[INFO] cloning repository https://github.com/taskie/rust-memo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taskie/rust-memo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 389718524416253649e58ce9b1a285f3b405275d
[INFO] testing taskie/rust-memo against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo" "/workspace/builds/worker-111/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-111/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taskie/rust-memo on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taskie/rust-memo
[INFO] finished tweaking git repo https://github.com/taskie/rust-memo
[INFO] tweaked toml for git repo https://github.com/taskie/rust-memo written to /workspace/builds/worker-111/source/Cargo.toml
[INFO] crate git repo https://github.com/taskie/rust-memo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74ea47ff4542e26204ef9a8f23d5ad8516ca169d5c102b391b73467aea5108ce
[INFO] running `Command { std: "docker" "start" "-a" "74ea47ff4542e26204ef9a8f23d5ad8516ca169d5c102b391b73467aea5108ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74ea47ff4542e26204ef9a8f23d5ad8516ca169d5c102b391b73467aea5108ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ea47ff4542e26204ef9a8f23d5ad8516ca169d5c102b391b73467aea5108ce", kill_on_drop: false }`
[INFO] [stdout] 74ea47ff4542e26204ef9a8f23d5ad8516ca169d5c102b391b73467aea5108ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9af455fd23089219e83647dc6a0e24b0c3f699fe47c2789edf2e6a0481e852a
[INFO] running `Command { std: "docker" "start" "-a" "e9af455fd23089219e83647dc6a0e24b0c3f699fe47c2789edf2e6a0481e852a", kill_on_drop: false }`
[INFO] [stderr]    Compiling memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `f1`
[INFO] [stdout]   --> src/memo1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn f1(&self) -> S1 {
[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: `f1`
[INFO] [stdout]   --> src/memo1.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn f1(&self) -> &S1 {
[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 0.31s
[INFO] running `Command { std: "docker" "inspect" "e9af455fd23089219e83647dc6a0e24b0c3f699fe47c2789edf2e6a0481e852a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9af455fd23089219e83647dc6a0e24b0c3f699fe47c2789edf2e6a0481e852a", kill_on_drop: false }`
[INFO] [stdout] e9af455fd23089219e83647dc6a0e24b0c3f699fe47c2789edf2e6a0481e852a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a5e01a1b52dbcdb914eda0fa6e98c78deda95953929b364e76a8416d3d86638
[INFO] running `Command { std: "docker" "start" "-a" "9a5e01a1b52dbcdb914eda0fa6e98c78deda95953929b364e76a8416d3d86638", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `f1`
[INFO] [stdout]   --> src/memo1.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn f1(&self) -> S1 {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `f1`
[INFO] [stdout]   --> src/memo1.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn f1(&self) -> &S1 {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "9a5e01a1b52dbcdb914eda0fa6e98c78deda95953929b364e76a8416d3d86638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5e01a1b52dbcdb914eda0fa6e98c78deda95953929b364e76a8416d3d86638", kill_on_drop: false }`
[INFO] [stdout] 9a5e01a1b52dbcdb914eda0fa6e98c78deda95953929b364e76a8416d3d86638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 298ac5d021ee338e13ea8b38501b0af44c5e1d3f4c3035ae5e36cf1338880fc9
[INFO] running `Command { std: "docker" "start" "-a" "298ac5d021ee338e13ea8b38501b0af44c5e1d3f4c3035ae5e36cf1338880fc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `f1`
[INFO] [stderr]   --> src/memo1.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn f1(&self) -> S1 {
[INFO] [stderr]    |        ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `f1`
[INFO] [stderr]   --> src/memo1.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn f1(&self) -> &S1 {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `memo` (lib) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memo-60bc3ee8980d756f)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test memo1::test_1 ... ok
[INFO] [stdout] test memo1::test_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memo
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "298ac5d021ee338e13ea8b38501b0af44c5e1d3f4c3035ae5e36cf1338880fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "298ac5d021ee338e13ea8b38501b0af44c5e1d3f4c3035ae5e36cf1338880fc9", kill_on_drop: false }`
[INFO] [stdout] 298ac5d021ee338e13ea8b38501b0af44c5e1d3f4c3035ae5e36cf1338880fc9