[INFO] cloning repository https://github.com/krobelus/rate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krobelus/rate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrobelus%2Frate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrobelus%2Frate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58c19a71c44d30e352323ff501e516230e747208
[INFO] checking krobelus/rate against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrobelus%2Frate" "/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/krobelus/rate on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krobelus/rate
[INFO] finished tweaking git repo https://github.com/krobelus/rate
[INFO] tweaked toml for git repo https://github.com/krobelus/rate written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/krobelus/rate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded serde_derive v1.0.120
[INFO] [stderr]   Downloaded zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]   Downloaded lzma-sys v0.1.17
[INFO] [stderr]   Downloaded zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]   Downloaded syn v1.0.59
[INFO] [stderr]   Downloaded serde v1.0.120
[INFO] [stderr]   Downloaded bzip2 v0.4.1
[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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4af73363a28b31fccdcfe53c22e7e5c7abb808da935ba83b60685527a6025bc
[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" "e4af73363a28b31fccdcfe53c22e7e5c7abb808da935ba83b60685527a6025bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4af73363a28b31fccdcfe53c22e7e5c7abb808da935ba83b60685527a6025bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4af73363a28b31fccdcfe53c22e7e5c7abb808da935ba83b60685527a6025bc", kill_on_drop: false }`
[INFO] [stdout] e4af73363a28b31fccdcfe53c22e7e5c7abb808da935ba83b60685527a6025bc
[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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c87b08003dd7c712b38e35ade1d2f49dfe19c5da1e9837ac83d007e0f7ffb56
[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" "0c87b08003dd7c712b38e35ade1d2f49dfe19c5da1e9837ac83d007e0f7ffb56", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking rate-macros v0.3.0 (/opt/rustwide/workdir/rate-macros)
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking bzip2 v0.4.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]     Checking rate-common v0.3.0 (/opt/rustwide/workdir/rate-common)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> rate-common/src/memory/vector.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 | /             format!(
[INFO] [stdout] 240 | |                 "array index out of bounds: {} (range is {:?})",
[INFO] [stdout] 241 | |                 offset, bounds
[INFO] [stdout] 242 | |             )
[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] 239 |             
[INFO] [stdout] 240 |                 "array index out of bounds: {} (range is {:?})",
[INFO] [stdout] 241 |                 offset, bounds
[INFO] [stdout] 242 |             
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> rate-common/src/memory/vector.rs:239:13
[INFO] [stdout]     |
[INFO] [stdout] 239 | /             format!(
[INFO] [stdout] 240 | |                 "array index out of bounds: {} (range is {:?})",
[INFO] [stdout] 241 | |                 offset, bounds
[INFO] [stdout] 242 | |             )
[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] 239 |             
[INFO] [stdout] 240 |                 "array index out of bounds: {} (range is {:?})",
[INFO] [stdout] 241 |                 offset, bounds
[INFO] [stdout] 242 |             
[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]     Checking rate-proof-utils v0.3.0 (/opt/rustwide/workdir/rate-proof-utils)
[INFO] [stderr]     Checking rate-sick-check v0.3.0 (/opt/rustwide/workdir/rate-sick-check)
[INFO] [stderr]     Checking rate v0.3.0 (/opt/rustwide/workdir/rate)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> rate/rate.rs:2283:6
[INFO] [stdout]      |
[INFO] [stdout] 2283 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]     --> rate/rate.rs:2283:6
[INFO] [stdout]      |
[INFO] [stdout] 2283 |     };
[INFO] [stdout]      |      ^ help: remove this semicolon
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> rate/rate.rs:2514:9
[INFO] [stdout]      |
[INFO] [stdout] 2514 | /         format!(
[INFO] [stdout] 2515 | |             "watched clause needs two unassigned watches or at least one satisfied watch: violated in [@{}] - {}",
[INFO] [stdout] 2516 | |             head, checker.assignment
[INFO] [stdout] 2517 | |         )
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> rate/rate.rs:2514:9
[INFO] [stdout]      |
[INFO] [stdout] 2514 | /         format!(
[INFO] [stdout] 2515 | |             "watched clause needs two unassigned watches or at least one satisfied watch: violated in [@{}] - {}",
[INFO] [stdout] 2516 | |             head, checker.assignment
[INFO] [stdout] 2517 | |         )
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.24s
[INFO] running `Command { std: "docker" "inspect" "0c87b08003dd7c712b38e35ade1d2f49dfe19c5da1e9837ac83d007e0f7ffb56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c87b08003dd7c712b38e35ade1d2f49dfe19c5da1e9837ac83d007e0f7ffb56", kill_on_drop: false }`
[INFO] [stdout] 0c87b08003dd7c712b38e35ade1d2f49dfe19c5da1e9837ac83d007e0f7ffb56