[INFO] fetching crate common_failures 0.1.1...
[INFO] testing common_failures-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate common_failures 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate common_failures 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0f4b84b519b30670e5a14139ae87cd5659866b7ebd230bef8682a85290ea3ce
[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" "d0f4b84b519b30670e5a14139ae87cd5659866b7ebd230bef8682a85290ea3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f4b84b519b30670e5a14139ae87cd5659866b7ebd230bef8682a85290ea3ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f4b84b519b30670e5a14139ae87cd5659866b7ebd230bef8682a85290ea3ce", kill_on_drop: false }`
[INFO] [stdout] d0f4b84b519b30670e5a14139ae87cd5659866b7ebd230bef8682a85290ea3ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6670f28d666c56ede9e9ff619f726ffe489e4e15aeb1771ffadfaa01c94eb4
[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" "1b6670f28d666c56ede9e9ff619f726ffe489e4e15aeb1771ffadfaa01c94eb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "1b6670f28d666c56ede9e9ff619f726ffe489e4e15aeb1771ffadfaa01c94eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6670f28d666c56ede9e9ff619f726ffe489e4e15aeb1771ffadfaa01c94eb4", kill_on_drop: false }`
[INFO] [stdout] 1b6670f28d666c56ede9e9ff619f726ffe489e4e15aeb1771ffadfaa01c94eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c56ea0661d012f5325a43874b4985bd864262a9d803871f78e93af8c7d82b32
[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" "1c56ea0661d012f5325a43874b4985bd864262a9d803871f78e93af8c7d82b32", 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 1.49s
[INFO] running `Command { std: "docker" "inspect" "1c56ea0661d012f5325a43874b4985bd864262a9d803871f78e93af8c7d82b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c56ea0661d012f5325a43874b4985bd864262a9d803871f78e93af8c7d82b32", kill_on_drop: false }`
[INFO] [stdout] 1c56ea0661d012f5325a43874b4985bd864262a9d803871f78e93af8c7d82b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e65acd2abb8ca2de95ae6a9eacfda5f4d905c9dd4d036d9d45c703b0019bc83b
[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" "e65acd2abb8ca2de95ae6a9eacfda5f4d905c9dd4d036d9d45c703b0019bc83b", 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
[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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/common_failures-8ae5c05f58a9e8f5
[INFO] [stderr]    Doc-tests common_failures
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 46) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextExt::io_context (line 119) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextExt::io_read_context (line 146) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextErrorExt::io_context (line 209) ... ok
[INFO] [stdout] test src/io.rs - io::IoContextErrorExt::io_read_context (line 236) ... 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e65acd2abb8ca2de95ae6a9eacfda5f4d905c9dd4d036d9d45c703b0019bc83b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65acd2abb8ca2de95ae6a9eacfda5f4d905c9dd4d036d9d45c703b0019bc83b", kill_on_drop: false }`
[INFO] [stdout] e65acd2abb8ca2de95ae6a9eacfda5f4d905c9dd4d036d9d45c703b0019bc83b