[INFO] fetching crate heckdiff 0.1.2...
[INFO] testing heckdiff-0.1.2 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate heckdiff 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate heckdiff 0.1.2
[INFO] finished tweaking crates.io crate heckdiff 0.1.2
[INFO] tweaked toml for crates.io crate heckdiff 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate heckdiff 0.1.2 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate heckdiff 0.1.2 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.8
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d20b664d62d71342e30407a466e3c7fecc527f1bbde5a394613f4e15ee043402
[INFO] running `Command { std: "docker" "start" "-a" "d20b664d62d71342e30407a466e3c7fecc527f1bbde5a394613f4e15ee043402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20b664d62d71342e30407a466e3c7fecc527f1bbde5a394613f4e15ee043402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20b664d62d71342e30407a466e3c7fecc527f1bbde5a394613f4e15ee043402", kill_on_drop: false }`
[INFO] [stdout] d20b664d62d71342e30407a466e3c7fecc527f1bbde5a394613f4e15ee043402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d85e81d13341a2146bc9a890484e011d477b4af36178d5006df4d304c0e5b9d
[INFO] running `Command { std: "docker" "start" "-a" "1d85e81d13341a2146bc9a890484e011d477b4af36178d5006df4d304c0e5b9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling heckdiff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diff.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Add(Author, String),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difference` 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] 18 -     Add(Author, String),
[INFO] [stdout] 18 +     Add((), String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/diff.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Remove(Author, String),
[INFO] [stdout]    |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difference` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Remove(Author, String),
[INFO] [stdout] 19 +     Remove((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/diff.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Modify(Author, String, String),
[INFO] [stdout]    |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difference` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Modify(Author, String, String),
[INFO] [stdout] 20 +     Modify((), (), String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "1d85e81d13341a2146bc9a890484e011d477b4af36178d5006df4d304c0e5b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d85e81d13341a2146bc9a890484e011d477b4af36178d5006df4d304c0e5b9d", kill_on_drop: false }`
[INFO] [stdout] 1d85e81d13341a2146bc9a890484e011d477b4af36178d5006df4d304c0e5b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7d9623f56cc9cc644e7b4bfd25de7b192f10c5953cf120471a73a988c7a0a8b
[INFO] running `Command { std: "docker" "start" "-a" "f7d9623f56cc9cc644e7b4bfd25de7b192f10c5953cf120471a73a988c7a0a8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling heckdiff v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/diff.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Add(Author, String),
[INFO] [stdout]    |     --- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difference` 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] 18 -     Add(Author, String),
[INFO] [stdout] 18 +     Add((), String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/diff.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     Remove(Author, String),
[INFO] [stdout]    |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difference` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 19 -     Remove(Author, String),
[INFO] [stdout] 19 +     Remove((), ()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> src/diff.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Modify(Author, String, String),
[INFO] [stdout]    |     ------ ^^^^^^  ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Difference` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 20 -     Modify(Author, String, String),
[INFO] [stdout] 20 +     Modify((), (), String),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f7d9623f56cc9cc644e7b4bfd25de7b192f10c5953cf120471a73a988c7a0a8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d9623f56cc9cc644e7b4bfd25de7b192f10c5953cf120471a73a988c7a0a8b", kill_on_drop: false }`
[INFO] [stdout] f7d9623f56cc9cc644e7b4bfd25de7b192f10c5953cf120471a73a988c7a0a8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38bd8fb70f9b77349cf2ed36475dc078e579eefc3e5be42dfbafc9a418610571
[INFO] running `Command { std: "docker" "start" "-a" "38bd8fb70f9b77349cf2ed36475dc078e579eefc3e5be42dfbafc9a418610571", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/diff.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Add(Author, String),
[INFO] [stderr]    |     --- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Difference` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 18 -     Add(Author, String),
[INFO] [stderr] 18 +     Add((), String),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> src/diff.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     Remove(Author, String),
[INFO] [stderr]    |     ------ ^^^^^^  ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Difference` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 19 -     Remove(Author, String),
[INFO] [stderr] 19 +     Remove((), ()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0` and `1` are never read
[INFO] [stderr]   --> src/diff.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     Modify(Author, String, String),
[INFO] [stderr]    |     ------ ^^^^^^  ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     fields in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Difference` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]    |
[INFO] [stderr] 20 -     Modify(Author, String, String),
[INFO] [stderr] 20 +     Modify((), (), String),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `heckdiff` (bin "heckdiff" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/heckdiff-9186d8a22b8640f0)
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "38bd8fb70f9b77349cf2ed36475dc078e579eefc3e5be42dfbafc9a418610571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bd8fb70f9b77349cf2ed36475dc078e579eefc3e5be42dfbafc9a418610571", kill_on_drop: false }`
[INFO] [stdout] 38bd8fb70f9b77349cf2ed36475dc078e579eefc3e5be42dfbafc9a418610571
