[INFO] fetching crate flowsamples 0.30.0...
[INFO] checking flowsamples-0.30.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate flowsamples 0.30.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate flowsamples 0.30.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowsamples 0.30.0
[INFO] finished tweaking crates.io crate flowsamples 0.30.0
[INFO] tweaked toml for crates.io crate flowsamples 0.30.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate flowsamples 0.30.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded unicode-normalization v0.1.14
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded cc v1.0.62
[INFO] [stderr]   Downloaded tinyvec v1.0.1
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded addr2line v0.14.0
[INFO] [stderr]   Downloaded png v0.16.7
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]   Downloaded flowrstructs v0.25.0
[INFO] [stderr]   Downloaded flowc v0.25.0
[INFO] [stderr]   Downloaded flowr v0.25.0
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded flowstdlib v0.25.0
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 860ee21b1162f3cc1e96fae4ca3ec1daef2a4f3bbbacfecde8f038030cf7b1e5
[INFO] running `Command { std: "docker" "start" "-a" "860ee21b1162f3cc1e96fae4ca3ec1daef2a4f3bbbacfecde8f038030cf7b1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860ee21b1162f3cc1e96fae4ca3ec1daef2a4f3bbbacfecde8f038030cf7b1e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860ee21b1162f3cc1e96fae4ca3ec1daef2a4f3bbbacfecde8f038030cf7b1e5", kill_on_drop: false }`
[INFO] [stdout] 860ee21b1162f3cc1e96fae4ca3ec1daef2a4f3bbbacfecde8f038030cf7b1e5
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d8f30542ed1c001af52f96d194b8836fdf6062f25033908c9b4a8742adf31a0e
[INFO] running `Command { std: "docker" "start" "-a" "d8f30542ed1c001af52f96d194b8836fdf6062f25033908c9b4a8742adf31a0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling simpath v1.4.1
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking weezl v0.1.3
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling tinyvec v1.0.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking unicode-normalization v0.1.14
[INFO] [stderr]    Compiling simplog v1.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]    Compiling addr2line v0.14.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking socket2 v0.3.16
[INFO] [stderr]     Checking backtrace v0.3.54
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking multimap v0.8.2
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]     Checking flow_impl v0.21.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling shrinkwraprs v0.2.3
[INFO] [stderr]    Compiling flow_impl_derive v0.21.0
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking image v0.23.10
[INFO] [stderr]     Checking provider v0.25.0
[INFO] [stderr]    Compiling flowrstructs v0.25.0
[INFO] [stderr]    Compiling flowc v0.25.0
[INFO] [stderr]    Compiling flowstdlib v0.25.0
[INFO] [stderr]    Compiling flowsamples v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking flowr v0.25.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> main.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 | /                     format!("Sample {:?} {:?} does not match {:?}",
[INFO] [stdout] 154 | |                             sample_dir.file_name().unwrap(),
[INFO] [stdout] 155 | |                             actual.file_name().unwrap(),
[INFO] [stdout] 156 | |                             expected.file_name().unwrap()));
[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] 153 |                     "Sample {:?} {:?} does not match {:?}",
[INFO] [stdout] 154 |                             sample_dir.file_name().unwrap(),
[INFO] [stdout] 155 |                             actual.file_name().unwrap(),
[INFO] [stdout] 156 |                             expected.file_name().unwrap());
[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 2m 29s
[INFO] running `Command { std: "docker" "inspect" "d8f30542ed1c001af52f96d194b8836fdf6062f25033908c9b4a8742adf31a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f30542ed1c001af52f96d194b8836fdf6062f25033908c9b4a8742adf31a0e", kill_on_drop: false }`
[INFO] [stdout] d8f30542ed1c001af52f96d194b8836fdf6062f25033908c9b4a8742adf31a0e