[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] 1cc3ddd8f363cd1fcaeefccd57bc1558f4215abb
[INFO] checking paranoidnas/system against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparanoidnas%2Fsystem" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paranoidnas/system on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-4/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded human-panic v1.0.3
[INFO] [stderr]   Downloaded duct v0.13.4
[INFO] [stderr]   Downloaded predicates v1.0.5
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded envy v0.4.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded mnt v0.3.1
[INFO] [stderr]   Downloaded mockall_derive v0.7.1
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded mockall v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded shared_child v0.3.4
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded btrfsutil v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d42c18bcbaace4365dbea7362c36843f7721f0bc122e9a0c46a261875a0cf431
[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" "d42c18bcbaace4365dbea7362c36843f7721f0bc122e9a0c46a261875a0cf431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d42c18bcbaace4365dbea7362c36843f7721f0bc122e9a0c46a261875a0cf431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42c18bcbaace4365dbea7362c36843f7721f0bc122e9a0c46a261875a0cf431", kill_on_drop: false }`
[INFO] [stdout] d42c18bcbaace4365dbea7362c36843f7721f0bc122e9a0c46a261875a0cf431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc64da505064b6094a1cccd9e73e24e6b08affe1b80715334afbc1e2f19f0598
[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" "dc64da505064b6094a1cccd9e73e24e6b08affe1b80715334afbc1e2f19f0598", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking mnt v0.3.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking os_type v2.2.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling mockall_derive v0.7.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking mockall v0.7.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking envy v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]    Compiling btrfsutil v0.1.0
[INFO] [stderr]     Checking pnsystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `subvolumes`
[INFO] [stdout]   --> src/model/btrfs.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn subvolumes(&self) -> impl Iterator<Item = &dyn SubvolumeEntity> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `subvolumes`
[INFO] [stdout]   --> src/model/btrfs.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn subvolumes(&self) -> impl Iterator<Item = &dyn SubvolumeEntity> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnsystem::btrfs`
[INFO] [stdout]  --> src/bin/blkcaptctl.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnsystem::btrfs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnsystem::contextualize::Validation`
[INFO] [stdout]  --> src/bin/blkcaptctl.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pnsystem::contextualize::Validation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockDeviceIds`, `BtrfsMountEntry`
[INFO] [stdout]  --> src/bin/blkcaptctl.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pnsystem::filesystem::{self, BlockDeviceIds, BtrfsMountEntry};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/bin/blkcaptctl.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/bin/blkcaptctl.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnsystem::btrfs`
[INFO] [stdout]  --> src/bin/blkcaptctl.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pnsystem::btrfs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pnsystem::contextualize::Validation`
[INFO] [stdout]  --> src/bin/blkcaptctl.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use pnsystem::contextualize::Validation;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BlockDeviceIds`, `BtrfsMountEntry`
[INFO] [stdout]  --> src/bin/blkcaptctl.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pnsystem::filesystem::{self, BlockDeviceIds, BtrfsMountEntry};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryFrom`
[INFO] [stdout]   --> src/bin/blkcaptctl.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uuid::Uuid`
[INFO] [stdout]   --> src/bin/blkcaptctl.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use uuid::Uuid;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 25s
[INFO] running `Command { std: "docker" "inspect" "dc64da505064b6094a1cccd9e73e24e6b08affe1b80715334afbc1e2f19f0598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc64da505064b6094a1cccd9e73e24e6b08affe1b80715334afbc1e2f19f0598", kill_on_drop: false }`
[INFO] [stdout] dc64da505064b6094a1cccd9e73e24e6b08affe1b80715334afbc1e2f19f0598