[INFO] updating cached repository https://github.com/ayushashi11/ionvm
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30245ddb80970ea7a4581b4a83a5225b0c98d288
[INFO] checking ayushashi11/ionvm against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayushashi11%2Fionvm" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayushashi11/ionvm on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayushashi11/ionvm
[INFO] finished tweaking git repo https://github.com/ayushashi11/ionvm
[INFO] tweaked toml for git repo https://github.com/ayushashi11/ionvm written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ayushashi11/ionvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f35e6da6309acc5780cb4fbc5bd5a4a531cb5abb2030126ff6267a3a5e2c94f
[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" "3f35e6da6309acc5780cb4fbc5bd5a4a531cb5abb2030126ff6267a3a5e2c94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f35e6da6309acc5780cb4fbc5bd5a4a531cb5abb2030126ff6267a3a5e2c94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f35e6da6309acc5780cb4fbc5bd5a4a531cb5abb2030126ff6267a3a5e2c94f", kill_on_drop: false }`
[INFO] [stdout] 3f35e6da6309acc5780cb4fbc5bd5a4a531cb5abb2030126ff6267a3a5e2c94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f99a8b6f5fef57186f09dfc24d5ce17edc70fb31b241c77f4bd61cb78ba27eac
[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" "f99a8b6f5fef57186f09dfc24d5ce17edc70fb31b241c77f4bd61cb78ba27eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking os_str_bytes v2.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking ionvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `IonEnv` should have an upper case name
[INFO] [stdout]  --> src/env.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub static mut IonEnv: Env=Env{
[INFO] [stdout]   |                ^^^^^^ help: convert the identifier to upper case: `ION_ENV`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `IonEnv` should have an upper case name
[INFO] [stdout]  --> src/env.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub static mut IonEnv: Env=Env{
[INFO] [stdout]   |                ^^^^^^ help: convert the identifier to upper case: `ION_ENV`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `home` should have an upper case name
[INFO] [stdout]   --> src/bin/shell.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | const home:&'static str="~";
[INFO] [stdout]    |       ^^^^ help: convert the identifier to upper case: `HOME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `prompt` should have an upper case name
[INFO] [stdout]   --> src/bin/shell.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 92 | const prompt:&'static str="\x1b[38;5;85m>>> \x1b[0m";
[INFO] [stdout]    |       ^^^^^^ help: convert the identifier to upper case: `PROMPT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `home` should have an upper case name
[INFO] [stdout]   --> src/bin/shell.rs:90:7
[INFO] [stdout]    |
[INFO] [stdout] 90 | const home:&'static str="~";
[INFO] [stdout]    |       ^^^^ help: convert the identifier to upper case: `HOME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `prompt` should have an upper case name
[INFO] [stdout]   --> src/bin/shell.rs:92:7
[INFO] [stdout]    |
[INFO] [stdout] 92 | const prompt:&'static str="\x1b[38;5;85m>>> \x1b[0m";
[INFO] [stdout]    |       ^^^^^^ help: convert the identifier to upper case: `PROMPT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.79s
[INFO] running `Command { std: "docker" "inspect" "f99a8b6f5fef57186f09dfc24d5ce17edc70fb31b241c77f4bd61cb78ba27eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99a8b6f5fef57186f09dfc24d5ce17edc70fb31b241c77f4bd61cb78ba27eac", kill_on_drop: false }`
[INFO] [stdout] f99a8b6f5fef57186f09dfc24d5ce17edc70fb31b241c77f4bd61cb78ba27eac