[INFO] cloning repository https://github.com/devMYC/vocab-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devMYC/vocab-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevMYC%2Fvocab-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevMYC%2Fvocab-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8a2bd465ad7f419f4bf8ad5141b2466a4957bcb
[INFO] checking devMYC/vocab-cli against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdevMYC%2Fvocab-cli" "/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/devMYC/vocab-cli on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devMYC/vocab-cli
[INFO] finished tweaking git repo https://github.com/devMYC/vocab-cli
[INFO] tweaked toml for git repo https://github.com/devMYC/vocab-cli written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/devMYC/vocab-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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 console v0.7.5
[INFO] [stderr]   Downloaded syn v0.15.27
[INFO] [stderr]   Downloaded ident_case v1.0.0
[INFO] [stderr]   Downloaded derive_builder_core v0.4.1
[INFO] [stderr]   Downloaded indicatif v0.11.0
[INFO] [stderr]   Downloaded websocket v0.22.3
[INFO] [stderr]   Downloaded winreg v0.6.0
[INFO] [stderr]   Downloaded darling_core v0.8.5
[INFO] [stderr]   Downloaded darling_macro v0.8.5
[INFO] [stderr]   Downloaded darling v0.8.5
[INFO] [stderr]   Downloaded derive_builder v0.7.1
[INFO] [stderr]   Downloaded headless_chrome v0.1.3
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ec88e3d971f0afb8cfab14941b9d3a99a9ee996cbced472bb7f70ad5863a689
[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" "3ec88e3d971f0afb8cfab14941b9d3a99a9ee996cbced472bb7f70ad5863a689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ec88e3d971f0afb8cfab14941b9d3a99a9ee996cbced472bb7f70ad5863a689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec88e3d971f0afb8cfab14941b9d3a99a9ee996cbced472bb7f70ad5863a689", kill_on_drop: false }`
[INFO] [stdout] 3ec88e3d971f0afb8cfab14941b9d3a99a9ee996cbced472bb7f70ad5863a689
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ccdacac9b6ed8a3625914ff9f279952619e55f61edfd6a33bbec4a76dd70e66
[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" "3ccdacac9b6ed8a3625914ff9f279952619e55f61edfd6a33bbec4a76dd70e66", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling derive_builder v0.7.1
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking websocket v0.22.3
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]    Compiling darling_core v0.8.5
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling darling_macro v0.8.5
[INFO] [stderr]     Checking which v2.0.1
[INFO] [stderr]    Compiling darling v0.8.5
[INFO] [stderr]    Compiling derive_builder_core v0.4.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking headless_chrome v0.1.3
[INFO] [stderr]     Checking vocab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn lookup(word: &str, tx: Sender<()>) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn lookup(word: &str, tx: Sender<()>) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 08s
[INFO] running `Command { std: "docker" "inspect" "3ccdacac9b6ed8a3625914ff9f279952619e55f61edfd6a33bbec4a76dd70e66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ccdacac9b6ed8a3625914ff9f279952619e55f61edfd6a33bbec4a76dd70e66", kill_on_drop: false }`
[INFO] [stdout] 3ccdacac9b6ed8a3625914ff9f279952619e55f61edfd6a33bbec4a76dd70e66