[INFO] cloning repository https://github.com/gfreezy/dump-cat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gfreezy/dump-cat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fdump-cat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fdump-cat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b6ba900acefc5df661003c7629a67f2f159fb65f
[INFO] checking gfreezy/dump-cat against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgfreezy%2Fdump-cat" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gfreezy/dump-cat on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gfreezy/dump-cat
[INFO] finished tweaking git repo https://github.com/gfreezy/dump-cat
[INFO] tweaked toml for git repo https://github.com/gfreezy/dump-cat written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/gfreezy/dump-cat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder v0.7.1
[INFO] [stderr]   Downloaded derive_builder_core v0.4.1
[INFO] [stderr]   Downloaded evalexpr v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f492bf803c93448113647a7d39c2ff38657b0f28efe7ae21b761746bf8a2e07b
[INFO] running `Command { std: "docker" "start" "-a" "f492bf803c93448113647a7d39c2ff38657b0f28efe7ae21b761746bf8a2e07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f492bf803c93448113647a7d39c2ff38657b0f28efe7ae21b761746bf8a2e07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f492bf803c93448113647a7d39c2ff38657b0f28efe7ae21b761746bf8a2e07b", kill_on_drop: false }`
[INFO] [stdout] f492bf803c93448113647a7d39c2ff38657b0f28efe7ae21b761746bf8a2e07b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c21640e1326d3ac21d4cc5550f045b54f85317169d25ac121cba3989ac25e5
[INFO] running `Command { std: "docker" "start" "-a" "71c21640e1326d3ac21d4cc5550f045b54f85317169d25ac121cba3989ac25e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling derive_builder v0.7.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking evalexpr v4.1.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking snap v0.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_builder_core v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking dump-cat v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Err(s) => panic!(s),
[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] 61 |         Err(s) => panic!("{}", s),
[INFO] [stdout]    |                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:61:26
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Err(s) => panic!(s),
[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] 61 |         Err(s) => panic!("{}", s),
[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 1m 19s
[INFO] running `Command { std: "docker" "inspect" "71c21640e1326d3ac21d4cc5550f045b54f85317169d25ac121cba3989ac25e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c21640e1326d3ac21d4cc5550f045b54f85317169d25ac121cba3989ac25e5", kill_on_drop: false }`
[INFO] [stdout] 71c21640e1326d3ac21d4cc5550f045b54f85317169d25ac121cba3989ac25e5