[INFO] fetching crate rust_study0 0.1.1...
[INFO] testing rust_study0-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rust_study0 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rust_study0 0.1.1
[INFO] finished tweaking crates.io crate rust_study0 0.1.1
[INFO] tweaked toml for crates.io crate rust_study0 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_study0 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_study0 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30a7613d147099994eccf1e62356c3dbad71f6944b5d9f17151e13f99ca8e146
[INFO] running `Command { std: "docker" "start" "-a" "30a7613d147099994eccf1e62356c3dbad71f6944b5d9f17151e13f99ca8e146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30a7613d147099994eccf1e62356c3dbad71f6944b5d9f17151e13f99ca8e146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a7613d147099994eccf1e62356c3dbad71f6944b5d9f17151e13f99ca8e146", kill_on_drop: false }`
[INFO] [stdout] 30a7613d147099994eccf1e62356c3dbad71f6944b5d9f17151e13f99ca8e146
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66f14d3b01d2b526e5b1001af3dfd2bf0ac1636d21d33cf998cb1d4271c358a1
[INFO] running `Command { std: "docker" "start" "-a" "66f14d3b01d2b526e5b1001af3dfd2bf0ac1636d21d33cf998cb1d4271c358a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rust_study0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stdout]     |            ------- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     struct Device {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 352 |         addr: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "66f14d3b01d2b526e5b1001af3dfd2bf0ac1636d21d33cf998cb1d4271c358a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f14d3b01d2b526e5b1001af3dfd2bf0ac1636d21d33cf998cb1d4271c358a1", kill_on_drop: false }`
[INFO] [stdout] 66f14d3b01d2b526e5b1001af3dfd2bf0ac1636d21d33cf998cb1d4271c358a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eefa35313de9fc9316bd7f5fbbc1dc2bd341c50e46889936e7640b90217d0ff
[INFO] running `Command { std: "docker" "start" "-a" "8eefa35313de9fc9316bd7f5fbbc1dc2bd341c50e46889936e7640b90217d0ff", kill_on_drop: false }`
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stdout]     |            ------- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     struct Device {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 352 |         addr: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_study0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:206:18
[INFO] [stdout]     |
[INFO] [stdout] 206 |     struct Color(i32, i32, i32);
[INFO] [stdout]     |            ----- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/lib.rs:207:20
[INFO] [stdout]     |
[INFO] [stdout] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stdout]     |            ------- ^^^  ^^^  ^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `addr` is never read
[INFO] [stdout]    --> src/lib.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |     struct Device {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 352 |         addr: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "8eefa35313de9fc9316bd7f5fbbc1dc2bd341c50e46889936e7640b90217d0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eefa35313de9fc9316bd7f5fbbc1dc2bd341c50e46889936e7640b90217d0ff", kill_on_drop: false }`
[INFO] [stdout] 8eefa35313de9fc9316bd7f5fbbc1dc2bd341c50e46889936e7640b90217d0ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1cf27ec295d682e9237a2b13f3cfc9492dee8da27dce6f0f9511d081c39b14f3
[INFO] running `Command { std: "docker" "start" "-a" "1cf27ec295d682e9237a2b13f3cfc9492dee8da27dce6f0f9511d081c39b14f3", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]    --> src/lib.rs:206:18
[INFO] [stderr]     |
[INFO] [stderr] 206 |     struct Color(i32, i32, i32);
[INFO] [stderr]     |            ----- ^^^  ^^^  ^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            fields in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing these fields
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `0`, `1`, and `2` are never read
[INFO] [stderr]    --> src/lib.rs:207:20
[INFO] [stderr]     |
[INFO] [stderr] 207 |     struct Point3D(i32, i32, i32);
[INFO] [stderr]     |            ------- ^^^  ^^^  ^^^
[INFO] [stderr]     |            |
[INFO] [stderr]     |            fields in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing these fields
[INFO] [stderr] 
[INFO] [stderr] warning: field `addr` is never read
[INFO] [stderr]    --> src/lib.rs:352:9
[INFO] [stderr]     |
[INFO] [stderr] 351 |     struct Device {
[INFO] [stderr]     |            ------ field in this struct
[INFO] [stderr] 352 |         addr: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Device` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_study0` (lib) generated 3 warnings
[INFO] [stderr] warning: `rust_study0` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_study0-d16daacdd8cb04ec)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::multi_results ... ok
[INFO] [stdout] test tests::multi_results_with_iterator ... ok
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_study0-375cb7d80543ae15)
[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] [stderr]    Doc-tests rust_study0
[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" "1cf27ec295d682e9237a2b13f3cfc9492dee8da27dce6f0f9511d081c39b14f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cf27ec295d682e9237a2b13f3cfc9492dee8da27dce6f0f9511d081c39b14f3", kill_on_drop: false }`
[INFO] [stdout] 1cf27ec295d682e9237a2b13f3cfc9492dee8da27dce6f0f9511d081c39b14f3