[INFO] crate encoding8 0.3.2 is already in cache
[INFO] testing encoding8-0.3.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate encoding8 0.3.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate encoding8 0.3.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate encoding8 0.3.2
[INFO] finished tweaking crates.io crate encoding8 0.3.2
[INFO] tweaked toml for crates.io crate encoding8 0.3.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a30e9a1b38e30315bbba7f60b641073f03b988e2ffeefb18c1058b2cf058dce9
[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" "a30e9a1b38e30315bbba7f60b641073f03b988e2ffeefb18c1058b2cf058dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30e9a1b38e30315bbba7f60b641073f03b988e2ffeefb18c1058b2cf058dce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30e9a1b38e30315bbba7f60b641073f03b988e2ffeefb18c1058b2cf058dce9", kill_on_drop: false }`
[INFO] [stdout] a30e9a1b38e30315bbba7f60b641073f03b988e2ffeefb18c1058b2cf058dce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 810d00ac71ed9e66b9604762eec0b229e5251c9fd9d28f88d18d12b045ed1ac0
[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" "810d00ac71ed9e66b9604762eec0b229e5251c9fd9d28f88d18d12b045ed1ac0", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding8 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "810d00ac71ed9e66b9604762eec0b229e5251c9fd9d28f88d18d12b045ed1ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810d00ac71ed9e66b9604762eec0b229e5251c9fd9d28f88d18d12b045ed1ac0", kill_on_drop: false }`
[INFO] [stdout] 810d00ac71ed9e66b9604762eec0b229e5251c9fd9d28f88d18d12b045ed1ac0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4427c17e04f732d418a84c1b3e9b43d0f12adf766a3da86ca8a626074a07f7c1
[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" "4427c17e04f732d418a84c1b3e9b43d0f12adf766a3da86ca8a626074a07f7c1", kill_on_drop: false }`
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling encoding8 v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ascii/mod.rs:270:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |         _ => unreachable!(),
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/ebcdic.rs:262:9
[INFO] [stdout]     |
[INFO] [stdout] 262 |         _ => unreachable!(),
[INFO] [stdout]     |         ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "4427c17e04f732d418a84c1b3e9b43d0f12adf766a3da86ca8a626074a07f7c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4427c17e04f732d418a84c1b3e9b43d0f12adf766a3da86ca8a626074a07f7c1", kill_on_drop: false }`
[INFO] [stdout] 4427c17e04f732d418a84c1b3e9b43d0f12adf766a3da86ca8a626074a07f7c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] f5ed74699da9d1c23e34f81f3737c43756dc7141ea10f73533325fade0269ca7
[INFO] running `Command { std: "docker" "start" "-a" "f5ed74699da9d1c23e34f81f3737c43756dc7141ea10f73533325fade0269ca7", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ascii/mod.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         _ => unreachable!(),
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ebcdic.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |         _ => unreachable!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ascii/mod.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         _ => unreachable!(),
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ebcdic.rs:262:9
[INFO] [stderr]     |
[INFO] [stderr] 262 |         _ => unreachable!(),
[INFO] [stderr]     |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/encoding8-cd1bb68b20a581c0
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test ascii::tests::test_checks ... ok
[INFO] [stdout] test tests::bijection ... ok
[INFO] [stdout] test ascii::tests::test_cases ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests encoding8
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_control (line 345) ... ok
[INFO] [stdout] test src/ascii/string.rs - ascii::string::ASCII::is_alphanumeric (line 38) ... ok
[INFO] [stdout] test src/ascii/string.rs - ascii::string::ASCII::is_alphabetical (line 47) ... ok
[INFO] [stdout] test src/ascii/string.rs - ascii::string::ASCII::is_lowercase (line 17) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_alphabetical (line 374) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_lowercase (line 301) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::to_uppercase (line 281) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_printable (line 359) ... ok
[INFO] [stdout] test src/ascii/string.rs - ascii::string::ASCII::is_numeric (line 27) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_uppercase (line 316) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_numeric (line 331) ... ok
[INFO] [stdout] test src/ascii/mod.rs - ascii::is_alphanumeric (line 387) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f5ed74699da9d1c23e34f81f3737c43756dc7141ea10f73533325fade0269ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ed74699da9d1c23e34f81f3737c43756dc7141ea10f73533325fade0269ca7", kill_on_drop: false }`
[INFO] [stdout] f5ed74699da9d1c23e34f81f3737c43756dc7141ea10f73533325fade0269ca7