[INFO] fetching crate rough 0.2.0...
[INFO] building rough-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate rough 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rough 0.2.0
[INFO] finished tweaking crates.io crate rough 0.2.0
[INFO] tweaked toml for crates.io crate rough 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rough 0.2.0 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 rough 0.2.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded tera v1.15.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded uncased v0.9.6
[INFO] [stderr]   Downloaded sha-1 v0.8.2
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded serde_yaml v0.8.23
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.1
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded chrono-tz-build v0.0.2
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded chrono-tz v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0e58b1a4dc40b4b4adeeb3d562012c140cafe4cb2325cb9cede8232323be2e2b
[INFO] running `Command { std: "docker" "start" "-a" "0e58b1a4dc40b4b4adeeb3d562012c140cafe4cb2325cb9cede8232323be2e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e58b1a4dc40b4b4adeeb3d562012c140cafe4cb2325cb9cede8232323be2e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e58b1a4dc40b4b4adeeb3d562012c140cafe4cb2325cb9cede8232323be2e2b", kill_on_drop: false }`
[INFO] [stdout] 0e58b1a4dc40b4b4adeeb3d562012c140cafe4cb2325cb9cede8232323be2e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df1e89ff1649716906cc197dbaa6bec8d03677b5a032b141f71025d2c851bb8c
[INFO] running `Command { std: "docker" "start" "-a" "df1e89ff1649716906cc197dbaa6bec8d03677b5a032b141f71025d2c851bb8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling chrono-tz-build v0.0.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling chrono-tz v0.6.1
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.9.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling globwalk v0.8.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling tera v1.15.0
[INFO] [stderr]    Compiling rough v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     File(std::io::Error),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` 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] 5 -     File(std::io::Error),
[INFO] [stdout] 5 +     File(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Tera(tera::Error),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 6 -     Tera(tera::Error),
[INFO] [stdout] 6 +     Tera(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Yaml(serde_yaml::Error),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 7 -     Yaml(serde_yaml::Error),
[INFO] [stdout] 7 +     Yaml(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 48.68s
[INFO] running `Command { std: "docker" "inspect" "df1e89ff1649716906cc197dbaa6bec8d03677b5a032b141f71025d2c851bb8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1e89ff1649716906cc197dbaa6bec8d03677b5a032b141f71025d2c851bb8c", kill_on_drop: false }`
[INFO] [stdout] df1e89ff1649716906cc197dbaa6bec8d03677b5a032b141f71025d2c851bb8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7badbefa966a087ba2d9a97bacf52391831e17884263b3111c38917866fad429
[INFO] running `Command { std: "docker" "start" "-a" "7badbefa966a087ba2d9a97bacf52391831e17884263b3111c38917866fad429", kill_on_drop: false }`
[INFO] [stderr]    Compiling rough v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     File(std::io::Error),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` 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] 5 -     File(std::io::Error),
[INFO] [stdout] 5 +     File(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Tera(tera::Error),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 6 -     Tera(tera::Error),
[INFO] [stdout] 6 +     Tera(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/errors.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Yaml(serde_yaml::Error),
[INFO] [stdout]   |     ---- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 7 -     Yaml(serde_yaml::Error),
[INFO] [stdout] 7 +     Yaml(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "7badbefa966a087ba2d9a97bacf52391831e17884263b3111c38917866fad429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7badbefa966a087ba2d9a97bacf52391831e17884263b3111c38917866fad429", kill_on_drop: false }`
[INFO] [stdout] 7badbefa966a087ba2d9a97bacf52391831e17884263b3111c38917866fad429
