[INFO] cloning repository https://github.com/paranoidnas/system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paranoidnas/system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparanoidnas%2Fsystem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparanoidnas%2Fsystem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f20bf0a1adcdd0531981877796a975527cba59bf
[INFO] checking paranoidnas/system against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparanoidnas%2Fsystem" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paranoidnas/system on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paranoidnas/system
[INFO] finished tweaking git repo https://github.com/paranoidnas/system
[INFO] tweaked toml for git repo https://github.com/paranoidnas/system written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/paranoidnas/system already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63f250a708f45bef3ca1e0ce8f49cb2bfb03841e8e225d8f70e613c4ff27522
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c63f250a708f45bef3ca1e0ce8f49cb2bfb03841e8e225d8f70e613c4ff27522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63f250a708f45bef3ca1e0ce8f49cb2bfb03841e8e225d8f70e613c4ff27522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63f250a708f45bef3ca1e0ce8f49cb2bfb03841e8e225d8f70e613c4ff27522", kill_on_drop: false }`
[INFO] [stdout] c63f250a708f45bef3ca1e0ce8f49cb2bfb03841e8e225d8f70e613c4ff27522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d2853aef63f280da67378292b3e101e23823875123864b85ce13dd7fb3ad908
[INFO] running `Command { std: "docker" "start" "-a" "0d2853aef63f280da67378292b3e101e23823875123864b85ce13dd7fb3ad908", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling getrandom v0.1.14
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[INFO] [stderr]     Checking ppv-lite86 v0.2.8
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[INFO] [stdout] warning: unused import: `QueriedFilesystem`
[INFO] [stdout]  --> src/core/mod.rs:2:56
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::sys::btrfs::{Filesystem, MountedFilesystem, QueriedFilesystem, Subvolume};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/core/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context, Error, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/core/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/core/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{convert::TryFrom, mem, rc::Rc};
[INFO] [stdout]   |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QueriedFilesystem`
[INFO] [stdout]  --> src/core/mod.rs:2:56
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::sys::btrfs::{Filesystem, MountedFilesystem, QueriedFilesystem, Subvolume};
[INFO] [stdout]   |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow`
[INFO] [stdout]  --> src/core/mod.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context, Error, Result};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/core/mod.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/core/mod.rs:9:29
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{convert::TryFrom, mem, rc::Rc};
[INFO] [stdout]   |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Result`
[INFO] [stdout]  --> src/bin/blkcaptwrk/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blkcapt::sys::btrfs`
[INFO] [stdout]  --> src/bin/blkcaptctl/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blkcapt::sys::btrfs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BtrfsContainerEntity`, `BtrfsDatasetEntity`, `BtrfsPoolEntity`
[INFO] [stdout]  --> src/bin/blkcaptctl/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use blkcapt::model::entities::{BtrfsContainerEntity, BtrfsDatasetEntity, BtrfsPoolEntity};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockDeviceIds`, `BtrfsMountEntry`
[INFO] [stdout]  --> src/bin/blkcaptctl/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | use blkcapt::sys::fs::{find_mountentry, BlockDeviceIds, BtrfsMountEntry};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/bin/blkcaptctl/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/bin/blkcaptctl/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Context`, `Result`
[INFO] [stdout]  --> src/bin/blkcaptwrk/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{Context, Result};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blkcapt::sys::btrfs`
[INFO] [stdout]  --> src/bin/blkcaptctl/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use blkcapt::sys::btrfs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BtrfsContainerEntity`, `BtrfsDatasetEntity`, `BtrfsPoolEntity`
[INFO] [stdout]  --> src/bin/blkcaptctl/main.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 | use blkcapt::model::entities::{BtrfsContainerEntity, BtrfsDatasetEntity, BtrfsPoolEntity};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockDeviceIds`, `BtrfsMountEntry`
[INFO] [stdout]  --> src/bin/blkcaptctl/main.rs:8:41
[INFO] [stdout]   |
[INFO] [stdout] 8 | use blkcapt::sys::fs::{find_mountentry, BlockDeviceIds, BtrfsMountEntry};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/bin/blkcaptctl/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/bin/blkcaptctl/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 22s
[INFO] running `Command { std: "docker" "inspect" "0d2853aef63f280da67378292b3e101e23823875123864b85ce13dd7fb3ad908", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d2853aef63f280da67378292b3e101e23823875123864b85ce13dd7fb3ad908", kill_on_drop: false }`
[INFO] [stdout] 0d2853aef63f280da67378292b3e101e23823875123864b85ce13dd7fb3ad908