[INFO] fetching crate anyhow 1.0.37...
[INFO] testing anyhow-1.0.37 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate anyhow 1.0.37 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate anyhow 1.0.37 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate anyhow 1.0.37
[INFO] finished tweaking crates.io crate anyhow 1.0.37
[INFO] tweaked toml for crates.io crate anyhow 1.0.37 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2021-01-01" "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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff18732c8019910e381cecb5d40f567e392c71cb2f932d9414a7f421e292ef2
[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" "6ff18732c8019910e381cecb5d40f567e392c71cb2f932d9414a7f421e292ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff18732c8019910e381cecb5d40f567e392c71cb2f932d9414a7f421e292ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff18732c8019910e381cecb5d40f567e392c71cb2f932d9414a7f421e292ef2", kill_on_drop: false }`
[INFO] [stdout] 6ff18732c8019910e381cecb5d40f567e392c71cb2f932d9414a7f421e292ef2
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22e1dae853aecc9c1a08b15ff11313c21bae08de55bd0ffcd5a8615e0c659db
[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" "a22e1dae853aecc9c1a08b15ff11313c21bae08de55bd0ffcd5a8615e0c659db", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "a22e1dae853aecc9c1a08b15ff11313c21bae08de55bd0ffcd5a8615e0c659db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22e1dae853aecc9c1a08b15ff11313c21bae08de55bd0ffcd5a8615e0c659db", kill_on_drop: false }`
[INFO] [stdout] a22e1dae853aecc9c1a08b15ff11313c21bae08de55bd0ffcd5a8615e0c659db
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54e996e9ea78b85d6b205a64b8f2f33cca3f73c544a587a2e56ba6849232c079
[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" "54e996e9ea78b85d6b205a64b8f2f33cca3f73c544a587a2e56ba6849232c079", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.37 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.46s
[INFO] running `Command { std: "docker" "inspect" "54e996e9ea78b85d6b205a64b8f2f33cca3f73c544a587a2e56ba6849232c079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e996e9ea78b85d6b205a64b8f2f33cca3f73c544a587a2e56ba6849232c079", kill_on_drop: false }`
[INFO] [stdout] 54e996e9ea78b85d6b205a64b8f2f33cca3f73c544a587a2e56ba6849232c079
[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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 677921dd28e1dea856fef6e75aca2277e4b52d714c9d81d53b425e37e6c6822b
[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" "677921dd28e1dea856fef6e75aca2277e4b52d714c9d81d53b425e37e6c6822b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/anyhow-6f7d459cf6495068
[INFO] [stdout] test fmt::tests::two_digits ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compiletest-6c1daf098ee08e3e
[INFO] [stdout] test fmt::tests::one_digit ... ok
[INFO] [stdout] test fmt::tests::no_digits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ui ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_autotrait-7f4e50bb4dc885d4
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_backtrace-48b4cc800c77f761
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_boxed-8d70f1112d84e773
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_send ... ok
[INFO] [stdout] test test_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_backtrace ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_boxed_thiserror ... ok
[INFO] [stdout] test test_boxed_str ... ok
[INFO] [stdout] test test_boxed_anyhow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_chain-73e6dae974f9109e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_context-914c43268424da47
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_rev ... ok
[INFO] [stdout] test test_len ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_inference ... ok
[INFO] [stdout] test test_downcast_ref ... ok
[INFO] [stdout] test test_downcast_high ... ok
[INFO] [stdout] test test_unsuccessful_downcast ... ok
[INFO] [stdout] test test_downcast_low ... ok
[INFO] [stdout] test test_downcast_mid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_convert-361a199031da0162
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_convert ... ok
[INFO] [stdout] test test_question_mark ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_downcast-58a9550c49285f0a
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_downcast_ref ... ok
[INFO] [stdout] test test_large_alignment ... ok
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_downcast ... ok
[INFO] [stdout] test test_downcast_mut ... ok
[INFO] [stdout] test test_unsuccessful_downcast ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_ffi-3a53fe4094dc6fec
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_fmt-c3442870178b5c4d
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_debug ... ignored
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_macros-4ef67b2c657c05cc
[INFO] [stdout] test test_altdebug ... ok
[INFO] [stdout] test test_altdisplay ... ok
[INFO] [stdout] test test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_ensure ... ok
[INFO] [stdout] test test_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_repr-77dcca03d3b007fd
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_autotraits ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_source-e6ebbb0c091177b3
[INFO] [stdout] test test_error_size ... ok
[INFO] [stdout] test test_null_pointer_optimization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_variable_source ... ok
[INFO] [stdout] test test_literal_source ... ok
[INFO] [stdout] test test_anyhow_from_anyhow ... ok
[INFO] [stderr]    Doc-tests anyhow
[INFO] [stdout] test test_fmt_source ... ok
[INFO] [stdout] test test_io_source ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 177) ... ok
[INFO] [stdout] test src/error.rs - error::Error::msg (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Chain (line 375) ... ok
[INFO] [stdout] test src/lib.rs - (line 101) ... ok
[INFO] [stdout] test src/lib.rs - (line 190) ... ok
[INFO] [stdout] test src/lib.rs - (line 158) ... ok
[INFO] [stdout] test src/error.rs - error::Error::context (line 216) ... ok
[INFO] [stdout] test src/context.rs - context::Option<T> (line 62) ... ok
[INFO] [stdout] test src/lib.rs - Result (line 403) ... ok
[INFO] [stdout] test src/lib.rs - Context (line 455) ... ok
[INFO] [stdout] test src/error.rs - error::Error::chain (line 318) ... ok
[INFO] [stdout] test src/error.rs - error::Error::downcast_ref (line 400) ... ok
[INFO] [stdout] test src/lib.rs - Context (line 515) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - Result (line 417) ... ok
[INFO] [stdout] test src/macros.rs - anyhow (line 153) ... ok
[INFO] [stdout] test src/lib.rs - Error (line 346) ... ok
[INFO] [stdout] test src/macros.rs - ensure (line 80) ... ok
[INFO] [stdout] test src/macros.rs - bail (line 10) ... ok
[INFO] [stdout] test src/lib.rs - Context (line 556) ... ok
[INFO] [stdout] test src/macros.rs - ensure (line 91) ... ok
[INFO] [stdout] test src/macros.rs - bail (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.94s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "677921dd28e1dea856fef6e75aca2277e4b52d714c9d81d53b425e37e6c6822b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "677921dd28e1dea856fef6e75aca2277e4b52d714c9d81d53b425e37e6c6822b", kill_on_drop: false }`
[INFO] [stdout] 677921dd28e1dea856fef6e75aca2277e4b52d714c9d81d53b425e37e6c6822b