[INFO] cloning repository https://github.com/dszczyt/rust-jwt-cracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dszczyt/rust-jwt-cracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdszczyt%2Frust-jwt-cracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdszczyt%2Frust-jwt-cracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 482d03cc35e7cb8e10e6d6f36656d820ed3dc577
[INFO] checking dszczyt/rust-jwt-cracker against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdszczyt%2Frust-jwt-cracker" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dszczyt/rust-jwt-cracker on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dszczyt/rust-jwt-cracker
[INFO] finished tweaking git repo https://github.com/dszczyt/rust-jwt-cracker
[INFO] tweaked toml for git repo https://github.com/dszczyt/rust-jwt-cracker written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/dszczyt/rust-jwt-cracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86a3be7840e3c3bb7dafc1ba3413e8569b87536a5f60992a6e3575a82b382736
[INFO] running `Command { std: "docker" "start" "-a" "86a3be7840e3c3bb7dafc1ba3413e8569b87536a5f60992a6e3575a82b382736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86a3be7840e3c3bb7dafc1ba3413e8569b87536a5f60992a6e3575a82b382736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a3be7840e3c3bb7dafc1ba3413e8569b87536a5f60992a6e3575a82b382736", kill_on_drop: false }`
[INFO] [stdout] 86a3be7840e3c3bb7dafc1ba3413e8569b87536a5f60992a6e3575a82b382736
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cdc3b7a2f6215ea364cf71626f636d4cca55f9d1545a034cc38a9208032baf2
[INFO] running `Command { std: "docker" "start" "-a" "7cdc3b7a2f6215ea364cf71626f636d4cca55f9d1545a034cc38a9208032baf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking base64-url v1.1.7
[INFO] [stderr]     Checking rust-jwt-cracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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 16.74s
[INFO] running `Command { std: "docker" "inspect" "7cdc3b7a2f6215ea364cf71626f636d4cca55f9d1545a034cc38a9208032baf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cdc3b7a2f6215ea364cf71626f636d4cca55f9d1545a034cc38a9208032baf2", kill_on_drop: false }`
[INFO] [stdout] 7cdc3b7a2f6215ea364cf71626f636d4cca55f9d1545a034cc38a9208032baf2