[INFO] updating cached repository https://github.com/project-fifo/fifo-tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db748313693c4c847ab9383aa4413db9596e03cf
[INFO] testing project-fifo/fifo-tools against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fproject-fifo%2Ffifo-tools" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/project-fifo/fifo-tools 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 git repo https://github.com/project-fifo/fifo-tools
[INFO] finished tweaking git repo https://github.com/project-fifo/fifo-tools
[INFO] tweaked toml for git repo https://github.com/project-fifo/fifo-tools written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/project-fifo/fifo-tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] d71681ca54cf6a3e542336859810bf05bd42406b1bc282ae45b85c25cf4486e8
[INFO] running `Command { std: "docker" "start" "-a" "d71681ca54cf6a3e542336859810bf05bd42406b1bc282ae45b85c25cf4486e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d71681ca54cf6a3e542336859810bf05bd42406b1bc282ae45b85c25cf4486e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d71681ca54cf6a3e542336859810bf05bd42406b1bc282ae45b85c25cf4486e8", kill_on_drop: false }`
[INFO] [stdout] d71681ca54cf6a3e542336859810bf05bd42406b1bc282ae45b85c25cf4486e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59393203427b59f46ca565360f793a2a97f75e69cb9b02ba6bdba781b30fb0a2
[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" "59393203427b59f46ca565360f793a2a97f75e69cb9b02ba6bdba781b30fb0a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.16.4
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]    Compiling prettytable-rs v0.6.7
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling fifo v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fmt/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub get: Box<Fn(&Value) -> String>
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Value) -> String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 29.81s
[INFO] running `Command { std: "docker" "inspect" "59393203427b59f46ca565360f793a2a97f75e69cb9b02ba6bdba781b30fb0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59393203427b59f46ca565360f793a2a97f75e69cb9b02ba6bdba781b30fb0a2", kill_on_drop: false }`
[INFO] [stdout] 59393203427b59f46ca565360f793a2a97f75e69cb9b02ba6bdba781b30fb0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2da778d514d69decadf20e4749d8d3fa2cf0ad2d00c2ddb91bfb7a03149b2659
[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" "2da778d514d69decadf20e4749d8d3fa2cf0ad2d00c2ddb91bfb7a03149b2659", kill_on_drop: false }`
[INFO] [stderr]    Compiling fifo v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fmt/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub get: Box<Fn(&Value) -> String>
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Value) -> String`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 1.24s
[INFO] running `Command { std: "docker" "inspect" "2da778d514d69decadf20e4749d8d3fa2cf0ad2d00c2ddb91bfb7a03149b2659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da778d514d69decadf20e4749d8d3fa2cf0ad2d00c2ddb91bfb7a03149b2659", kill_on_drop: false }`
[INFO] [stdout] 2da778d514d69decadf20e4749d8d3fa2cf0ad2d00c2ddb91bfb7a03149b2659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43795d1cc5c4dd87209a1b6c28ff6fe0af89919cfe8b06b7b04e8cd01f0ec9a4
[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" "43795d1cc5c4dd87209a1b6c28ff6fe0af89919cfe8b06b7b04e8cd01f0ec9a4", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fmt/mod.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub get: Box<Fn(&Value) -> String>
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Value) -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` 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/fifo-684425573e6b2b2d
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "43795d1cc5c4dd87209a1b6c28ff6fe0af89919cfe8b06b7b04e8cd01f0ec9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43795d1cc5c4dd87209a1b6c28ff6fe0af89919cfe8b06b7b04e8cd01f0ec9a4", kill_on_drop: false }`
[INFO] [stdout] 43795d1cc5c4dd87209a1b6c28ff6fe0af89919cfe8b06b7b04e8cd01f0ec9a4