[INFO] cloning repository https://github.com/Svedrin/ruggers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Svedrin/ruggers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvedrin%2Fruggers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvedrin%2Fruggers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42748dc29770d5a2cc409a6c5bcd5f36cf5dba15
[INFO] checking Svedrin/ruggers against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvedrin%2Fruggers" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Svedrin/ruggers on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Svedrin/ruggers
[INFO] finished tweaking git repo https://github.com/Svedrin/ruggers
[INFO] tweaked toml for git repo https://github.com/Svedrin/ruggers written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Svedrin/ruggers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded proc-macro2 v0.3.1
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f9c455fdbe0db302b57e536cab588722f4f51551add0f6bb68f3aa7ef7bfaaed
[INFO] running `Command { std: "docker" "start" "-a" "f9c455fdbe0db302b57e536cab588722f4f51551add0f6bb68f3aa7ef7bfaaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c455fdbe0db302b57e536cab588722f4f51551add0f6bb68f3aa7ef7bfaaed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c455fdbe0db302b57e536cab588722f4f51551add0f6bb68f3aa7ef7bfaaed", kill_on_drop: false }`
[INFO] [stdout] f9c455fdbe0db302b57e536cab588722f4f51551add0f6bb68f3aa7ef7bfaaed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abc30f9d8f27a10fcd7eff1277a3a44badee320b0cd08776404e5b7a49bf999d
[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" "abc30f9d8f27a10fcd7eff1277a3a44badee320b0cd08776404e5b7a49bf999d", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.13
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]     Checking atty v0.2.8
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]     Checking ruggers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ruggers.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 | /             format!("Record Gen {:x} is too far in the future (we're {:x})",
[INFO] [stdout] 109 | |                     record.as_ref().birth_gen & GEN_MASK, next_gen.this_gen & GEN_MASK)
[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]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 108 |             "Record Gen {:x} is too far in the future (we're {:x})",
[INFO] [stdout] 109 |                     record.as_ref().birth_gen & GEN_MASK, next_gen.this_gen & GEN_MASK
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/ruggers.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 | /             format!("Record Gen {:x} is too far in the future (we're {:x})",
[INFO] [stdout] 109 | |                     record.as_ref().birth_gen & GEN_MASK, next_gen.this_gen & GEN_MASK)
[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]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 108 |             "Record Gen {:x} is too far in the future (we're {:x})",
[INFO] [stdout] 109 |                     record.as_ref().birth_gen & GEN_MASK, next_gen.this_gen & GEN_MASK
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.57s
[INFO] running `Command { std: "docker" "inspect" "abc30f9d8f27a10fcd7eff1277a3a44badee320b0cd08776404e5b7a49bf999d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc30f9d8f27a10fcd7eff1277a3a44badee320b0cd08776404e5b7a49bf999d", kill_on_drop: false }`
[INFO] [stdout] abc30f9d8f27a10fcd7eff1277a3a44badee320b0cd08776404e5b7a49bf999d