[INFO] fetching crate dfrs 0.0.7...
[INFO] testing dfrs-0.0.7 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate dfrs 0.0.7 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate dfrs 0.0.7
[INFO] finished tweaking crates.io crate dfrs 0.0.7
[INFO] tweaked toml for crates.io crate dfrs 0.0.7 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dfrs 0.0.7 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] crate crates.io crate dfrs 0.0.7 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6aaea55801dcfe05c000e7390d47b2678db7e8dd0f604b49fca9b31d0b46b50a
[INFO] running `Command { std: "docker" "start" "-a" "6aaea55801dcfe05c000e7390d47b2678db7e8dd0f604b49fca9b31d0b46b50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aaea55801dcfe05c000e7390d47b2678db7e8dd0f604b49fca9b31d0b46b50a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaea55801dcfe05c000e7390d47b2678db7e8dd0f604b49fca9b31d0b46b50a", kill_on_drop: false }`
[INFO] [stdout] 6aaea55801dcfe05c000e7390d47b2678db7e8dd0f604b49fca9b31d0b46b50a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 08a4226222b4167d34580a0811588e4666d6601e40d2ab5b438d31cfd777b046
[INFO] running `Command { std: "docker" "start" "-a" "08a4226222b4167d34580a0811588e4666d6601e40d2ab5b438d31cfd777b046", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling dfrs v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `info`, and `warn`
[INFO] [stdout]  --> src/errors.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use log::{debug, error, info, warn};
[INFO] [stdout]   |                      ^^^^^  ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `base2` is never read
[INFO] [stdout]   --> src/args.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub base2: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `mnt_opts`, `mnt_freq`, and `mnt_passno` are never read
[INFO] [stdout]   --> src/mount.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Mount {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub mnt_opts: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 18 |     pub mnt_freq: i32,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 19 |     pub mnt_passno: i32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Mount` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.10s
[INFO] running `Command { std: "docker" "inspect" "08a4226222b4167d34580a0811588e4666d6601e40d2ab5b438d31cfd777b046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08a4226222b4167d34580a0811588e4666d6601e40d2ab5b438d31cfd777b046", kill_on_drop: false }`
[INFO] [stdout] 08a4226222b4167d34580a0811588e4666d6601e40d2ab5b438d31cfd777b046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c8dabe2d44ca7291022bc1f73a97f9b86a9c3d4542b14dba75af0265e7016753
[INFO] running `Command { std: "docker" "start" "-a" "c8dabe2d44ca7291022bc1f73a97f9b86a9c3d4542b14dba75af0265e7016753", kill_on_drop: false }`
[INFO] [stderr]    Compiling dfrs v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error`, `info`, and `warn`
[INFO] [stdout]  --> src/errors.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use log::{debug, error, info, warn};
[INFO] [stdout]   |                      ^^^^^  ^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `base2` is never read
[INFO] [stdout]   --> src/args.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub base2: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "c8dabe2d44ca7291022bc1f73a97f9b86a9c3d4542b14dba75af0265e7016753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dabe2d44ca7291022bc1f73a97f9b86a9c3d4542b14dba75af0265e7016753", kill_on_drop: false }`
[INFO] [stdout] c8dabe2d44ca7291022bc1f73a97f9b86a9c3d4542b14dba75af0265e7016753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 035c72269ddd1843b163f1022afe1c16c1d8fa9295696e7583356dfdb1b6c5a2
[INFO] running `Command { std: "docker" "start" "-a" "035c72269ddd1843b163f1022afe1c16c1d8fa9295696e7583356dfdb1b6c5a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `error`, `info`, and `warn`
[INFO] [stdout] 
[INFO] [stderr]  --> src/errors.rs:2:22
[INFO] [stdout] running 27 tests
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use log::{debug, error, info, warn};
[INFO] [stderr]   |                      ^^^^^  ^^^^  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `base2` is never read
[INFO] [stderr]   --> src/args.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Args {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 35 |     pub base2: bool,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dfrs` (bin "dfrs" test) generated 2 warnings (run `cargo fix --bin "dfrs" -p dfrs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dfrs-158246b04a587882)
[INFO] [stdout] test mount::tests::parse_mounts ... ok
[INFO] [stdout] test mount::tests::is_local ... ok
[INFO] [stdout] test mount::tests::is_remote ... ok
[INFO] [stdout] test util::tests::calc_total_simple ... ok
[INFO] [stdout] test util::tests::calculate_path_match_score_simple ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_equal ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_smaller_capacity_greater_name ... ok
[INFO] [stdout] test util::tests::format_count_bytes ... ok
[INFO] [stdout] test util::tests::format_count_megabyte ... ok
[INFO] [stdout] test util::tests::format_count_zero ... ok
[INFO] [stdout] test util::tests::format_count_very_large ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_greater_capacity_equal_name ... ok
[INFO] [stdout] test util::tests::format_percentage_fraction ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_greater_capacity_smaller_name ... ok
[INFO] [stdout] test util::tests::format_percentage_hundred ... ok
[INFO] [stdout] test util::tests::get_best_mount_match_simple ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_smaller_capacity_smaller_name ... ok
[INFO] [stdout] test util::tests::lvm_alias_five_dashes ... ok
[INFO] [stdout] test util::tests::lvm_alias_four_dashes ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_greater_capacity_greater_name ... ok
[INFO] [stdout] test util::tests::cmp_by_capacity_and_dir_name_equal_capacity_greater_name ... ok
[INFO] [stdout] test util::tests::format_percentage_zero ... ok
[INFO] [stdout] test util::tests::lvm_alias_none ... ok
[INFO] [stdout] test util::tests::lvm_alias_simple ... ok
[INFO] [stdout] test util::tests::format_percentage_none ... ok
[INFO] [stdout] test util::tests::lvm_alias_three_dashes ... ok
[INFO] [stdout] test util::tests::lvm_alias_two_dashes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "035c72269ddd1843b163f1022afe1c16c1d8fa9295696e7583356dfdb1b6c5a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "035c72269ddd1843b163f1022afe1c16c1d8fa9295696e7583356dfdb1b6c5a2", kill_on_drop: false }`
[INFO] [stdout] 035c72269ddd1843b163f1022afe1c16c1d8fa9295696e7583356dfdb1b6c5a2