[INFO] cloning repository https://github.com/birds3345/Whitespace
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/birds3345/Whitespace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirds3345%2FWhitespace", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirds3345%2FWhitespace'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 629b560829bea805bd4bb5986e1085f59f027a53
[INFO] building birds3345/Whitespace against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbirds3345%2FWhitespace" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/birds3345/Whitespace on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/birds3345/Whitespace
[INFO] finished tweaking git repo https://github.com/birds3345/Whitespace
[INFO] tweaked toml for git repo https://github.com/birds3345/Whitespace written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/birds3345/Whitespace 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b31900bb2e6a0d632521866d6be48e69bbf1bdccf6290d1ca8cefedcbd02ca2
[INFO] running `Command { std: "docker" "start" "-a" "4b31900bb2e6a0d632521866d6be48e69bbf1bdccf6290d1ca8cefedcbd02ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b31900bb2e6a0d632521866d6be48e69bbf1bdccf6290d1ca8cefedcbd02ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b31900bb2e6a0d632521866d6be48e69bbf1bdccf6290d1ca8cefedcbd02ca2", kill_on_drop: false }`
[INFO] [stdout] 4b31900bb2e6a0d632521866d6be48e69bbf1bdccf6290d1ca8cefedcbd02ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57661535e31ffe2b09dcc67266d2e9f0a6dcd5b4b680cffe339995695cb51c5e
[INFO] running `Command { std: "docker" "start" "-a" "57661535e31ffe2b09dcc67266d2e9f0a6dcd5b4b680cffe339995695cb51c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling whitespace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `start`, `end`, and `line` are never read
[INFO] [stdout]   --> src/vm/parser/token.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Location {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 49 |     pub start: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 50 |     pub end: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "57661535e31ffe2b09dcc67266d2e9f0a6dcd5b4b680cffe339995695cb51c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57661535e31ffe2b09dcc67266d2e9f0a6dcd5b4b680cffe339995695cb51c5e", kill_on_drop: false }`
[INFO] [stdout] 57661535e31ffe2b09dcc67266d2e9f0a6dcd5b4b680cffe339995695cb51c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f3bcaf74c37357ca03db1572f8c5e9e17c27173e894bdd1ee01c1bb8086a5f5
[INFO] running `Command { std: "docker" "start" "-a" "4f3bcaf74c37357ca03db1572f8c5e9e17c27173e894bdd1ee01c1bb8086a5f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling whitespace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `start`, `end`, and `line` are never read
[INFO] [stdout]   --> src/vm/parser/token.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Location {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 49 |     pub start: usize,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 50 |     pub end: usize,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 51 |
[INFO] [stdout] 52 |     pub line: usize,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "4f3bcaf74c37357ca03db1572f8c5e9e17c27173e894bdd1ee01c1bb8086a5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3bcaf74c37357ca03db1572f8c5e9e17c27173e894bdd1ee01c1bb8086a5f5", kill_on_drop: false }`
[INFO] [stdout] 4f3bcaf74c37357ca03db1572f8c5e9e17c27173e894bdd1ee01c1bb8086a5f5