[INFO] fetching crate ptah 0.0.0...
[INFO] testing ptah-0.0.0 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate ptah 0.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate ptah 0.0.0 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ptah 0.0.0
[INFO] finished tweaking crates.io crate ptah 0.0.0
[INFO] tweaked toml for crates.io crate ptah 0.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0324af97876b36e9ed599af28ce5b246a8a5ddcb7e96044daccf2eaec00ac382
[INFO] running `"docker" "start" "-a" "0324af97876b36e9ed599af28ce5b246a8a5ddcb7e96044daccf2eaec00ac382"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling ptah v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stderr]   --> src/lib.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | type Result<T> = core::result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `"docker" "inspect" "0324af97876b36e9ed599af28ce5b246a8a5ddcb7e96044daccf2eaec00ac382"`
[INFO] running `"docker" "rm" "-f" "0324af97876b36e9ed599af28ce5b246a8a5ddcb7e96044daccf2eaec00ac382"`
[INFO] [stdout] 0324af97876b36e9ed599af28ce5b246a8a5ddcb7e96044daccf2eaec00ac382
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d16752e9342219bd3db9a06c263dc4b68063a2faf9379790c05a5be36a53bd0
[INFO] running `"docker" "start" "-a" "0d16752e9342219bd3db9a06c263dc4b68063a2faf9379790c05a5be36a53bd0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling ptah v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stderr]   --> src/lib.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | type Result<T> = core::result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stderr]   --> src/lib.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | type Result<T> = core::result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "0d16752e9342219bd3db9a06c263dc4b68063a2faf9379790c05a5be36a53bd0"`
[INFO] running `"docker" "rm" "-f" "0d16752e9342219bd3db9a06c263dc4b68063a2faf9379790c05a5be36a53bd0"`
[INFO] [stdout] 0d16752e9342219bd3db9a06c263dc4b68063a2faf9379790c05a5be36a53bd0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 53caa24b56f624c62614e232f9917f67ef986e78223cd36e1010b5b1bdb63bdd
[INFO] running `"docker" "start" "-a" "53caa24b56f624c62614e232f9917f67ef986e78223cd36e1010b5b1bdb63bdd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stderr]   --> src/lib.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | type Result<T> = core::result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `formatter`
[INFO] [stderr]   --> src/lib.rs:38:19
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]    |                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Result`
[INFO] [stderr]   --> src/lib.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | type Result<T> = core::result::Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ptah-0c3c67157f89fbcc
[INFO] [stderr]    Doc-tests ptah
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "53caa24b56f624c62614e232f9917f67ef986e78223cd36e1010b5b1bdb63bdd"`
[INFO] running `"docker" "rm" "-f" "53caa24b56f624c62614e232f9917f67ef986e78223cd36e1010b5b1bdb63bdd"`
[INFO] [stdout] 53caa24b56f624c62614e232f9917f67ef986e78223cd36e1010b5b1bdb63bdd