[INFO] fetching crate trans-gen-fsharp 0.3.0-alpha.2...
[INFO] testing trans-gen-fsharp-0.3.0-alpha.2 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate trans-gen-fsharp 0.3.0-alpha.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate trans-gen-fsharp 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-fsharp 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-fsharp 0.3.0-alpha.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate trans-gen-fsharp 0.3.0-alpha.2 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cbcf85b44d251f771066e91a2a68c810a532fb236c70e4568f05527b2ea0fe1
[INFO] running `Command { std: "docker" "start" "-a" "9cbcf85b44d251f771066e91a2a68c810a532fb236c70e4568f05527b2ea0fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cbcf85b44d251f771066e91a2a68c810a532fb236c70e4568f05527b2ea0fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbcf85b44d251f771066e91a2a68c810a532fb236c70e4568f05527b2ea0fe1", kill_on_drop: false }`
[INFO] [stdout] 9cbcf85b44d251f771066e91a2a68c810a532fb236c70e4568f05527b2ea0fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c1f72488e9b2f4c66fcf1bf41f09c5095c07b6997417a9cbeff2bb39c43b959
[INFO] running `Command { std: "docker" "start" "-a" "9c1f72488e9b2f4c66fcf1bf41f09c5095c07b6997417a9cbeff2bb39c43b959", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling trans-derive v0.3.0
[INFO] [stderr]    Compiling include_dir_impl v0.6.2
[INFO] [stderr]    Compiling include_dir v0.6.2
[INFO] [stderr]    Compiling trans v0.3.0
[INFO] [stderr]    Compiling trans-gen-core v0.3.0-alpha.2
[INFO] [stderr]    Compiling trans-gen-fsharp v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:351:22
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_var_name` is never used
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn index_var_name(index_var: &mut usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.07s
[INFO] running `Command { std: "docker" "inspect" "9c1f72488e9b2f4c66fcf1bf41f09c5095c07b6997417a9cbeff2bb39c43b959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1f72488e9b2f4c66fcf1bf41f09c5095c07b6997417a9cbeff2bb39c43b959", kill_on_drop: false }`
[INFO] [stdout] 9c1f72488e9b2f4c66fcf1bf41f09c5095c07b6997417a9cbeff2bb39c43b959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e6f829899a099cbe52a4325868a451ad916ef65f41ba442eed6924b0e96ecf7
[INFO] running `Command { std: "docker" "start" "-a" "6e6f829899a099cbe52a4325868a451ad916ef65f41ba442eed6924b0e96ecf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling trans-gen-fsharp v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:351:22
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_var_name` is never used
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn index_var_name(index_var: &mut usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:81:14
[INFO] [stdout]    |
[INFO] [stdout] 81 |         for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]    --> src/lib.rs:274:24
[INFO] [stdout]     |
[INFO] [stdout] 274 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:331:22
[INFO] [stdout]     |
[INFO] [stdout] 331 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `discriminant`
[INFO] [stdout]    --> src/lib.rs:351:22
[INFO] [stdout]     |
[INFO] [stdout] 351 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stdout]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index_var_name` is never used
[INFO] [stdout]   --> src/lib.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn index_var_name(index_var: &mut usize) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[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 0.50s
[INFO] running `Command { std: "docker" "inspect" "6e6f829899a099cbe52a4325868a451ad916ef65f41ba442eed6924b0e96ecf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6f829899a099cbe52a4325868a451ad916ef65f41ba442eed6924b0e96ecf7", kill_on_drop: false }`
[INFO] [stdout] 6e6f829899a099cbe52a4325868a451ad916ef65f41ba442eed6924b0e96ecf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5942bf810ca395d9e88be4d72a757fb65d998e754cec2e527181bc676ba7e1d7
[INFO] running `Command { std: "docker" "start" "-a" "5942bf810ca395d9e88be4d72a757fb65d998e754cec2e527181bc676ba7e1d7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/lib.rs:81:14
[INFO] [stderr]    |
[INFO] [stderr] 81 |         for (index, field) in struc.fields.iter().enumerate() {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/lib.rs:274:24
[INFO] [stderr]     |
[INFO] [stderr] 274 |     fn new(name: &str, version: &str) -> Self {
[INFO] [stderr]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_version`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `discriminant`
[INFO] [stderr]    --> src/lib.rs:331:22
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `discriminant`
[INFO] [stderr]    --> src/lib.rs:351:22
[INFO] [stderr]     |
[INFO] [stderr] 351 |                 for (discriminant, variant) in variants.iter().enumerate() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_discriminant`
[INFO] [stderr] 
[INFO] [stderr] warning: function `index_var_name` is never used
[INFO] [stderr]   --> src/lib.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn index_var_name(index_var: &mut usize) -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trans-gen-fsharp` (lib) generated 6 warnings (run `cargo fix --lib -p trans-gen-fsharp` to apply 5 suggestions)
[INFO] [stderr] warning: `trans-gen-fsharp` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trans_gen_fsharp-0e7b295a86321205)
[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] [stderr]    Doc-tests trans_gen_fsharp
[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" "5942bf810ca395d9e88be4d72a757fb65d998e754cec2e527181bc676ba7e1d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5942bf810ca395d9e88be4d72a757fb65d998e754cec2e527181bc676ba7e1d7", kill_on_drop: false }`
[INFO] [stdout] 5942bf810ca395d9e88be4d72a757fb65d998e754cec2e527181bc676ba7e1d7
