[INFO] fetching crate serde_token 0.0.2...
[INFO] testing serde_token-0.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate serde_token 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate serde_token 0.0.2 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_token 0.0.2
[INFO] finished tweaking crates.io crate serde_token 0.0.2
[INFO] tweaked toml for crates.io crate serde_token 0.0.2 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e44473c2575986f7e3e2c173251ab31f5e0eeb5b39debb9085f99e1cb7af024
[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" "5e44473c2575986f7e3e2c173251ab31f5e0eeb5b39debb9085f99e1cb7af024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e44473c2575986f7e3e2c173251ab31f5e0eeb5b39debb9085f99e1cb7af024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e44473c2575986f7e3e2c173251ab31f5e0eeb5b39debb9085f99e1cb7af024", kill_on_drop: false }`
[INFO] [stdout] 5e44473c2575986f7e3e2c173251ab31f5e0eeb5b39debb9085f99e1cb7af024
[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: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] 916e677f3bf25e4447315fd1eb353200d23f2877beda7fbb902560a76803cd92
[INFO] running `Command { std: "docker" "start" "-a" "916e677f3bf25e4447315fd1eb353200d23f2877beda7fbb902560a76803cd92", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde-transcode v1.1.0
[INFO] [stderr]    Compiling serde_token v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "916e677f3bf25e4447315fd1eb353200d23f2877beda7fbb902560a76803cd92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "916e677f3bf25e4447315fd1eb353200d23f2877beda7fbb902560a76803cd92", kill_on_drop: false }`
[INFO] [stdout] 916e677f3bf25e4447315fd1eb353200d23f2877beda7fbb902560a76803cd92
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faf8a64262aae98306cd5c28d8c47615936c6eb3f5395fc2f13da8f2f0edb621
[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" "faf8a64262aae98306cd5c28d8c47615936c6eb3f5395fc2f13da8f2f0edb621", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_token v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `Command { std: "docker" "inspect" "faf8a64262aae98306cd5c28d8c47615936c6eb3f5395fc2f13da8f2f0edb621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faf8a64262aae98306cd5c28d8c47615936c6eb3f5395fc2f13da8f2f0edb621", kill_on_drop: false }`
[INFO] [stdout] faf8a64262aae98306cd5c28d8c47615936c6eb3f5395fc2f13da8f2f0edb621
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3d12d606dcee84c1d807ae9e8fafd071018faf09f6cf9d984fb37c29d921864d
[INFO] running `Command { std: "docker" "start" "-a" "3d12d606dcee84c1d807ae9e8fafd071018faf09f6cf9d984fb37c29d921864d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/serde_token-3e52e218f4f6330d
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::simple ... ok
[INFO] [stdout] test test::complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_token
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d12d606dcee84c1d807ae9e8fafd071018faf09f6cf9d984fb37c29d921864d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d12d606dcee84c1d807ae9e8fafd071018faf09f6cf9d984fb37c29d921864d", kill_on_drop: false }`
[INFO] [stdout] 3d12d606dcee84c1d807ae9e8fafd071018faf09f6cf9d984fb37c29d921864d