[INFO] fetching crate named_constants 0.1.0...
[INFO] testing named_constants-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate named_constants 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate named_constants 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate named_constants 0.1.0
[INFO] finished tweaking crates.io crate named_constants 0.1.0
[INFO] tweaked toml for crates.io crate named_constants 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a445ece78297a058c7473b57f9e9ac2e0d67206f33b81f502555923a6b92e287
[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" "a445ece78297a058c7473b57f9e9ac2e0d67206f33b81f502555923a6b92e287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a445ece78297a058c7473b57f9e9ac2e0d67206f33b81f502555923a6b92e287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a445ece78297a058c7473b57f9e9ac2e0d67206f33b81f502555923a6b92e287", kill_on_drop: false }`
[INFO] [stdout] a445ece78297a058c7473b57f9e9ac2e0d67206f33b81f502555923a6b92e287
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8413b1229932d801fda0d6fccd731384c4a461fc845dc3394f9abb44f9f10ef6
[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" "8413b1229932d801fda0d6fccd731384c4a461fc845dc3394f9abb44f9f10ef6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling named_constants v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:238:43
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("named constants must use { } to declare the constants"),
[INFO] [stdout]     |                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("named constants must use { } to declare the constants", ...),
[INFO] [stdout]     |                                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("{}", "named constants must use { } to declare the constants"),
[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 1.73s
[INFO] running `Command { std: "docker" "inspect" "8413b1229932d801fda0d6fccd731384c4a461fc845dc3394f9abb44f9f10ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8413b1229932d801fda0d6fccd731384c4a461fc845dc3394f9abb44f9f10ef6", kill_on_drop: false }`
[INFO] [stdout] 8413b1229932d801fda0d6fccd731384c4a461fc845dc3394f9abb44f9f10ef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c61e30571d764d12c7c118fe669b07d8e01436fbfbdaeca59eaac4042083b588
[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" "c61e30571d764d12c7c118fe669b07d8e01436fbfbdaeca59eaac4042083b588", kill_on_drop: false }`
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:238:43
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("named constants must use { } to declare the constants"),
[INFO] [stdout]     |                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("named constants must use { } to declare the constants", ...),
[INFO] [stdout]     |                                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("{}", "named constants must use { } to declare the constants"),
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling named_constants v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:238:43
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("named constants must use { } to declare the constants"),
[INFO] [stdout]     |                                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("named constants must use { } to declare the constants", ...),
[INFO] [stdout]     |                                                                                    ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 238 |                 _ => panic!("{}", "named constants must use { } to declare the constants"),
[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 1.00s
[INFO] running `Command { std: "docker" "inspect" "c61e30571d764d12c7c118fe669b07d8e01436fbfbdaeca59eaac4042083b588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61e30571d764d12c7c118fe669b07d8e01436fbfbdaeca59eaac4042083b588", kill_on_drop: false }`
[INFO] [stdout] c61e30571d764d12c7c118fe669b07d8e01436fbfbdaeca59eaac4042083b588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88c27eebf0957e5bd02b7d0677c545ff3974ad033f8c8664549bb05ff227aed0
[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" "88c27eebf0957e5bd02b7d0677c545ff3974ad033f8c8664549bb05ff227aed0", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:238:43
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 _ => panic!("named constants must use { } to declare the constants"),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 _ => panic!("named constants must use { } to declare the constants", ...),
[INFO] [stderr]     |                                                                                    ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 _ => panic!("{}", "named constants must use { } to declare the constants"),
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:238:43
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 _ => panic!("named constants must use { } to declare the constants"),
[INFO] [stderr]     |                                                       ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(panic_fmt)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 _ => panic!("named constants must use { } to declare the constants", ...),
[INFO] [stderr]     |                                                                                    ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 238 |                 _ => panic!("{}", "named constants must use { } to declare the constants"),
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/named_constants-4b948ddafc115528
[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] [stderr]      Running /opt/rustwide/target/debug/deps/main-9055cb063bcd7ae9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test constant_attributes ... ok
[INFO] [stderr]    Doc-tests named_constants
[INFO] [stdout] test autoincrement2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - named_constants (line 13) ... ok
[INFO] [stdout] test src/lib.rs - named_constants (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88c27eebf0957e5bd02b7d0677c545ff3974ad033f8c8664549bb05ff227aed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c27eebf0957e5bd02b7d0677c545ff3974ad033f8c8664549bb05ff227aed0", kill_on_drop: false }`
[INFO] [stdout] 88c27eebf0957e5bd02b7d0677c545ff3974ad033f8c8664549bb05ff227aed0