[INFO] fetching crate common_failures 0.1.1...
[INFO] testing common_failures-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate common_failures 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate common_failures 0.1.1 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 common_failures 0.1.1
[INFO] finished tweaking crates.io crate common_failures 0.1.1
[INFO] tweaked toml for crates.io crate common_failures 0.1.1 written to /workspace/builds/worker-5/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "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] ab0b5a5287e305f2a1d47843b78c7351328f9482e36acf58d3f5c8ddd6273c28
[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" "ab0b5a5287e305f2a1d47843b78c7351328f9482e36acf58d3f5c8ddd6273c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab0b5a5287e305f2a1d47843b78c7351328f9482e36acf58d3f5c8ddd6273c28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab0b5a5287e305f2a1d47843b78c7351328f9482e36acf58d3f5c8ddd6273c28", kill_on_drop: false }`
[INFO] [stdout] ab0b5a5287e305f2a1d47843b78c7351328f9482e36acf58d3f5c8ddd6273c28
[INFO] running `Command { std: "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" "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] 4301fff7097d281ce3943d0a553a1e58aff649f0c156e112de261b64a3b4f341
[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" "4301fff7097d281ce3943d0a553a1e58aff649f0c156e112de261b64a3b4f341", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling common_failures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]   --> src/display.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for cause in self.err.causes() {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.92s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4301fff7097d281ce3943d0a553a1e58aff649f0c156e112de261b64a3b4f341", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4301fff7097d281ce3943d0a553a1e58aff649f0c156e112de261b64a3b4f341", kill_on_drop: false }`
[INFO] [stdout] 4301fff7097d281ce3943d0a553a1e58aff649f0c156e112de261b64a3b4f341
[INFO] running `Command { std: "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" "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] ec4bcdaafa19a3bc6f82ecf1ff7b9bc57d59392184fc68aeead8dd8902c73547
[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" "ec4bcdaafa19a3bc6f82ecf1ff7b9bc57d59392184fc68aeead8dd8902c73547", kill_on_drop: false }`
[INFO] [stderr]    Compiling common_failures v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]   --> src/display.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for cause in self.err.causes() {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout]   --> src/display.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for cause in self.err.causes() {
[INFO] [stdout]    |                               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "ec4bcdaafa19a3bc6f82ecf1ff7b9bc57d59392184fc68aeead8dd8902c73547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4bcdaafa19a3bc6f82ecf1ff7b9bc57d59392184fc68aeead8dd8902c73547", kill_on_drop: false }`
[INFO] [stdout] ec4bcdaafa19a3bc6f82ecf1ff7b9bc57d59392184fc68aeead8dd8902c73547
[INFO] running `Command { std: "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" "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] 5c454c8c92685cae1a789170a4f87c1cfef4f79af535d8ba2d50b73213f770d7
[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" "5c454c8c92685cae1a789170a4f87c1cfef4f79af535d8ba2d50b73213f770d7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/display.rs:18:31
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 18 |         for cause in self.err.causes() {
[INFO] [stdout] 
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `failure::Error::causes`: please use the 'iter_chain()' method instead
[INFO] [stderr]   --> src/display.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for cause in self.err.causes() {
[INFO] [stderr]    |                               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/common_failures-6f6ed7ce16bfd737
[INFO] [stderr]    Doc-tests common_failures
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/io.rs - io::IoContextExt::io_context (line 119) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextErrorExt::io_read_context (line 236) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextExt::io_read_context (line 146) ... ok
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextErrorExt::io_context (line 209) ... ok
[INFO] [stdout] test src/lib.rs - (line 63) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.88s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5c454c8c92685cae1a789170a4f87c1cfef4f79af535d8ba2d50b73213f770d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c454c8c92685cae1a789170a4f87c1cfef4f79af535d8ba2d50b73213f770d7", kill_on_drop: false }`
[INFO] [stdout] 5c454c8c92685cae1a789170a4f87c1cfef4f79af535d8ba2d50b73213f770d7