[INFO] updating cached repository https://github.com/vijaysharmay/rust-session-part-1
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2d2d75c76d8f4dac56cc464f257337e34de687a
[INFO] testing vijaysharmay/rust-session-part-1 against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvijaysharmay%2Frust-session-part-1" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vijaysharmay/rust-session-part-1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vijaysharmay/rust-session-part-1
[INFO] finished tweaking git repo https://github.com/vijaysharmay/rust-session-part-1
[INFO] tweaked toml for git repo https://github.com/vijaysharmay/rust-session-part-1 written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/vijaysharmay/rust-session-part-1 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 731dc9dfd51f481ed6532236abdf176f565c0da567b2e701ca307cdb00f730ec
[INFO] running `"docker" "start" "-a" "731dc9dfd51f481ed6532236abdf176f565c0da567b2e701ca307cdb00f730ec"`
[INFO] [stderr]    Compiling rust-techtonic-session v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `a1` is never read
[INFO] [stderr]   --> src/lesson_1.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut a1: i32 = 1;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "731dc9dfd51f481ed6532236abdf176f565c0da567b2e701ca307cdb00f730ec"`
[INFO] running `"docker" "rm" "-f" "731dc9dfd51f481ed6532236abdf176f565c0da567b2e701ca307cdb00f730ec"`
[INFO] [stdout] 731dc9dfd51f481ed6532236abdf176f565c0da567b2e701ca307cdb00f730ec
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d6df62acdcfbf916579ef480a2124c0ae930701bf9d55b854e4381a9d3a52fcd
[INFO] running `"docker" "start" "-a" "d6df62acdcfbf916579ef480a2124c0ae930701bf9d55b854e4381a9d3a52fcd"`
[INFO] [stderr]    Compiling rust-techtonic-session v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `a1` is never read
[INFO] [stderr]   --> src/lesson_1.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut a1: i32 = 1;
[INFO] [stderr]    |             ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "d6df62acdcfbf916579ef480a2124c0ae930701bf9d55b854e4381a9d3a52fcd"`
[INFO] running `"docker" "rm" "-f" "d6df62acdcfbf916579ef480a2124c0ae930701bf9d55b854e4381a9d3a52fcd"`
[INFO] [stdout] d6df62acdcfbf916579ef480a2124c0ae930701bf9d55b854e4381a9d3a52fcd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 0dc0b2eac8bc95ac08b64c01d92f6eea2ec581417105fdb7babf6944230da95c
[INFO] running `"docker" "start" "-a" "0dc0b2eac8bc95ac08b64c01d92f6eea2ec581417105fdb7babf6944230da95c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_techtonic_session-b29823e19ce7935c
[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 `"docker" "inspect" "0dc0b2eac8bc95ac08b64c01d92f6eea2ec581417105fdb7babf6944230da95c"`
[INFO] running `"docker" "rm" "-f" "0dc0b2eac8bc95ac08b64c01d92f6eea2ec581417105fdb7babf6944230da95c"`
[INFO] [stdout] 0dc0b2eac8bc95ac08b64c01d92f6eea2ec581417105fdb7babf6944230da95c