[INFO] cloning repository https://github.com/guillaumecherel/constructor-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guillaumecherel/constructor-graph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumecherel%2Fconstructor-graph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumecherel%2Fconstructor-graph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7eb1a10bff7fd709da1bda57da4f7c0d230070de
[INFO] testing guillaumecherel/constructor-graph against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguillaumecherel%2Fconstructor-graph" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guillaumecherel/constructor-graph on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guillaumecherel/constructor-graph
[INFO] finished tweaking git repo https://github.com/guillaumecherel/constructor-graph
[INFO] tweaked toml for git repo https://github.com/guillaumecherel/constructor-graph written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/guillaumecherel/constructor-graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e13c16084b69ddf1a0042e3c1133e79ae31b6e52bcd323859208445d95c88fee
[INFO] running `Command { std: "docker" "start" "-a" "e13c16084b69ddf1a0042e3c1133e79ae31b6e52bcd323859208445d95c88fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e13c16084b69ddf1a0042e3c1133e79ae31b6e52bcd323859208445d95c88fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13c16084b69ddf1a0042e3c1133e79ae31b6e52bcd323859208445d95c88fee", kill_on_drop: false }`
[INFO] [stdout] e13c16084b69ddf1a0042e3c1133e79ae31b6e52bcd323859208445d95c88fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a336cb109b6a0118379a59debb7119072f87763925141cef0da2b8c91e2a57c8
[INFO] running `Command { std: "docker" "start" "-a" "a336cb109b6a0118379a59debb7119072f87763925141cef0da2b8c91e2a57c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling dependency_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `morphisms_df`
[INFO] [stdout]    --> src/cat.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn morphisms_df(sources: &Vec<&Type>, mss: &Vec<MorphScheme>) -> MorphismsDF {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_line`
[INFO] [stdout]    --> src/parse.rs:385:8
[INFO] [stdout]     |
[INFO] [stdout] 385 | pub fn parse_line<T>(stream: &mut State<T>) -> Result<String, ParseError>
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `state_from`
[INFO] [stdout]    --> src/parse.rs:591:8
[INFO] [stdout]     |
[INFO] [stdout] 591 | pub fn state_from(s: &str) -> State<Chars> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key`
[INFO] [stdout]    --> src/template.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn key(s: &str) -> TemplateBit {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `script_cons`
[INFO] [stdout]    --> src/cons.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub fn script_cons(c: &Cons, cons_def: &Vec<(String, Cons, Type)>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons_test`
[INFO] [stdout]    --> src/cons.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 | pub fn cons_test() -> Vec<(String, Type)> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ty_var_0`
[INFO] [stdout]    --> src/type_sy.rs:291:8
[INFO] [stdout]     |
[INFO] [stdout] 291 | pub fn ty_var_0(name: &str) -> Tyvar {Tyvar(String::from(name), Kind::Star)}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.03s
[INFO] running `Command { std: "docker" "inspect" "a336cb109b6a0118379a59debb7119072f87763925141cef0da2b8c91e2a57c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a336cb109b6a0118379a59debb7119072f87763925141cef0da2b8c91e2a57c8", kill_on_drop: false }`
[INFO] [stdout] a336cb109b6a0118379a59debb7119072f87763925141cef0da2b8c91e2a57c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a962225e5c9ca1c5b1dc59f4e7706828872d63e58a521b0e34bfa99bad512194
[INFO] running `Command { std: "docker" "start" "-a" "a962225e5c9ca1c5b1dc59f4e7706828872d63e58a521b0e34bfa99bad512194", kill_on_drop: false }`
[INFO] [stderr]    Compiling dependency_graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `morphisms_df`
[INFO] [stdout]    --> src/cat.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub fn morphisms_df(sources: &Vec<&Type>, mss: &Vec<MorphScheme>) -> MorphismsDF {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `script_cons`
