[INFO] cloning repository https://github.com/ericrobolson/Lisper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericrobolson/Lisper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLisper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLisper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93bdcea23c7a6f85801b890118d24932c701ad44
[INFO] checking ericrobolson/Lisper against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericrobolson%2FLisper" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericrobolson/Lisper on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ericrobolson/Lisper
[INFO] finished tweaking git repo https://github.com/ericrobolson/Lisper
[INFO] tweaked toml for git repo https://github.com/ericrobolson/Lisper written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ericrobolson/Lisper 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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd6ad7468c81395c9ea1f6ccf1648a327227bb12f46a819ade3589f93564ffd4
[INFO] running `Command { std: "docker" "start" "-a" "fd6ad7468c81395c9ea1f6ccf1648a327227bb12f46a819ade3589f93564ffd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd6ad7468c81395c9ea1f6ccf1648a327227bb12f46a819ade3589f93564ffd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd6ad7468c81395c9ea1f6ccf1648a327227bb12f46a819ade3589f93564ffd4", kill_on_drop: false }`
[INFO] [stdout] fd6ad7468c81395c9ea1f6ccf1648a327227bb12f46a819ade3589f93564ffd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2edc4cf945590b5b7375c10f1c8431a271a41c36f888a594aa162f3f4461712
[INFO] running `Command { std: "docker" "start" "-a" "d2edc4cf945590b5b7375c10f1c8431a271a41c36f888a594aa162f3f4461712", kill_on_drop: false }`
[INFO] [stderr]     Checking lisper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/list.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Ast::Number(n) => true,
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 State::List(state) => {
[INFO] [stdout]     |                 ------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 143 |                 _ => None,
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/tokenizer.rs:339:53
[INFO] [stdout]     |
[INFO] [stdout] 339 |                         kind: TokenKind::Identifier(contents.into()),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/tokenizer.rs:366:49
[INFO] [stdout]     |
[INFO] [stdout] 366 |                         kind: TokenKind::String(contents.into()),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisper` (lib) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/list.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |                 Ast::Number(n) => true,
[INFO] [stdout]    |                             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/parser.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |                 State::List(state) => {
[INFO] [stdout]     |                 ------------------ matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 143 |                 _ => None,
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/tokenizer.rs:339:53
[INFO] [stdout]     |
[INFO] [stdout] 339 |                         kind: TokenKind::Identifier(contents.into()),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `String` to `String`
[INFO] [stdout]    --> src/tokenizer.rs:366:49
[INFO] [stdout]     |
[INFO] [stdout] 366 |                         kind: TokenKind::String(contents.into()),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lisper` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d2edc4cf945590b5b7375c10f1c8431a271a41c36f888a594aa162f3f4461712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2edc4cf945590b5b7375c10f1c8431a271a41c36f888a594aa162f3f4461712", kill_on_drop: false }`
[INFO] [stdout] d2edc4cf945590b5b7375c10f1c8431a271a41c36f888a594aa162f3f4461712