[INFO] fetching crate filelib 0.1.3...
[INFO] testing filelib-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate filelib 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate filelib 0.1.3
[INFO] finished tweaking crates.io crate filelib 0.1.3
[INFO] tweaked toml for crates.io crate filelib 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate filelib 0.1.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2aa4c3cde99044c7ab5b6efb4fdd8f74c860ec105bcdb65a6d35dc637bad904
[INFO] running `Command { std: "docker" "start" "-a" "f2aa4c3cde99044c7ab5b6efb4fdd8f74c860ec105bcdb65a6d35dc637bad904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2aa4c3cde99044c7ab5b6efb4fdd8f74c860ec105bcdb65a6d35dc637bad904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2aa4c3cde99044c7ab5b6efb4fdd8f74c860ec105bcdb65a6d35dc637bad904", kill_on_drop: false }`
[INFO] [stdout] f2aa4c3cde99044c7ab5b6efb4fdd8f74c860ec105bcdb65a6d35dc637bad904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b7584a5ca5fa5754a51ab0483dd26922744cd0c8bec6d15007dc2b3083e9ba
[INFO] running `Command { std: "docker" "start" "-a" "36b7584a5ca5fa5754a51ab0483dd26922744cd0c8bec6d15007dc2b3083e9ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling filelib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `has_changed` is never read
[INFO] [stdout]    --> src/lib.rs:192:31
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let mut has_changed = false;
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut root = PathBuf::from(path);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:312:13
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let mut new_name = PathBuf::from(new_name);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let mut root = PathBuf::from(path);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "36b7584a5ca5fa5754a51ab0483dd26922744cd0c8bec6d15007dc2b3083e9ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b7584a5ca5fa5754a51ab0483dd26922744cd0c8bec6d15007dc2b3083e9ba", kill_on_drop: false }`
[INFO] [stdout] 36b7584a5ca5fa5754a51ab0483dd26922744cd0c8bec6d15007dc2b3083e9ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a3ea6e1a8bfda87147a21c8633cd31424381996491e71456ca2729b5e3835ff
[INFO] running `Command { std: "docker" "start" "-a" "7a3ea6e1a8bfda87147a21c8633cd31424381996491e71456ca2729b5e3835ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling filelib v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `has_changed` is never read
[INFO] [stdout]    --> src/lib.rs:192:31
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let mut has_changed = false;
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut root = PathBuf::from(path);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:312:13
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let mut new_name = PathBuf::from(new_name);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let mut root = PathBuf::from(path);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_changed` is never read
[INFO] [stdout]    --> src/lib.rs:192:31
[INFO] [stdout]     |
[INFO] [stdout] 192 |         let mut has_changed = false;
[INFO] [stdout]     |                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |         let mut root = PathBuf::from(path);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:312:13
[INFO] [stdout]     |
[INFO] [stdout] 312 |         let mut new_name = PathBuf::from(new_name);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:339:13
[INFO] [stdout]     |
[INFO] [stdout] 339 |         let mut root = PathBuf::from(path);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "7a3ea6e1a8bfda87147a21c8633cd31424381996491e71456ca2729b5e3835ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a3ea6e1a8bfda87147a21c8633cd31424381996491e71456ca2729b5e3835ff", kill_on_drop: false }`
[INFO] [stdout] 7a3ea6e1a8bfda87147a21c8633cd31424381996491e71456ca2729b5e3835ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69516ed5ea2d241d72aad56974b17c9a1e852f49ae1c41195cf96abbd915d755
[INFO] running `Command { std: "docker" "start" "-a" "69516ed5ea2d241d72aad56974b17c9a1e852f49ae1c41195cf96abbd915d755", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `has_changed` is never read
[INFO] [stderr]    --> src/lib.rs:192:31
[INFO] [stderr]     |
[INFO] [stderr] 192 |         let mut has_changed = false;
[INFO] [stderr]     |                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:227:13
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut root = PathBuf::from(path);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:312:13
[INFO] [stderr]     |
[INFO] [stderr] 312 |         let mut new_name = PathBuf::from(new_name);
[INFO] [stderr]     |             ----^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:339:13
[INFO] [stderr]     |
[INFO] [stderr] 339 |         let mut root = PathBuf::from(path);
[INFO] [stderr]     |             ----^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `filelib` (lib) generated 4 warnings (run `cargo fix --lib -p filelib` to apply 3 suggestions)
[INFO] [stderr] warning: `filelib` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filelib-34344f7ead00e55a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests filelib
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - FileManager::change_extension (line 182) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::clean_file (line 73) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::copy_dir (line 326) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::copy_file (line 215) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::create_dir (line 248) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::create_file (line 19) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::delete_dir (line 274) has been running for over 60 seconds
[INFO] [stdout] test src/lib.rs - FileManager::delete_file (line 138) has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "69516ed5ea2d241d72aad56974b17c9a1e852f49ae1c41195cf96abbd915d755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69516ed5ea2d241d72aad56974b17c9a1e852f49ae1c41195cf96abbd915d755", kill_on_drop: false }`
[INFO] [stdout] 69516ed5ea2d241d72aad56974b17c9a1e852f49ae1c41195cf96abbd915d755
