[INFO] cloning repository https://github.com/amirbou/testio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amirbou/testio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirbou%2Ftestio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirbou%2Ftestio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 382e40227633f5b24307ac009f46869bdde859c8 [INFO] checking amirbou/testio against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirbou%2Ftestio" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amirbou/testio 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 git repo https://github.com/amirbou/testio [INFO] finished tweaking git repo https://github.com/amirbou/testio [INFO] tweaked toml for git repo https://github.com/amirbou/testio written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/amirbou/testio 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 dlopen_derive v0.1.4 [INFO] [stderr] Downloaded page_size v0.4.2 [INFO] [stderr] Downloaded dlopen v0.1.8 [INFO] [stderr] Downloaded fuser v0.10.0 [INFO] [stderr] Downloaded clap v3.1.5 [INFO] [stderr] Downloaded zerocopy-derive v0.3.1 [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] 6bae17c156b98b56c50a6db2ec9d58b5f60fc029d90b7dcdc33a7b2c26f27082 [INFO] running `Command { std: "docker" "start" "-a" "6bae17c156b98b56c50a6db2ec9d58b5f60fc029d90b7dcdc33a7b2c26f27082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6bae17c156b98b56c50a6db2ec9d58b5f60fc029d90b7dcdc33a7b2c26f27082", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bae17c156b98b56c50a6db2ec9d58b5f60fc029d90b7dcdc33a7b2c26f27082", kill_on_drop: false }` [INFO] [stdout] 6bae17c156b98b56c50a6db2ec9d58b5f60fc029d90b7dcdc33a7b2c26f27082 [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] a94f5b1b8b8776faf1d8277dac1cc08babf28415126db07a0964d55e5bc8cf07 [INFO] running `Command { std: "docker" "start" "-a" "a94f5b1b8b8776faf1d8277dac1cc08babf28415126db07a0964d55e5bc8cf07", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling fuser v0.10.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling dlopen_derive v0.1.4 [INFO] [stderr] Checking dlopen v0.1.8 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling zerocopy-derive v0.3.1 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking zerocopy v0.5.0 [INFO] [stderr] Checking clap v3.1.5 [INFO] [stderr] Checking testio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fuser` is imported redundantly [INFO] [stdout] --> src/testfs.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use fuser::{self, Request, ReplyAttr, FileAttr, ReplyOpen, FileType}; [INFO] [stdout] | ^^^^ the item `fuser` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/testfs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/testfs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuser` is imported redundantly [INFO] [stdout] --> src/testfs.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use fuser::{self, Request, ReplyAttr, FileAttr, ReplyOpen, FileType}; [INFO] [stdout] | ^^^^ the item `fuser` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/testfs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/testfs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.19s [INFO] running `Command { std: "docker" "inspect" "a94f5b1b8b8776faf1d8277dac1cc08babf28415126db07a0964d55e5bc8cf07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a94f5b1b8b8776faf1d8277dac1cc08babf28415126db07a0964d55e5bc8cf07", kill_on_drop: false }` [INFO] [stdout] a94f5b1b8b8776faf1d8277dac1cc08babf28415126db07a0964d55e5bc8cf07 [INFO] checking amirbou/testio against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famirbou%2Ftestio" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/amirbou/testio on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/amirbou/testio [INFO] finished tweaking git repo https://github.com/amirbou/testio [INFO] tweaked toml for git repo https://github.com/amirbou/testio written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/amirbou/testio 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f9f86593bb8c22e87e5f840e24f877f8965bb0446203cb2ed92fe65660231834 [INFO] running `Command { std: "docker" "start" "-a" "f9f86593bb8c22e87e5f840e24f877f8965bb0446203cb2ed92fe65660231834", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f9f86593bb8c22e87e5f840e24f877f8965bb0446203cb2ed92fe65660231834", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9f86593bb8c22e87e5f840e24f877f8965bb0446203cb2ed92fe65660231834", kill_on_drop: false }` [INFO] [stdout] f9f86593bb8c22e87e5f840e24f877f8965bb0446203cb2ed92fe65660231834 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16f8fbc8473fc0508e547159d9537130c79fae9c7eecc77f9f20919b142a4634 [INFO] running `Command { std: "docker" "start" "-a" "16f8fbc8473fc0508e547159d9537130c79fae9c7eecc77f9f20919b142a4634", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling fuser v0.10.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Compiling dlopen_derive v0.1.4 [INFO] [stderr] Checking dlopen v0.1.8 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling zerocopy-derive v0.3.1 [INFO] [stderr] Compiling clap_derive v3.1.7 [INFO] [stderr] Checking zerocopy v0.5.0 [INFO] [stderr] Checking clap v3.1.5 [INFO] [stderr] Checking testio v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `fuser` is imported redundantly [INFO] [stdout] --> src/testfs.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use fuser::{self, Request, ReplyAttr, FileAttr, ReplyOpen, FileType}; [INFO] [stdout] | ^^^^ the item `fuser` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `fuser` is imported redundantly [INFO] [stdout] --> src/testfs.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | use fuser::{self, Request, ReplyAttr, FileAttr, ReplyOpen, FileType}; [INFO] [stdout] | ^^^^ the item `fuser` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/testfs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/testfs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/testfs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Option` is imported redundantly [INFO] [stdout] --> src/testfs.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::option::Option; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Option` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.64s [INFO] running `Command { std: "docker" "inspect" "16f8fbc8473fc0508e547159d9537130c79fae9c7eecc77f9f20919b142a4634", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16f8fbc8473fc0508e547159d9537130c79fae9c7eecc77f9f20919b142a4634", kill_on_drop: false }` [INFO] [stdout] 16f8fbc8473fc0508e547159d9537130c79fae9c7eecc77f9f20919b142a4634