[INFO] cloning repository https://github.com/dustinrohde/conway
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dustinrohde/conway" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Fconway", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Fconway'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc2698fc80fdfab86d50a15d53630fef553de00
[INFO] checking dustinrohde/conway against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdustinrohde%2Fconway" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dustinrohde/conway on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dustinrohde/conway
[INFO] finished tweaking git repo https://github.com/dustinrohde/conway
[INFO] tweaked toml for git repo https://github.com/dustinrohde/conway written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dustinrohde/conway already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c43700abf315bb72eaa935cbf7094365e56c937e415af9937f239d0f8cf34ddb
[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" "c43700abf315bb72eaa935cbf7094365e56c937e415af9937f239d0f8cf34ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c43700abf315bb72eaa935cbf7094365e56c937e415af9937f239d0f8cf34ddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c43700abf315bb72eaa935cbf7094365e56c937e415af9937f239d0f8cf34ddb", kill_on_drop: false }`
[INFO] [stdout] c43700abf315bb72eaa935cbf7094365e56c937e415af9937f239d0f8cf34ddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c76e4766a809093de80cef394466629b675bf859e378c1d6e73f7de9b05e3922
[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" "c76e4766a809093de80cef394466629b675bf859e378c1d6e73f7de9b05e3922", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[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 lazy_static v1.0.2
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking conway v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     WithCause(Box<AppError>, Box<Error + Send + Sync + 'static>),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[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/lib.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 |     WithCause(Box<AppError>, Box<Error + Send + Sync + 'static>),
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Error + Send + Sync + 'static`
[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/lib.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/config.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / lazy_static! {
[INFO] [stdout] 19 | |     static ref DEFAULT_CHAR_ALIVE: &'static str = "#";
[INFO] [stdout] 20 | |     static ref DEFAULT_CHAR_DEAD: &'static str = "-";
[INFO] [stdout] 21 | |     pub static ref CHAR_ALIVE: char = DEFAULT_CHAR_ALIVE.parse().unwrap();
[INFO] [stdout] 22 | |     pub static ref CHAR_DEAD: char = DEFAULT_CHAR_DEAD.parse().unwrap();
[INFO] [stdout] 23 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `transpose_result` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(transpose_result)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `transpose_result` has been stable since 1.33.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(transpose_result)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.46s
[INFO] running `Command { std: "docker" "inspect" "c76e4766a809093de80cef394466629b675bf859e378c1d6e73f7de9b05e3922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76e4766a809093de80cef394466629b675bf859e378c1d6e73f7de9b05e3922", kill_on_drop: false }`
[INFO] [stdout] c76e4766a809093de80cef394466629b675bf859e378c1d6e73f7de9b05e3922