[INFO] [stdout]    --> src/cons.rs:325:8
[INFO] [stdout]     |
[INFO] [stdout] 325 | pub fn script_cons(c: &Cons, cons_def: &Vec<(String, Cons, Type)>) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cons_test`
[INFO] [stdout]    --> src/cons.rs:395:8
[INFO] [stdout]     |
[INFO] [stdout] 395 | pub fn cons_test() -> Vec<(String, Type)> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "a962225e5c9ca1c5b1dc59f4e7706828872d63e58a521b0e34bfa99bad512194", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a962225e5c9ca1c5b1dc59f4e7706828872d63e58a521b0e34bfa99bad512194", kill_on_drop: false }`
[INFO] [stdout] a962225e5c9ca1c5b1dc59f4e7706828872d63e58a521b0e34bfa99bad512194
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 077a3956979ea62373313396ece83f795c81b540f04fad94dc7a39ce02035fde
[INFO] running `Command { std: "docker" "start" "-a" "077a3956979ea62373313396ece83f795c81b540f04fad94dc7a39ce02035fde", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: function is never used: `morphisms_df`
[INFO] [stdout] running 33 tests
[INFO] [stderr]    --> src/cat.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | pub fn morphisms_df(sources: &Vec<&Type>, mss: &Vec<MorphScheme>) -> MorphismsDF {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `script_cons`
[INFO] [stderr]    --> src/cons.rs:325:8
[INFO] [stderr]     |
[INFO] [stderr] 325 | pub fn script_cons(c: &Cons, cons_def: &Vec<(String, Cons, Type)>) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cons_test`
[INFO] [stderr]    --> src/cons.rs:395:8
[INFO] [stderr]     |
[INFO] [stderr] 395 | pub fn cons_test() -> Vec<(String, Type)> {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dependency_graph` (bin "dependency_graph" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dependency_graph-39b59a110695e51e)
[INFO] [stdout] test parse::tests::test_parse_cons_definition ... ok
[INFO] [stdout] test cons::tests::test_using ... ok
[INFO] [stdout] test parse::tests::test_parse_constructors ... ok
[INFO] [stdout] test parse::tests::test_parse_line ... ok
[INFO] [stdout] test parse::tests::test_parse_many ... ok
[INFO] [stdout] test parse::tests::test_parse_parametric_type ... ok
[INFO] [stdout] test parse::tests::test_parse_parenthesized ... ok
[INFO] [stdout] test parse::tests::test_parse_string ... ok
[INFO] [stdout] test parse::tests::test_parse_try ... ok
[INFO] [stdout] test parse::tests::test_parse_type_constant ... ok
[INFO] [stdout] test parse::tests::test_parse_type_variable ... ok
[INFO] [stdout] test parse::tests::test_parse_uncapitalized_identifier ... ok
[INFO] [stdout] test parse::tests::test_skip_whitespace ... ok
[INFO] [stdout] test parse::tests::test_parse_cons_declaration ... ok
[INFO] [stdout] test parse::tests::test_state_checkpoint ... ok
[INFO] [stdout] test template::tests::test_template_to_string ... ok
[INFO] [stdout] test type_sy::tests::test_arity ... ok
[INFO] [stdout] test type_sy::tests::test_fresh_inst ... ok
[INFO] [stdout] test type_sy::tests::test_has_kind ... ok
[INFO] [stdout] test util::tests::test_indent ... ok
[INFO] [stdout] test parse::tests::test_parse_cons_body ... ok
[INFO] [stdout] test parse::tests::test_parse_cons ... ok
[INFO] [stdout] test parse::tests::test_parse_char ... ok
[INFO] [stdout] test util::tests::test_union ... ok
[INFO] [stdout] test parse::tests::test_parse_capitalized_identifier ... ok
[INFO] [stdout] test cat::tests::test_morphism_and_then ... ok
[INFO] [stdout] test parse::tests::test_parse_cons_name ... ok
[INFO] [stdout] test cons::tests::test_uncat_cons ... ok
[INFO] [stdout] test parse::tests::test_parse_function_type ... ok
[INFO] [stdout] test type_sy::tests::test_mgu ... ok
[INFO] [stdout] test parse::tests::test_parse_alt ... ok
[INFO] [stdout] test type_sy::tests::test_quantify ... ok
[INFO] [stdout] test cat::tests::test_morphism_from_scheme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "077a3956979ea62373313396ece83f795c81b540f04fad94dc7a39ce02035fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077a3956979ea62373313396ece83f795c81b540f04fad94dc7a39ce02035fde", kill_on_drop: false }`
[INFO] [stdout] 077a3956979ea62373313396ece83f795c81b540f04fad94dc7a39ce02035fde