[INFO] updating cached repository https://github.com/hawnzug/mal
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 101d4a64034ae1b6df92d487f20410fdfe5520dc
[INFO] checking hawnzug/mal against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawnzug%2Fmal" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawnzug/mal on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hawnzug/mal
[INFO] finished tweaking git repo https://github.com/hawnzug/mal
[INFO] tweaked toml for git repo https://github.com/hawnzug/mal written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hawnzug/mal already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4bd98367930e1fce3fe84e013a88ae37f2863a97d91d52d3ffcbe8d57bb8325
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c4bd98367930e1fce3fe84e013a88ae37f2863a97d91d52d3ffcbe8d57bb8325"`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking bitflags v0.5.0
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking chomp v0.2.6
[INFO] [stderr]     Checking practice_mal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/reader.rs:110:11
[INFO] [stderr]     |
[INFO] [stderr] 110 |         35...38 => true,
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/reader.rs:112:11
[INFO] [stderr]     |
[INFO] [stderr] 112 |         60...64 => true,
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/reader.rs:113:11
[INFO] [stderr]     |
[INFO] [stderr] 113 |         94...95 => true,
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/reader.rs:110:11
[INFO] [stderr]     |
[INFO] [stderr] 110 |         35...38 => true,
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/reader.rs:112:11
[INFO] [stderr]     |
[INFO] [stderr] 112 |         60...64 => true,
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/reader.rs:113:11
[INFO] [stderr]     |
[INFO] [stderr] 113 |         94...95 => true,
[INFO] [stderr]     |           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/steps/step5_tco.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn rep(s: &str, mut env: &mut Env, mut global: &mut Env) -> String {
[INFO] [stderr]    |                                        ----^^^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/steps/step5_tco.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn eval(orgast: MalType, orgenv: &mut Env, mut global: &mut Env) -> MalType {
[INFO] [stderr]    |                                                ----^^^^^^
[INFO] [stderr]    |                                                |
[INFO] [stderr]    |                                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/steps/step5_tco.rs:14:40
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn rep(s: &str, mut env: &mut Env, mut global: &mut Env) -> String {
[INFO] [stderr]    |                                        ----^^^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/steps/step5_tco.rs:18:48
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn eval(orgast: MalType, orgenv: &mut Env, mut global: &mut Env) -> MalType {
[INFO] [stderr]    |                                                ----^^^^^^
[INFO] [stderr]    |                                                |
[INFO] [stderr]    |                                                help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `"docker" "inspect" "c4bd98367930e1fce3fe84e013a88ae37f2863a97d91d52d3ffcbe8d57bb8325"`
[INFO] running `"docker" "rm" "-f" "c4bd98367930e1fce3fe84e013a88ae37f2863a97d91d52d3ffcbe8d57bb8325"`
[INFO] [stdout] c4bd98367930e1fce3fe84e013a88ae37f2863a97d91d52d3ffcbe8d57bb8325