[INFO] fetching crate argwerk 0.20.0...
[INFO] testing argwerk-0.20.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate argwerk 0.20.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate argwerk 0.20.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argwerk 0.20.0
[INFO] finished tweaking crates.io crate argwerk 0.20.0
[INFO] tweaked toml for crates.io crate argwerk 0.20.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate argwerk 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 0e6cae2058cb93e653f9ae5246c5129e156852298ffcdfe84c6205c27affd0d4
[INFO] running `Command { std: "docker" "start" "-a" "0e6cae2058cb93e653f9ae5246c5129e156852298ffcdfe84c6205c27affd0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e6cae2058cb93e653f9ae5246c5129e156852298ffcdfe84c6205c27affd0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6cae2058cb93e653f9ae5246c5129e156852298ffcdfe84c6205c27affd0d4", kill_on_drop: false }`
[INFO] [stdout] 0e6cae2058cb93e653f9ae5246c5129e156852298ffcdfe84c6205c27affd0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77aef2f11dd69946a53cd33e8451a25b4a3f294e5a269bd42e6fa8ba191e7c64
[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" "77aef2f11dd69946a53cd33e8451a25b4a3f294e5a269bd42e6fa8ba191e7c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling argwerk v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "77aef2f11dd69946a53cd33e8451a25b4a3f294e5a269bd42e6fa8ba191e7c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77aef2f11dd69946a53cd33e8451a25b4a3f294e5a269bd42e6fa8ba191e7c64", kill_on_drop: false }`
[INFO] [stdout] 77aef2f11dd69946a53cd33e8451a25b4a3f294e5a269bd42e6fa8ba191e7c64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c87f577bb0fb2fbdaa2ab8ccad6b366d19911d505a88a94e8f69f116c86c97b5
[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" "c87f577bb0fb2fbdaa2ab8ccad6b366d19911d505a88a94e8f69f116c86c97b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling argwerk v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `thing`
[INFO] [stdout]   --> examples/tour.rs:43:46
[INFO] [stdout]    |
[INFO] [stdout] 43 |     ["--really-really-really-long-argument", thing] => {
[INFO] [stdout]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_thing`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "c87f577bb0fb2fbdaa2ab8ccad6b366d19911d505a88a94e8f69f116c86c97b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87f577bb0fb2fbdaa2ab8ccad6b366d19911d505a88a94e8f69f116c86c97b5", kill_on_drop: false }`
[INFO] [stdout] c87f577bb0fb2fbdaa2ab8ccad6b366d19911d505a88a94e8f69f116c86c97b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ba247b68fe9e9dcd7e9b63f5aa8430b9f8a3467e67d638fd1bda8ca71415d63
[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" "2ba247b68fe9e9dcd7e9b63f5aa8430b9f8a3467e67d638fd1bda8ca71415d63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `thing`
[INFO] [stderr]   --> examples/tour.rs:43:46
[INFO] [stderr]    |
[INFO] [stderr] 43 |     ["--really-really-really-long-argument", thing] => {
[INFO] [stderr]    |                                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_thing`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `argwerk` (example "tour") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argwerk-c1afc85367748475)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests argwerk
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/lib.rs - define (line 549) ... ok
[INFO] [stdout] test src/lib.rs - (line 38) ... ok
[INFO] [stdout] test src/helpers.rs - helpers::Help::format (line 87) ... ok
[INFO] [stdout] test src/lib.rs - ErrorKind::MissingPositional (line 327) ... ok
[INFO] [stdout] test src/lib.rs - ErrorKind::MissingSwitchArgument (line 302) ... ok
[INFO] [stdout] test src/lib.rs - define (line 434) ... ok
[INFO] [stdout] test src/lib.rs - ErrorKind::UnsupportedArgument (line 254) ... ok
[INFO] [stdout] test src/lib.rs - ErrorKind::Error (line 389) ... ok
[INFO] [stdout] test src/lib.rs - define (line 577) ... ok
[INFO] [stdout] test src/lib.rs - args (line 856) ... ok
[INFO] [stdout] test src/lib.rs - define (line 475) ... ok
[INFO] [stdout] test src/lib.rs - define (line 518) ... ok
[INFO] [stdout] test src/lib.rs - ErrorKind::MissingRequired (line 349) ... ok
[INFO] [stdout] test src/lib.rs - define (line 649) ... ok
[INFO] [stdout] test src/lib.rs - ErrorKind::UnsupportedSwitch (line 279) ... ok
[INFO] [stdout] test src/lib.rs - (line 74) ... ok
[INFO] [stdout] test src/lib.rs - define (line 673) ... ok
[INFO] [stdout] test src/lib.rs - define (line 745) ... ok
[INFO] [stdout] test src/lib.rs - define (line 704) ... ok
[INFO] [stdout] test src/lib.rs - define (line 725) ... ok
[INFO] [stdout] test src/lib.rs - define (line 778) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ba247b68fe9e9dcd7e9b63f5aa8430b9f8a3467e67d638fd1bda8ca71415d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba247b68fe9e9dcd7e9b63f5aa8430b9f8a3467e67d638fd1bda8ca71415d63", kill_on_drop: false }`
[INFO] [stdout] 2ba247b68fe9e9dcd7e9b63f5aa8430b9f8a3467e67d638fd1bda8ca71415d63