[INFO] updating cached repository https://github.com/Jeffrey-P-McAteer/mcastfs
[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] 69f40c7ab87f250cbb81ad29c967a2ce1d71545b
[INFO] testing Jeffrey-P-McAteer/mcastfs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffrey-P-McAteer%2Fmcastfs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jeffrey-P-McAteer/mcastfs 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/Jeffrey-P-McAteer/mcastfs
[INFO] finished tweaking git repo https://github.com/Jeffrey-P-McAteer/mcastfs
[INFO] tweaked toml for git repo https://github.com/Jeffrey-P-McAteer/mcastfs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Jeffrey-P-McAteer/mcastfs 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] bb39772c13cf4991cb92c4b78632a3077e3e4f7f19663900e105ae0a4e25f433
[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" "bb39772c13cf4991cb92c4b78632a3077e3e4f7f19663900e105ae0a4e25f433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb39772c13cf4991cb92c4b78632a3077e3e4f7f19663900e105ae0a4e25f433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb39772c13cf4991cb92c4b78632a3077e3e4f7f19663900e105ae0a4e25f433", kill_on_drop: false }`
[INFO] [stdout] bb39772c13cf4991cb92c4b78632a3077e3e4f7f19663900e105ae0a4e25f433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f4ba503db70801a0f7f188f2e261d9aadd2c4f7879db6a3b5a72d64562012468
[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" "f4ba503db70801a0f7f188f2e261d9aadd2c4f7879db6a3b5a72d64562012468", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling serde_json v1.0.34
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.84
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling mcastfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `Value`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::{Value, Error};
[INFO] [stdout]   |                  ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry`, `File`
[INFO] [stdout]   --> src/main.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::fs::{File,DirEntry};
[INFO] [stdout]    |               ^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.96s
[INFO] running `Command { std: "docker" "inspect" "f4ba503db70801a0f7f188f2e261d9aadd2c4f7879db6a3b5a72d64562012468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ba503db70801a0f7f188f2e261d9aadd2c4f7879db6a3b5a72d64562012468", kill_on_drop: false }`
[INFO] [stdout] f4ba503db70801a0f7f188f2e261d9aadd2c4f7879db6a3b5a72d64562012468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] c4fdccc795fdf6547cc190c82cfdf40c514799ed92ef1928df7d4e83b13f960c
[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" "c4fdccc795fdf6547cc190c82cfdf40c514799ed92ef1928df7d4e83b13f960c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcastfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `Value`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde_json::{Value, Error};
[INFO] [stdout]   |                  ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::io::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DirEntry`, `File`
[INFO] [stdout]   --> src/main.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::fs::{File,DirEntry};
[INFO] [stdout]    |               ^^^^ ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "c4fdccc795fdf6547cc190c82cfdf40c514799ed92ef1928df7d4e83b13f960c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4fdccc795fdf6547cc190c82cfdf40c514799ed92ef1928df7d4e83b13f960c", kill_on_drop: false }`
[INFO] [stdout] c4fdccc795fdf6547cc190c82cfdf40c514799ed92ef1928df7d4e83b13f960c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] d54df4da610714fa729efe03d067ec8ebbb863b340a84e196f844937dd29f46d
[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" "d54df4da610714fa729efe03d067ec8ebbb863b340a84e196f844937dd29f46d", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Error`, `Value`
[INFO] [stderr]  --> src/main.rs:7:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serde_json::{Value, Error};
[INFO] [stderr]   |                  ^^^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::io::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]   --> src/main.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::io;
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DirEntry`, `File`
[INFO] [stderr]   --> src/main.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 | use std::fs::{File,DirEntry};
[INFO] [stderr]    |               ^^^^ ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mcastfs-bda51cc2c88d6273
[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" "d54df4da610714fa729efe03d067ec8ebbb863b340a84e196f844937dd29f46d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d54df4da610714fa729efe03d067ec8ebbb863b340a84e196f844937dd29f46d", kill_on_drop: false }`
[INFO] [stdout] d54df4da610714fa729efe03d067ec8ebbb863b340a84e196f844937dd29f46d