[INFO] cloning repository https://github.com/willmcpherson2/lamb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willmcpherson2/lamb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillmcpherson2%2Flamb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillmcpherson2%2Flamb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e2fa2351679cca845db81f28a8aaba7d7668480
[INFO] testing willmcpherson2/lamb against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillmcpherson2%2Flamb" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/willmcpherson2/lamb
[INFO] finished tweaking git repo https://github.com/willmcpherson2/lamb
[INFO] tweaked toml for git repo https://github.com/willmcpherson2/lamb written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/willmcpherson2/lamb on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/willmcpherson2/lamb 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing willmcpherson2/lamb against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwillmcpherson2%2Flamb" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/willmcpherson2/lamb
[INFO] finished tweaking git repo https://github.com/willmcpherson2/lamb
[INFO] tweaked toml for git repo https://github.com/willmcpherson2/lamb written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/willmcpherson2/lamb on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/willmcpherson2/lamb 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47082b21c838cec27795de4f7d8bdc906e3ede1f0847209aafb2e01479cd5567
[INFO] running `Command { std: "docker" "start" "-a" "47082b21c838cec27795de4f7d8bdc906e3ede1f0847209aafb2e01479cd5567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47082b21c838cec27795de4f7d8bdc906e3ede1f0847209aafb2e01479cd5567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47082b21c838cec27795de4f7d8bdc906e3ede1f0847209aafb2e01479cd5567", kill_on_drop: false }`
[INFO] [stdout] 47082b21c838cec27795de4f7d8bdc906e3ede1f0847209aafb2e01479cd5567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c63a794e38361179fdd97f7689cac002db238a36656bd2836524aed4c285ec9
[INFO] running `Command { std: "docker" "start" "-a" "3c63a794e38361179fdd97f7689cac002db238a36656bd2836524aed4c285ec9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lamb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/compiler/parse.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Def {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Def` 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: field `name` is never read
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Error {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     name: &'static str,
[INFO] [stdout]   |     ^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/compiler/parse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Decl {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/compiler/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Error {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     name: &'static str,
[INFO] [stdout]   |     ^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/compiler/parse.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Name {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 54 |     pub token: String,
[INFO] [stdout] 55 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Name` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "3c63a794e38361179fdd97f7689cac002db238a36656bd2836524aed4c285ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c63a794e38361179fdd97f7689cac002db238a36656bd2836524aed4c285ec9", kill_on_drop: false }`
[INFO] [stdout] 3c63a794e38361179fdd97f7689cac002db238a36656bd2836524aed4c285ec9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7a4ff4ddb25618ffd751fccd43eee5dc1c987478a470cd4de9971c21faf366d
[INFO] running `Command { std: "docker" "start" "-a" "b7a4ff4ddb25618ffd751fccd43eee5dc1c987478a470cd4de9971c21faf366d", kill_on_drop: false }`
[INFO] [stderr]    Compiling lamb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/error.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Error {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 3 |     name: &'static str,
[INFO] [stdout]   |     ^^^^
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/compiler/parse.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Def {
[INFO] [stdout]    |            --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Def` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/compiler/parse.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Decl {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `location` is never read
[INFO] [stdout]   --> src/compiler/parse.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct Name {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 54 |     pub token: String,
[INFO] [stdout] 55 |     pub location: Location,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Name` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `Command { std: "docker" "inspect" "b7a4ff4ddb25618ffd751fccd43eee5dc1c987478a470cd4de9971c21faf366d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a4ff4ddb25618ffd751fccd43eee5dc1c987478a470cd4de9971c21faf366d", kill_on_drop: false }`
[INFO] [stdout] b7a4ff4ddb25618ffd751fccd43eee5dc1c987478a470cd4de9971c21faf366d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 269867709ba36b1d6bac3ac341cb228539d8be13a88af074f127291f677ae33b
[INFO] running `Command { std: "docker" "start" "-a" "269867709ba36b1d6bac3ac341cb228539d8be13a88af074f127291f677ae33b", kill_on_drop: false }`
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]  --> src/error.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Error {
[INFO] [stderr]   |            ----- field in this struct
[INFO] [stderr] 3 |     name: &'static str,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Error` 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: field `location` is never read
[INFO] [stderr]   --> src/compiler/parse.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct Def {
[INFO] [stderr]    |            --- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 17 |     pub location: Location,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Def` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `location` is never read
[INFO] [stderr]   --> src/compiler/parse.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct Decl {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub location: Location,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `location` is never read
[INFO] [stderr]   --> src/compiler/parse.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct Name {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 54 |     pub token: String,
[INFO] [stderr] 55 |     pub location: Location,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Name` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `lamb` (bin "lamb" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lamb-063a5e4def63ac86)
[INFO] [stdout] running 1 test
[INFO] [stdout] test compiler::test::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "269867709ba36b1d6bac3ac341cb228539d8be13a88af074f127291f677ae33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269867709ba36b1d6bac3ac341cb228539d8be13a88af074f127291f677ae33b", kill_on_drop: false }`
[INFO] [stdout] 269867709ba36b1d6bac3ac341cb228539d8be13a88af074f127291f677ae33b