[INFO] fetching crate serde-strz 1.1.1...
[INFO] testing serde-strz-1.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde-strz 1.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate serde-strz 1.1.1 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 serde-strz 1.1.1
[INFO] finished tweaking crates.io crate serde-strz 1.1.1
[INFO] tweaked toml for crates.io crate serde-strz 1.1.1 written to /workspace/builds/worker-2/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-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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cbd63f2b164582dc9fa7129f9f2510d313dadc9687cd758d6249311298e00ed
[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" "3cbd63f2b164582dc9fa7129f9f2510d313dadc9687cd758d6249311298e00ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cbd63f2b164582dc9fa7129f9f2510d313dadc9687cd758d6249311298e00ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbd63f2b164582dc9fa7129f9f2510d313dadc9687cd758d6249311298e00ed", kill_on_drop: false }`
[INFO] [stdout] 3cbd63f2b164582dc9fa7129f9f2510d313dadc9687cd758d6249311298e00ed
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ec8fde45df11f785ffb0c8166b9a944dcb9ca434a84db648725bd5e6c19eb8b9
[INFO] running `Command { std: "docker" "start" "-a" "ec8fde45df11f785ffb0c8166b9a944dcb9ca434a84db648725bd5e6c19eb8b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-strz v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ec8fde45df11f785ffb0c8166b9a944dcb9ca434a84db648725bd5e6c19eb8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8fde45df11f785ffb0c8166b9a944dcb9ca434a84db648725bd5e6c19eb8b9", kill_on_drop: false }`
[INFO] [stdout] ec8fde45df11f785ffb0c8166b9a944dcb9ca434a84db648725bd5e6c19eb8b9
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a521113bf91cacc867b974c4075aaacb99df651df15c85b4cb55c019c3f353d8
[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" "a521113bf91cacc867b974c4075aaacb99df651df15c85b4cb55c019c3f353d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-strz v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "a521113bf91cacc867b974c4075aaacb99df651df15c85b4cb55c019c3f353d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a521113bf91cacc867b974c4075aaacb99df651df15c85b4cb55c019c3f353d8", kill_on_drop: false }`
[INFO] [stdout] a521113bf91cacc867b974c4075aaacb99df651df15c85b4cb55c019c3f353d8
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7cb23710d2e2b5e2f603fdcb7708af2d4cf74db421e94a61c82a496f2224abe4
[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" "7cb23710d2e2b5e2f603fdcb7708af2d4cf74db421e94a61c82a496f2224abe4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_strz-01ab815259ea22cd
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde-strz
[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 8 tests
[INFO] [stdout] test src/emp.rs - emp (line 34) ... ok
[INFO] [stdout] test src/emp.rs - emp (line 85) ... ok
[INFO] [stdout] test src/emp.rs - emp (line 5) ... ok
[INFO] [stdout] test src/opt.rs - opt (line 34) ... ok
[INFO] [stdout] test src/emp.rs - emp (line 60) ... ok
[INFO] [stdout] test src/opt.rs - opt (line 60) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/opt.rs - opt (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7cb23710d2e2b5e2f603fdcb7708af2d4cf74db421e94a61c82a496f2224abe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb23710d2e2b5e2f603fdcb7708af2d4cf74db421e94a61c82a496f2224abe4", kill_on_drop: false }`
[INFO] [stdout] 7cb23710d2e2b5e2f603fdcb7708af2d4cf74db421e94a61c82a496f2224abe4