[INFO] cloning repository https://github.com/lvyuemeng/Lisp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lvyuemeng/Lisp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvyuemeng%2FLisp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvyuemeng%2FLisp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92aebbdcb80db66c8ed6a623918faf047c8f6905
[INFO] checking lvyuemeng/Lisp-rs against master#5dfe648b45659db8dd0a673a806bba3df84aa3af for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flvyuemeng%2FLisp-rs" "/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/lvyuemeng/Lisp-rs on toolchain 5dfe648b45659db8dd0a673a806bba3df84aa3af
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lvyuemeng/Lisp-rs
[INFO] finished tweaking git repo https://github.com/lvyuemeng/Lisp-rs
[INFO] tweaked toml for git repo https://github.com/lvyuemeng/Lisp-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lvyuemeng/Lisp-rs 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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mortal v0.2.3
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2d9c18c7c4a178f81094756ec5838301274e9ff25ab697b1c93e16b8b182b5
[INFO] running `Command { std: "docker" "start" "-a" "ef2d9c18c7c4a178f81094756ec5838301274e9ff25ab697b1c93e16b8b182b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2d9c18c7c4a178f81094756ec5838301274e9ff25ab697b1c93e16b8b182b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2d9c18c7c4a178f81094756ec5838301274e9ff25ab697b1c93e16b8b182b5", kill_on_drop: false }`
[INFO] [stdout] ef2d9c18c7c4a178f81094756ec5838301274e9ff25ab697b1c93e16b8b182b5
[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=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" "+5dfe648b45659db8dd0a673a806bba3df84aa3af" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d3e2258c182eb6f2aaced2eafd48e6138eba5e0718def7e12c5c8d4093ad3a
[INFO] running `Command { std: "docker" "start" "-a" "f6d3e2258c182eb6f2aaced2eafd48e6138eba5e0718def7e12c5c8d4093ad3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking smallstr v0.2.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]     Checking mortal v0.2.3
[INFO] [stderr]     Checking linefeed v0.6.0
[INFO] [stderr]     Checking lisp-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::eval::eval`
[INFO] [stdout]  --> src/object.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::eval::eval;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::eval::eval`
[INFO] [stdout]  --> src/object.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::eval::eval;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `String` is never constructed
[INFO] [stdout]   --> src/object.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Object {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Object` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `String` is never constructed
[INFO] [stdout]   --> src/object.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Object {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 42 |     String(String),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Object` has derived impls for the traits `Clone` and `Debug`, but these are 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 11.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v5.1.2, terminfo v0.7.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f6d3e2258c182eb6f2aaced2eafd48e6138eba5e0718def7e12c5c8d4093ad3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d3e2258c182eb6f2aaced2eafd48e6138eba5e0718def7e12c5c8d4093ad3a", kill_on_drop: false }`
[INFO] [stdout] f6d3e2258c182eb6f2aaced2eafd48e6138eba5e0718def7e12c5c8d4093ad3a