[INFO] updating cached repository https://github.com/k3d3/Roam
[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] 46ad5b2474881327998af51f011b83fdfa7260b9
[INFO] testing k3d3/Roam against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk3d3%2FRoam" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k3d3/Roam on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k3d3/Roam
[INFO] finished tweaking git repo https://github.com/k3d3/Roam
[INFO] tweaked toml for git repo https://github.com/k3d3/Roam written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/k3d3/Roam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] a1315be7006f5b8c836eef90be6b5459f9aec7b03d1dde9c14eecf828992ac95
[INFO] running `Command { std: "docker" "start" "-a" "a1315be7006f5b8c836eef90be6b5459f9aec7b03d1dde9c14eecf828992ac95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1315be7006f5b8c836eef90be6b5459f9aec7b03d1dde9c14eecf828992ac95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1315be7006f5b8c836eef90be6b5459f9aec7b03d1dde9c14eecf828992ac95", kill_on_drop: false }`
[INFO] [stdout] a1315be7006f5b8c836eef90be6b5459f9aec7b03d1dde9c14eecf828992ac95
[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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16435027217a5d279dd40b5624282f8059070ee20e35d177d11300c889d939b9
[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" "16435027217a5d279dd40b5624282f8059070ee20e35d177d11300c889d939b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling bitflags v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling base64 v0.4.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.27
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling clap v2.21.1
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.4
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling tokio-proto v0.1.0
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling roam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_json`
[INFO] [stdout]   --> src/network_config.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn to_json(&self) -> Result<String> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_pretty_json`
[INFO] [stdout]   --> src/network_config.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
[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 24.58s
[INFO] running `Command { std: "docker" "inspect" "16435027217a5d279dd40b5624282f8059070ee20e35d177d11300c889d939b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16435027217a5d279dd40b5624282f8059070ee20e35d177d11300c889d939b9", kill_on_drop: false }`
[INFO] [stdout] 16435027217a5d279dd40b5624282f8059070ee20e35d177d11300c889d939b9
[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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] dd84d6494c8c63d13d36c14e6da1b8e994fbb6ada281a7427468f987d95d3b67
[INFO] running `Command { std: "docker" "start" "-a" "dd84d6494c8c63d13d36c14e6da1b8e994fbb6ada281a7427468f987d95d3b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling roam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_pretty_json`
[INFO] [stdout]   --> src/network_config.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 2.16s
[INFO] running `Command { std: "docker" "inspect" "dd84d6494c8c63d13d36c14e6da1b8e994fbb6ada281a7427468f987d95d3b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd84d6494c8c63d13d36c14e6da1b8e994fbb6ada281a7427468f987d95d3b67", kill_on_drop: false }`
[INFO] [stdout] dd84d6494c8c63d13d36c14e6da1b8e994fbb6ada281a7427468f987d95d3b67
[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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 14691756c70056e3ad65d5f685298d8e8ef905e7658ebe9e9c7c3e96a7de27dd
[INFO] running `Command { std: "docker" "start" "-a" "14691756c70056e3ad65d5f685298d8e8ef905e7658ebe9e9c7c3e96a7de27dd", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `to_pretty_json`
[INFO] [stderr]   --> src/network_config.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn to_pretty_json(&self) -> Result<String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/roam-ce2740c91c41ea40
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test network_config::test::deserialize_network_key ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr ... ok
[INFO] [stdout] test network_config::test::generate_network_key_with_rng ... ok
[INFO] [stdout] test network_config::test::serialize_network_config_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_network_key ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_network_config_v4 ... ok
[INFO] [stdout] test network_config::test::deserialize_network_key_fail_2 ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr_fail_cidr_v6 ... ok
[INFO] [stdout] test network_config::test::serialize_ip_cidr_fail_cidr_v4 ... ok
[INFO] [stdout] test network_config::test::deserialize_network_key_fail_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14691756c70056e3ad65d5f685298d8e8ef905e7658ebe9e9c7c3e96a7de27dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14691756c70056e3ad65d5f685298d8e8ef905e7658ebe9e9c7c3e96a7de27dd", kill_on_drop: false }`
[INFO] [stdout] 14691756c70056e3ad65d5f685298d8e8ef905e7658ebe9e9c7c3e96a7de27dd