[INFO] crate fn-error-context 0.1.1 is already in cache
[INFO] testing fn-error-context-0.1.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate fn-error-context 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate fn-error-context 0.1.1 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 fn-error-context 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate fn-error-context 0.1.1
[INFO] tweaked toml for crates.io crate fn-error-context 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate fn-error-context 0.1.1 already has a lockfile, it will not be regenerated
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] be9a93e45b831ebd96be83b110775708a38e78ddbbb8622a1e7c5e6bc12db439
[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" "be9a93e45b831ebd96be83b110775708a38e78ddbbb8622a1e7c5e6bc12db439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be9a93e45b831ebd96be83b110775708a38e78ddbbb8622a1e7c5e6bc12db439", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9a93e45b831ebd96be83b110775708a38e78ddbbb8622a1e7c5e6bc12db439", kill_on_drop: false }`
[INFO] [stdout] be9a93e45b831ebd96be83b110775708a38e78ddbbb8622a1e7c5e6bc12db439
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22a2b9d85da382ddfd75c973da83db15413559af09d9dfeecfdd726ccf4e8708
[INFO] running `Command { std: "docker" "start" "-a" "22a2b9d85da382ddfd75c973da83db15413559af09d9dfeecfdd726ccf4e8708", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling fn-error-context v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.11s
[INFO] running `Command { std: "docker" "inspect" "22a2b9d85da382ddfd75c973da83db15413559af09d9dfeecfdd726ccf4e8708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a2b9d85da382ddfd75c973da83db15413559af09d9dfeecfdd726ccf4e8708", kill_on_drop: false }`
[INFO] [stdout] 22a2b9d85da382ddfd75c973da83db15413559af09d9dfeecfdd726ccf4e8708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6d9e689cb49a8ab936c7028f06c2d4d29b43e4c131fabe24eedba2f73532c626
[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" "6d9e689cb49a8ab936c7028f06c2d4d29b43e4c131fabe24eedba2f73532c626", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling trybuild v1.0.24
[INFO] [stderr]    Compiling fn-error-context v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.91s
[INFO] running `Command { std: "docker" "inspect" "6d9e689cb49a8ab936c7028f06c2d4d29b43e4c131fabe24eedba2f73532c626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9e689cb49a8ab936c7028f06c2d4d29b43e4c131fabe24eedba2f73532c626", kill_on_drop: false }`
[INFO] [stdout] 6d9e689cb49a8ab936c7028f06c2d4d29b43e4c131fabe24eedba2f73532c626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7a949bab562ce7e974b3b4cad1acb1acd302d47da2aedcecd0eabdfdb952e94
[INFO] running `Command { std: "docker" "start" "-a" "c7a949bab562ce7e974b3b4cad1acb1acd302d47da2aedcecd0eabdfdb952e94", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fn_error_context-2a6f5846beaa6233
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-2fba15c32bb96953
[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 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling semver-parser v0.9.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling version-sync v0.9.1
[INFO] [stderr]    Compiling fn-error-context v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] test tests ... test tests has been running for over 60 seconds
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling fn-error-context-tests v0.0.0 (/opt/rustwide/target/tests/fn-error-context)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test simple.rs [should pass] ... ok
[INFO] [stderr] test arg.rs [should pass] ... ok
[INFO] [stderr] test arg_pattern.rs [should pass] ... ok
[INFO] [stderr] test inherent.rs [should pass] ... ok
[INFO] [stderr] test missing_fmt.rs [should fail to compile] ... ok
[INFO] [stderr] test fmt_args.rs [should pass] ... ok
[INFO] [stderr] test failure.rs [should pass] ... ok
[INFO] [stderr] test non_copy_arg.rs [should pass] ... ok
[INFO] [stderr] test non_copy_fmt_arg.rs [should pass] ... ok
[INFO] [stderr] test as_ref.rs [should pass] ... ok
[INFO] [stderr] test fmt_missing_arg.rs [should fail to compile] ... ok
[INFO] [stderr] test fmt_unused_arg.rs [should fail to compile] ... ok
[INFO] [stderr] test fmt_named_arg.rs [should pass] ... ok
[INFO] [stderr] test async_without_return.rs [should fail to compile] ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test tests ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/version_numbers-8ad5b03fa788b4c7
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_readme_deps ... ok
[INFO] [stderr]    Doc-tests fn_error_context
[INFO] [stdout] test test_html_root_url ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - context (line 43) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7a949bab562ce7e974b3b4cad1acb1acd302d47da2aedcecd0eabdfdb952e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a949bab562ce7e974b3b4cad1acb1acd302d47da2aedcecd0eabdfdb952e94", kill_on_drop: false }`
[INFO] [stdout] c7a949bab562ce7e974b3b4cad1acb1acd302d47da2aedcecd0eabdfdb952e94