[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#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaskie%2Frust-memo" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/taskie/rust-memo on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-108/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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92d9646ce4abdeb0dd1bf08f71ac92b49607cb641fc1a31177d4c46e730bde8e
[INFO] running `Command { std: "docker" "start" "-a" "92d9646ce4abdeb0dd1bf08f71ac92b49607cb641fc1a31177d4c46e730bde8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d9646ce4abdeb0dd1bf08f71ac92b49607cb641fc1a31177d4c46e730bde8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d9646ce4abdeb0dd1bf08f71ac92b49607cb641fc1a31177d4c46e730bde8e", kill_on_drop: false }`
[INFO] [stdout] 92d9646ce4abdeb0dd1bf08f71ac92b49607cb641fc1a31177d4c46e730bde8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a53311844111dee5b4a0b34cfa56a0463ac90ae7c11867607add62bc9bf904ff
[INFO] running `Command { std: "docker" "start" "-a" "a53311844111dee5b4a0b34cfa56a0463ac90ae7c11867607add62bc9bf904ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `s1`
[INFO] [stdout]  --> src/memo1.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct S2_1 { s1: Option<S1> }
[INFO] [stdout]   |               ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `s1`
[INFO] [stdout]  --> src/memo1.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct S2_2<'a> { s1: Option<&'a S1> }
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "a53311844111dee5b4a0b34cfa56a0463ac90ae7c11867607add62bc9bf904ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a53311844111dee5b4a0b34cfa56a0463ac90ae7c11867607add62bc9bf904ff", kill_on_drop: false }`
[INFO] [stdout] a53311844111dee5b4a0b34cfa56a0463ac90ae7c11867607add62bc9bf904ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c9b61355d70645057c83523806e6ae0dcbccc7e671a909bd7e521bf4c24743
[INFO] running `Command { std: "docker" "start" "-a" "14c9b61355d70645057c83523806e6ae0dcbccc7e671a909bd7e521bf4c24743", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `s1`
[INFO] [stdout]  --> src/memo1.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct S2_1 { s1: Option<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: field is never read: `s1`
[INFO] [stdout]  --> src/memo1.rs:8:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct S2_2<'a> { s1: Option<&'a S1> }
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "14c9b61355d70645057c83523806e6ae0dcbccc7e671a909bd7e521bf4c24743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c9b61355d70645057c83523806e6ae0dcbccc7e671a909bd7e521bf4c24743", kill_on_drop: false }`
[INFO] [stdout] 14c9b61355d70645057c83523806e6ae0dcbccc7e671a909bd7e521bf4c24743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8437c9ac07233114d22b57b623932d6be546848dd936141789a931aef47348d
[INFO] running `Command { std: "docker" "start" "-a" "d8437c9ac07233114d22b57b623932d6be546848dd936141789a931aef47348d", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `s1`
[INFO] [stdout] 
[INFO] [stderr]  --> src/memo1.rs:5:15
[INFO] [stdout] running 2 tests
[INFO] [stderr]   |
[INFO] [stdout] test memo1::test_1 ... ok
[INFO] [stderr] 5 | struct S2_1 { s1: Option<S1> }
[INFO] [stdout] test memo1::test_2 ... ok
[INFO] [stderr]   |               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `s1`
[INFO] [stderr]  --> src/memo1.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct S2_2<'a> { s1: Option<&'a S1> }
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[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] 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 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/memo-4e47b7e1de41f936)
[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" "d8437c9ac07233114d22b57b623932d6be546848dd936141789a931aef47348d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8437c9ac07233114d22b57b623932d6be546848dd936141789a931aef47348d", kill_on_drop: false }`
[INFO] [stdout] d8437c9ac07233114d22b57b623932d6be546848dd936141789a931aef47348d