[INFO] fetching crate argopt 0.1.1...
[INFO] checking argopt-0.1.1 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate argopt 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate argopt 0.1.1 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argopt 0.1.1
[INFO] finished tweaking crates.io crate argopt 0.1.1
[INFO] tweaked toml for crates.io crate argopt 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate argopt 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argopt-impl v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10eab3fc9c0220d45d0b317124491c3b2947575e8e2b76686db4435ba76baf70
[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" "10eab3fc9c0220d45d0b317124491c3b2947575e8e2b76686db4435ba76baf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10eab3fc9c0220d45d0b317124491c3b2947575e8e2b76686db4435ba76baf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10eab3fc9c0220d45d0b317124491c3b2947575e8e2b76686db4435ba76baf70", kill_on_drop: false }`
[INFO] [stdout] 10eab3fc9c0220d45d0b317124491c3b2947575e8e2b76686db4435ba76baf70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c11aa30e856a47680639d13e5b0e74899e82672517dca67d9364c81530bf975
[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" "0c11aa30e856a47680639d13e5b0e74899e82672517dca67d9364c81530bf975", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling argopt-impl v0.1.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking argopt v0.1.1 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/subcmd.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/return-result.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/verbose.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/structopt-example.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/simple.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed examples/simple.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.19s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking argopt v0.1.1 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "0c11aa30e856a47680639d13e5b0e74899e82672517dca67d9364c81530bf975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c11aa30e856a47680639d13e5b0e74899e82672517dca67d9364c81530bf975", kill_on_drop: false }`
[INFO] [stdout] 0c11aa30e856a47680639d13e5b0e74899e82672517dca67d9364c81530bf975