[INFO] cloning repository https://github.com/richardpringle/iron-gcd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardpringle/iron-gcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardpringle%2Firon-gcd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardpringle%2Firon-gcd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0eac157efc564e65e014d69b42ac0e3b66dc25c4
[INFO] testing richardpringle/iron-gcd against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardpringle%2Firon-gcd" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardpringle/iron-gcd on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardpringle/iron-gcd
[INFO] finished tweaking git repo https://github.com/richardpringle/iron-gcd
[INFO] tweaked toml for git repo https://github.com/richardpringle/iron-gcd written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/richardpringle/iron-gcd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8caa54c53fd85e7b71c598e21b2e94b576dafc0bb34bd3be18d307dd1d9cdb1
[INFO] running `Command { std: "docker" "start" "-a" "c8caa54c53fd85e7b71c598e21b2e94b576dafc0bb34bd3be18d307dd1d9cdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8caa54c53fd85e7b71c598e21b2e94b576dafc0bb34bd3be18d307dd1d9cdb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8caa54c53fd85e7b71c598e21b2e94b576dafc0bb34bd3be18d307dd1d9cdb1", kill_on_drop: false }`
[INFO] [stdout] c8caa54c53fd85e7b71c598e21b2e94b576dafc0bb34bd3be18d307dd1d9cdb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5add1dd00be158188e583f604f2b606fb96ecca5acbeda35a852de5ea6797d13
[INFO] running `Command { std: "docker" "start" "-a" "5add1dd00be158188e583f604f2b606fb96ecca5acbeda35a852de5ea6797d13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling route-recognizer v0.1.13
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.9
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling urlencoded v0.5.0
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |     assert!(n != 0, m != 0);
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 103 |     assert!(n != 0, "{}", m != 0);
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `Command { std: "docker" "inspect" "5add1dd00be158188e583f604f2b606fb96ecca5acbeda35a852de5ea6797d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5add1dd00be158188e583f604f2b606fb96ecca5acbeda35a852de5ea6797d13", kill_on_drop: false }`
[INFO] [stdout] 5add1dd00be158188e583f604f2b606fb96ecca5acbeda35a852de5ea6797d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b14b573aaa2f39679dcc8fd66e0a586b5ed4003b559dd2e8b793caa3b804805
[INFO] running `Command { std: "docker" "start" "-a" "2b14b573aaa2f39679dcc8fd66e0a586b5ed4003b559dd2e8b793caa3b804805", kill_on_drop: false }`
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:103:21
[INFO] [stdout]     |
[INFO] [stdout] 103 |     assert!(n != 0, m != 0);
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 103 |     assert!(n != 0, "{}", m != 0);
[INFO] [stdout]     |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2b14b573aaa2f39679dcc8fd66e0a586b5ed4003b559dd2e8b793caa3b804805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b14b573aaa2f39679dcc8fd66e0a586b5ed4003b559dd2e8b793caa3b804805", kill_on_drop: false }`
[INFO] [stdout] 2b14b573aaa2f39679dcc8fd66e0a586b5ed4003b559dd2e8b793caa3b804805
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b446c75579985d5a73d514efed15fcba18dbb1a7faa4eacd1e8e77e54d42e64
[INFO] running `Command { std: "docker" "start" "-a" "4b446c75579985d5a73d514efed15fcba18dbb1a7faa4eacd1e8e77e54d42e64", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/main.rs:103:21
[INFO] [stderr]     |
[INFO] [stderr] 103 |     assert!(n != 0, m != 0);
[INFO] [stderr]     |                     ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 103 |     assert!(n != 0, "{}", m != 0);
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `iron-gcd` (bin "iron-gcd" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iron_gcd-57acfcdb6f5a42a3)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4b446c75579985d5a73d514efed15fcba18dbb1a7faa4eacd1e8e77e54d42e64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b446c75579985d5a73d514efed15fcba18dbb1a7faa4eacd1e8e77e54d42e64", kill_on_drop: false }`
[INFO] [stdout] 4b446c75579985d5a73d514efed15fcba18dbb1a7faa4eacd1e8e77e54d42e64