[INFO] cloning repository https://github.com/emturner/mal-rustc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emturner/mal-rustc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femturner%2Fmal-rustc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femturner%2Fmal-rustc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ae515fdbf1b8185fa85e4db7e46f85e84344019
[INFO] checking emturner/mal-rustc against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femturner%2Fmal-rustc" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emturner/mal-rustc on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emturner/mal-rustc
[INFO] finished tweaking git repo https://github.com/emturner/mal-rustc
[INFO] tweaked toml for git repo https://github.com/emturner/mal-rustc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/emturner/mal-rustc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4760f358eaff6f2bac0dfad416624ba66dbcf6830fe25a219a61ea9b344d8d81
[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" "4760f358eaff6f2bac0dfad416624ba66dbcf6830fe25a219a61ea9b344d8d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4760f358eaff6f2bac0dfad416624ba66dbcf6830fe25a219a61ea9b344d8d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4760f358eaff6f2bac0dfad416624ba66dbcf6830fe25a219a61ea9b344d8d81", kill_on_drop: false }`
[INFO] [stdout] 4760f358eaff6f2bac0dfad416624ba66dbcf6830fe25a219a61ea9b344d8d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd27c2be94078f9d82ee4c0d2b6992941d2e2da5bf12427421cc3452cfcb671
[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" "2fd27c2be94078f9d82ee4c0d2b6992941d2e2da5bf12427421cc3452cfcb671", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking proc-macro2 v1.0.6
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking step0_repl v0.1.0 (/opt/rustwide/workdir/step0_repl)
[INFO] [stderr]     Checking mal_rustc_core v0.1.0 (/opt/rustwide/workdir/mal_rustc_core)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> mal_rustc_core/src/types/mod.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 (quote!(MalAtom::HashMap(Rc::new(std::collections::HashMap::new()))))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> mal_rustc_core/src/types/mod.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |                 (quote!(MalAtom::HashMap(Rc::new(std::collections::HashMap::new()))))
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking step1_read_print v0.1.0 (/opt/rustwide/workdir/step1_read_print)
[INFO] [stderr]     Checking step3_env v0.1.0 (/opt/rustwide/workdir/step3_env)
[INFO] [stderr]     Checking step2_eval v0.1.0 (/opt/rustwide/workdir/step2_eval)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "2fd27c2be94078f9d82ee4c0d2b6992941d2e2da5bf12427421cc3452cfcb671", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd27c2be94078f9d82ee4c0d2b6992941d2e2da5bf12427421cc3452cfcb671", kill_on_drop: false }`
[INFO] [stdout] 2fd27c2be94078f9d82ee4c0d2b6992941d2e2da5bf12427421cc3452cfcb671