported redundantly [INFO] [stdout] --> src/fs.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | self, FileAttr, FileType, Filesystem, ReplyAttr, ReplyCreate, ReplyData, ReplyEmpty, [INFO] [stdout] | ^^^^ the item `cntr_fuse` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/fs.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use libc::{self, c_long, dev_t}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/fs.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | use nix::{self, unistd}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/fs.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/fusefd.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | use nix::{self, errno, fcntl}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/pty.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, winsize}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/pty.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use nix::{self, fcntl, unistd}; [INFO] [stdout] | ^^^^ the item `nix` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys_ext/internal/ioctl.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, c_ulong}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/sys_ext/internal/prctl.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | use libc::{self, c_int, c_ulong}; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inherited_capabilities` is never read [INFO] [stdout] --> src/procfs/mod.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct ProcStatus { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | pub inherited_capabilities: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `cap_user_header_t` does not permit being left uninitialized [INFO] [stdout] --> src/capabilities.rs:62:46 [INFO] [stdout] | [INFO] [stdout] 62 | let header: cap_user_header_t = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/capabilities.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | version: u32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `inherited_capabilities` is never read [INFO] [stdout] --> src/procfs/mod.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct ProcStatus { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 21 | pub inherited_capabilities: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `cap_user_header_t` does not permit being left uninitialized [INFO] [stdout] --> src/capabilities.rs:62:46 [INFO] [stdout] | [INFO] [stdout] 62 | let header: cap_user_header_t = unsafe { mem::MaybeUninit::uninit().assume_init() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/capabilities.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | version: u32, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s [INFO] running `Command { std: "docker" "inspect" "a5b431315a62d13fd5f127449bed1312d78fac23a3532c8f49d4ef63b19d710e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5b431315a62d13fd5f127449bed1312d78fac23a3532c8f49d4ef63b19d710e", kill_on_drop: false }` [INFO] [stdout] a5b431315a62d13fd5f127449bed1312d78fac23a3532c8f49d4ef63b19d710e [INFO] checking cntr-1.5.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate cntr 1.5.1 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate cntr 1.5.1 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 cntr 1.5.1 [INFO] finished tweaking crates.io crate cntr 1.5.1 [INFO] tweaked toml for crates.io crate cntr 1.5.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate cntr 1.5.1 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 51498bef16e9b1c43c686f603971e30610059e21e454f8a2ed264f919b007c50 [INFO] running `Command { std: "docker" "start" "-a" "51498bef16e9b1c43c686f603971e30610059e21e454f8a2ed264f919b007c50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51498bef16e9b1c43c686f603971e30610059e21e454f8a2ed264f919b007c50", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51498bef16e9b1c43c686f603971e30610059e21e454f8a2ed264f919b007c50", kill_on_drop: false }` [INFO] [stdout] 51498bef16e9b1c43c686f603971e30610059e21e454f8a2ed264f919b007c50 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bf208d779d7fbe809bd0f34d6ca2f66ccc1805b76c7b1c0dbaf90d2c8742fbce [INFO] running `Command { std: "docker" "start" "-a" "bf208d779d7fbe809bd0f34d6ca2f66ccc1805b76c7b1c0dbaf90d2c8742fbce", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking spin v0.4.10 [INFO] [stderr] Checking cntr-fuse-abi v0.4.1 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking lock_api v0.4.2 [INFO] [stderr] Checking concurrent-hashmap v0.2.2 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:206:18 [INFO] [stdout] | [INFO] [stdout] 206 | _ => panic!(), [INFO] [stdout] | ^^^^^^^^ cannot satisfy `_ -> _` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:340:29 [INFO] [stdout] | [INFO] [stdout] 340 | None => match self.parser.catchall_argument { [INFO] [stdout] | _____________________________^ [INFO] [stdout] 341 | | Some(ref option) => { [INFO] [stdout] 342 | | opt = option; [INFO] [stdout] 343 | | break; [INFO] [stdout] ... | [INFO] [stdout] 346 | | "Unexpected argument {}", arg)), [INFO] [stdout] 347 | | } [INFO] [stdout] | |_____________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:809:22 [INFO] [stdout] | [INFO] [stdout] 809 | .map_err(|c| exit(c)) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 809 | .map_err(|c| -> /* Type */ { exit(c) }) [INFO] [stdout] | +++++++++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0284. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `argparse` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bf208d779d7fbe809bd0f34d6ca2f66ccc1805b76c7b1c0dbaf90d2c8742fbce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf208d779d7fbe809bd0f34d6ca2f66ccc1805b76c7b1c0dbaf90d2c8742fbce", kill_on_drop: false }` [INFO] [stdout] bf208d779d7fbe809bd0f34d6ca2f66ccc1805b76c7b1c0dbaf90d2c8742fbce