[INFO] cloning repository https://github.com/jbchouinard/jblisp2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbchouinard/jblisp2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fjblisp2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fjblisp2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2db8c85b3b7339df587b9ed87e7d9cb99521ceee
[INFO] checking jbchouinard/jblisp2 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbchouinard%2Fjblisp2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbchouinard/jblisp2 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbchouinard/jblisp2
[INFO] finished tweaking git repo https://github.com/jbchouinard/jblisp2
[INFO] tweaked toml for git repo https://github.com/jbchouinard/jblisp2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jbchouinard/jblisp2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7d5a982c2210db3184b58fe6b70d17d145a7bf92c528d1f6e1ef30ce69686a71
[INFO] running `Command { std: "docker" "start" "-a" "7d5a982c2210db3184b58fe6b70d17d145a7bf92c528d1f6e1ef30ce69686a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d5a982c2210db3184b58fe6b70d17d145a7bf92c528d1f6e1ef30ce69686a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5a982c2210db3184b58fe6b70d17d145a7bf92c528d1f6e1ef30ce69686a71", kill_on_drop: false }`
[INFO] [stdout] 7d5a982c2210db3184b58fe6b70d17d145a7bf92c528d1f6e1ef30ce69686a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 072e51d77bd40211ce3baf41fbc2c0b7a7fa8cd34babfccd00a1061645b8f405
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "072e51d77bd40211ce3baf41fbc2c0b7a7fa8cd34babfccd00a1061645b8f405", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking jibi v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `env`
[INFO] [stdout]   --> src/traceback.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     env: JEnvRef,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `env`
[INFO] [stdout]   --> src/traceback.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     env: JEnvRef,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.24s
[INFO] running `Command { std: "docker" "inspect" "072e51d77bd40211ce3baf41fbc2c0b7a7fa8cd34babfccd00a1061645b8f405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "072e51d77bd40211ce3baf41fbc2c0b7a7fa8cd34babfccd00a1061645b8f405", kill_on_drop: false }`
[INFO] [stdout] 072e51d77bd40211ce3baf41fbc2c0b7a7fa8cd34babfccd00a1061645b8f405