[INFO] crate schemer 0.1.2 is already in cache
[INFO] testing schemer-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate schemer 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate schemer 0.1.2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate schemer 0.1.2
[INFO] finished tweaking crates.io crate schemer 0.1.2
[INFO] tweaked toml for crates.io crate schemer 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 211ddb575047755ac9818b85eb437a733ee6a4bf13a9bf53800829d12efbd073
[INFO] running `Command { std: "docker" "start" "-a" "211ddb575047755ac9818b85eb437a733ee6a4bf13a9bf53800829d12efbd073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211ddb575047755ac9818b85eb437a733ee6a4bf13a9bf53800829d12efbd073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211ddb575047755ac9818b85eb437a733ee6a4bf13a9bf53800829d12efbd073", kill_on_drop: false }`
[INFO] [stdout] 211ddb575047755ac9818b85eb437a733ee6a4bf13a9bf53800829d12efbd073
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5711e97a04c66da27c6a6c544912f33391c923a8aa397fa62dbd42359ba1ce0
[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" "a5711e97a04c66da27c6a6c544912f33391c923a8aa397fa62dbd42359ba1ce0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling uuid v0.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling schemer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.99s
[INFO] running `Command { std: "docker" "inspect" "a5711e97a04c66da27c6a6c544912f33391c923a8aa397fa62dbd42359ba1ce0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5711e97a04c66da27c6a6c544912f33391c923a8aa397fa62dbd42359ba1ce0", kill_on_drop: false }`
[INFO] [stdout] a5711e97a04c66da27c6a6c544912f33391c923a8aa397fa62dbd42359ba1ce0
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a3afb4b0acbbfb6e739afbb8725ce40b7e17d36a9e3ce3ae0d4c6b36fe6372b
[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" "0a3afb4b0acbbfb6e739afbb8725ce40b7e17d36a9e3ce3ae0d4c6b36fe6372b", kill_on_drop: false }`
[INFO] [stderr]    Compiling schemer v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:382:30
[INFO] [stdout]     |
[INFO] [stdout] 382 |         type MigrationType = Migration;
[INFO] [stdout]     |                              ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/testing.rs:76:23
[INFO] [stdout]     |
[INFO] [stdout] 76  |                 $setup;
[INFO] [stdout]     |                       ^ help: remove this semicolon
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 407 |     test_schemer_adapter!(DefaultTestAdapter::new());
[INFO] [stdout]     |     ------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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: unnecessary trailing semicolon
[INFO] [stdout]    --> src/testing.rs:76:23
[INFO] [stdout]     |
[INFO] [stdout] 76  |                 $setup;
[INFO] [stdout]     |                       ^ help: remove this semicolon
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/lib.rs:407:5
[INFO] [stdout]     |
[INFO] [stdout] 407 |     test_schemer_adapter!(DefaultTestAdapter::new());
[INFO] [stdout]     |     ------------------------------------------------- in this macro invocation
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.31s
[INFO] running `Command { std: "docker" "inspect" "0a3afb4b0acbbfb6e739afbb8725ce40b7e17d36a9e3ce3ae0d4c6b36fe6372b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3afb4b0acbbfb6e739afbb8725ce40b7e17d36a9e3ce3ae0d4c6b36fe6372b", kill_on_drop: false }`
[INFO] [stdout] 0a3afb4b0acbbfb6e739afbb8725ce40b7e17d36a9e3ce3ae0d4c6b36fe6372b
[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" "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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3a8d1f1e7eea555de65d22f3a73d889d2fd22a3bae75fcac3b08affe28d7f5c
[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" "c3a8d1f1e7eea555de65d22f3a73d889d2fd22a3bae75fcac3b08affe28d7f5c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:382:30
[INFO] [stderr]     |
[INFO] [stderr] 382 |         type MigrationType = Migration;
[INFO] [stderr]     |                              ^^^^^^^^^ help: use `dyn`: `dyn Migration`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/testing.rs:76:23
[INFO] [stderr]     |
[INFO] [stderr] 76  |                 $setup;
[INFO] [stderr]     |                       ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 |     test_schemer_adapter!(DefaultTestAdapter::new());
[INFO] [stderr]     |     ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/testing.rs:76:23
[INFO] [stderr]     |
[INFO] [stderr] 76  |                 $setup;
[INFO] [stderr]     |                       ^ help: remove this semicolon
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:407:5
[INFO] [stderr]     |
[INFO] [stderr] 407 |     test_schemer_adapter!(DefaultTestAdapter::new());
[INFO] [stderr]     |     ------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/schemer-bf5c65841bf95f9d
[INFO] [stdout] test tests::test_branching_dag ... ok
[INFO] [stdout] test tests::test_multi_component_dag ... ok
[INFO] [stdout] test tests::test_single_migration ... ok
[INFO] [stdout] test tests::test_migration_chain ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests schemer
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/testing.rs - test_schemer_adapter (line 50) ... ignored
[INFO] [stdout] test src/lib.rs - migration (line 51) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3a8d1f1e7eea555de65d22f3a73d889d2fd22a3bae75fcac3b08affe28d7f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a8d1f1e7eea555de65d22f3a73d889d2fd22a3bae75fcac3b08affe28d7f5c", kill_on_drop: false }`
[INFO] [stdout] c3a8d1f1e7eea555de65d22f3a73d889d2fd22a3bae75fcac3b08affe28d7f5c