[INFO] fetching crate tr-lang 0.4.0...
[INFO] building tr-lang-0.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate tr-lang 0.4.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tr-lang 0.4.0
[INFO] finished tweaking crates.io crate tr-lang 0.4.0
[INFO] tweaked toml for crates.io crate tr-lang 0.4.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tr-lang 0.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tr-lang 0.4.0 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded fd-lock v3.0.3
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.133
[INFO] [stderr]   Downloaded io-lifetimes v0.4.4
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded serde v1.0.133
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded syn v1.0.85
[INFO] [stderr]   Downloaded rustix v0.32.1
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.37
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c6093e97b692f5082ff5c9bb5a0b3553063ca18c6df3149230bb417f1b96424
[INFO] running `Command { std: "docker" "start" "-a" "7c6093e97b692f5082ff5c9bb5a0b3553063ca18c6df3149230bb417f1b96424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6093e97b692f5082ff5c9bb5a0b3553063ca18c6df3149230bb417f1b96424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6093e97b692f5082ff5c9bb5a0b3553063ca18c6df3149230bb417f1b96424", kill_on_drop: false }`
[INFO] [stdout] 7c6093e97b692f5082ff5c9bb5a0b3553063ca18c6df3149230bb417f1b96424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f305ec5cd6fc754b207b063d91fe4951b55a52b926701f38da88e9a2f2c9f03c
[INFO] running `Command { std: "docker" "start" "-a" "f305ec5cd6fc754b207b063d91fe4951b55a52b926701f38da88e9a2f2c9f03c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling io-lifetimes v0.4.4
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.32.1
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling linux-raw-sys v0.0.37
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling locale_config v0.3.0
[INFO] [stderr]    Compiling tr-lang v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fd-lock v3.0.3
[INFO] [stderr]    Compiling rustyline v9.1.2
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Other(ErrorKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Other(ErrorKind),
[INFO] [stdout] 27 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InteractiveCompleter` is never constructed
[INFO] [stdout]   --> src/interactive.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct InteractiveCompleter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Other(ErrorKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Other(ErrorKind),
[INFO] [stdout] 27 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prd_out` and `argv` are never read
[INFO] [stdout]   --> src/argsparser/argsparse.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Options {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub prd_out: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub argv: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InteractiveCompleter` is never constructed
[INFO] [stdout]   --> src/interactive.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct InteractiveCompleter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.90s
[INFO] running `Command { std: "docker" "inspect" "f305ec5cd6fc754b207b063d91fe4951b55a52b926701f38da88e9a2f2c9f03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f305ec5cd6fc754b207b063d91fe4951b55a52b926701f38da88e9a2f2c9f03c", kill_on_drop: false }`
[INFO] [stdout] f305ec5cd6fc754b207b063d91fe4951b55a52b926701f38da88e9a2f2c9f03c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09b7408817e3e670d514ee3ef652f3be201f0aa9b384143baf8d979c85614f75
[INFO] running `Command { std: "docker" "start" "-a" "09b7408817e3e670d514ee3ef652f3be201f0aa9b384143baf8d979c85614f75", kill_on_drop: false }`
[INFO] [stderr]    Compiling tr-lang v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Other(ErrorKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Other(ErrorKind),
[INFO] [stdout] 27 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InteractiveCompleter` is never constructed
[INFO] [stdout]   --> src/interactive.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct InteractiveCompleter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Other(ErrorKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Other(ErrorKind),
[INFO] [stdout] 27 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `prd_out` and `argv` are never read
[INFO] [stdout]   --> src/argsparser/argsparse.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Options {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub prd_out: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub argv: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Options` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InteractiveCompleter` is never constructed
[INFO] [stdout]   --> src/interactive.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct InteractiveCompleter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/util.rs:27:11
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Other(ErrorKind),
[INFO] [stdout]    |     ----- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FSErr` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 27 -     Other(ErrorKind),
[INFO] [stdout] 27 +     Other(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InteractiveCompleter` is never constructed
[INFO] [stdout]   --> src/interactive.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct InteractiveCompleter;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "09b7408817e3e670d514ee3ef652f3be201f0aa9b384143baf8d979c85614f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b7408817e3e670d514ee3ef652f3be201f0aa9b384143baf8d979c85614f75", kill_on_drop: false }`
[INFO] [stdout] 09b7408817e3e670d514ee3ef652f3be201f0aa9b384143baf8d979c85614f75
