[INFO] cloning repository https://github.com/oompf/bergwerk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oompf/bergwerk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foompf%2Fbergwerk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foompf%2Fbergwerk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20d85d753d1818e8f8796688c5a94f82be9a76ec
[INFO] checking oompf/bergwerk against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foompf%2Fbergwerk" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oompf/bergwerk on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oompf/bergwerk
[INFO] finished tweaking git repo https://github.com/oompf/bergwerk
[INFO] tweaked toml for git repo https://github.com/oompf/bergwerk written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/oompf/bergwerk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e04b7fbe00769ed5fcb7da70cac36b0c014d121e5c94ae23527b28c6164e405
[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" "4e04b7fbe00769ed5fcb7da70cac36b0c014d121e5c94ae23527b28c6164e405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e04b7fbe00769ed5fcb7da70cac36b0c014d121e5c94ae23527b28c6164e405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e04b7fbe00769ed5fcb7da70cac36b0c014d121e5c94ae23527b28c6164e405", kill_on_drop: false }`
[INFO] [stdout] 4e04b7fbe00769ed5fcb7da70cac36b0c014d121e5c94ae23527b28c6164e405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 4e563728d945e6893232a07dfff8242a319fdec49db1d5ceea1844e122620768
[INFO] running `Command { std: "docker" "start" "-a" "4e563728d945e6893232a07dfff8242a319fdec49db1d5ceea1844e122620768", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking bergwerk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chunker::FileChunker`
[INFO] [stdout]  --> src/chunking/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use chunker::FileChunker;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry`, `Error`
[INFO] [stdout]  --> src/commands/backup.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::fs::{DirEntry, DirWalker, Error};
[INFO] [stdout]   |                 ^^^^^^^^             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chunker::FileChunker`
[INFO] [stdout]  --> src/chunking/mod.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub(crate) use chunker::FileChunker;
[INFO] [stdout]   |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry`, `Error`
[INFO] [stdout]  --> src/commands/backup.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::fs::{DirEntry, DirWalker, Error};
[INFO] [stdout]   |                 ^^^^^^^^             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/commands/backup.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for (n, e) in walk.into_iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/fs/walker.rs:146:29
[INFO] [stdout]     |
[INFO] [stdout] 146 |         if let Self::Opened(rd) = self {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/chunking/chunker.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn new(key: &[u8]) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chunk`
[INFO] [stdout]   --> src/chunking/chunker.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub(crate) fn chunk(&self, file: File) -> FileChunkIter {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_type`
[INFO] [stdout]   --> src/fs/dent.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub(crate) fn file_type(&self) -> fs::FileType {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/dent.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) fn is_file(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_symlink`
[INFO] [stdout]   --> src/fs/dent.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub(crate) fn is_symlink(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `path`
[INFO] [stdout]   --> src/fs/error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn path(&self) -> &Path {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/fs/error.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn kind(&self) -> io::ErrorKind {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/commands/backup.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |         for (n, e) in walk.into_iter().enumerate() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rd`
[INFO] [stdout]    --> src/fs/walker.rs:146:29
[INFO] [stdout]     |
[INFO] [stdout] 146 |         if let Self::Opened(rd) = self {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_rd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/chunking/chunker.rs:30:19
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(crate) fn new(key: &[u8]) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chunk`
[INFO] [stdout]   --> src/chunking/chunker.rs:53:19
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub(crate) fn chunk(&self, file: File) -> FileChunkIter {
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file_type`
[INFO] [stdout]   --> src/fs/dent.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub(crate) fn file_type(&self) -> fs::FileType {
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_file`
[INFO] [stdout]   --> src/fs/dent.rs:63:19
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub(crate) fn is_file(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_symlink`
[INFO] [stdout]   --> src/fs/dent.rs:67:19
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub(crate) fn is_symlink(&self) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `path`
[INFO] [stdout]   --> src/fs/error.rs:15:19
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub(crate) fn path(&self) -> &Path {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `kind`
[INFO] [stdout]   --> src/fs/error.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub(crate) fn kind(&self) -> io::ErrorKind {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.60s
[INFO] running `Command { std: "docker" "inspect" "4e563728d945e6893232a07dfff8242a319fdec49db1d5ceea1844e122620768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e563728d945e6893232a07dfff8242a319fdec49db1d5ceea1844e122620768", kill_on_drop: false }`
[INFO] [stdout] 4e563728d945e6893232a07dfff8242a319fdec49db1d5ceea1844e122620768