[INFO] cloning repository https://github.com/solarnz/ec2-ip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solarnz/ec2-ip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolarnz%2Fec2-ip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolarnz%2Fec2-ip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 232f27244044a17e9ecebcdc2e5b06eee809c2be
[INFO] checking solarnz/ec2-ip against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolarnz%2Fec2-ip" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/solarnz/ec2-ip on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/solarnz/ec2-ip
[INFO] finished tweaking git repo https://github.com/solarnz/ec2-ip
[INFO] tweaked toml for git repo https://github.com/solarnz/ec2-ip written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/solarnz/ec2-ip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded rusoto_ec2 v0.34.0
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[INFO] [stderr]   Downloaded rustc_version v0.2.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c5283779c8e309c04ca7292fbae58e90756871303bf2aee7d288033a932ad36
[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" "9c5283779c8e309c04ca7292fbae58e90756871303bf2aee7d288033a932ad36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c5283779c8e309c04ca7292fbae58e90756871303bf2aee7d288033a932ad36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5283779c8e309c04ca7292fbae58e90756871303bf2aee7d288033a932ad36", kill_on_drop: false }`
[INFO] [stdout] 9c5283779c8e309c04ca7292fbae58e90756871303bf2aee7d288033a932ad36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2249d41318f14dcbcfe122d1ffe7c84fe5bd3d0883039e23192f153cbede495e
[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" "2249d41318f14dcbcfe122d1ffe7c84fe5bd3d0883039e23192f153cbede495e", kill_on_drop: false }`
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[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]    Compiling pkg-config v0.3.11
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[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling openssl v0.10.12
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[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
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[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling rusoto_core v0.34.0
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking digest v0.7.5
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.5.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking skim v0.5.2
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking hyper-tls v0.3.0
[INFO] [stderr]     Checking rusoto_credential v0.13.0
[INFO] [stderr]     Checking rusoto_ec2 v0.34.0
[INFO] [stderr]     Checking ec2-ip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut filters: Vec<Filter> = vec![Filter {
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |                      Err(err) => panic!(err),
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 139 |                      Err(err) => panic!("{}", err),
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 139 |                      Err(err) => std::panic::panic_any(err),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let mut filters: Vec<Filter> = vec![Filter {
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:139:41
[INFO] [stdout]     |
[INFO] [stdout] 139 |                      Err(err) => panic!(err),
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 139 |                      Err(err) => panic!("{}", err),
[INFO] [stdout]     |                                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 139 |                      Err(err) => std::panic::panic_any(err),
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `Command { std: "docker" "inspect" "2249d41318f14dcbcfe122d1ffe7c84fe5bd3d0883039e23192f153cbede495e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2249d41318f14dcbcfe122d1ffe7c84fe5bd3d0883039e23192f153cbede495e", kill_on_drop: false }`
[INFO] [stdout] 2249d41318f14dcbcfe122d1ffe7c84fe5bd3d0883039e23192f153cbede495e