[INFO] fetching crate alt-std 0.2.9...
[INFO] testing alt-std-0.2.9 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate alt-std 0.2.9 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate alt-std 0.2.9 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 crates.io crate alt-std 0.2.9
[INFO] finished tweaking crates.io crate alt-std 0.2.9
[INFO] tweaked toml for crates.io crate alt-std 0.2.9 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 12e5b4f6e12bf1f18300731ae5ade5b1ec643cca471109f0d6bec00f13c632d3
[INFO] running `Command { std: "docker" "start" "-a" "12e5b4f6e12bf1f18300731ae5ade5b1ec643cca471109f0d6bec00f13c632d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12e5b4f6e12bf1f18300731ae5ade5b1ec643cca471109f0d6bec00f13c632d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e5b4f6e12bf1f18300731ae5ade5b1ec643cca471109f0d6bec00f13c632d3", kill_on_drop: false }`
[INFO] [stdout] 12e5b4f6e12bf1f18300731ae5ade5b1ec643cca471109f0d6bec00f13c632d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] e7afbd52ef8d3ff61fd4563c78e40de2e8b7c4f883dcfd1171be83d80751cc7f
[INFO] running `Command { std: "docker" "start" "-a" "e7afbd52ef8d3ff61fd4563c78e40de2e8b7c4f883dcfd1171be83d80751cc7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling alt-std v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `core::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]  --> src/stream.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Stream : Drop {
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "e7afbd52ef8d3ff61fd4563c78e40de2e8b7c4f883dcfd1171be83d80751cc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7afbd52ef8d3ff61fd4563c78e40de2e8b7c4f883dcfd1171be83d80751cc7f", kill_on_drop: false }`
[INFO] [stdout] e7afbd52ef8d3ff61fd4563c78e40de2e8b7c4f883dcfd1171be83d80751cc7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 9397b2ef416cd12a3678076c55b2b3ef587abf18184fd6ec7653be75c42d71fc
[INFO] running `Command { std: "docker" "start" "-a" "9397b2ef416cd12a3678076c55b2b3ef587abf18184fd6ec7653be75c42d71fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling alt-std v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `core::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]  --> src/stream.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Stream : Drop {
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on `Self: Drop` are useless, consider instead using `core::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout]  --> src/stream.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Stream : Drop {
[INFO] [stdout]   |                    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "9397b2ef416cd12a3678076c55b2b3ef587abf18184fd6ec7653be75c42d71fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9397b2ef416cd12a3678076c55b2b3ef587abf18184fd6ec7653be75c42d71fc", kill_on_drop: false }`
[INFO] [stdout] 9397b2ef416cd12a3678076c55b2b3ef587abf18184fd6ec7653be75c42d71fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 88085f2788ca50152a6598f507d4280d18c5a3763ebfb5a85733bc3d28b479e4
[INFO] running `Command { std: "docker" "start" "-a" "88085f2788ca50152a6598f507d4280d18c5a3763ebfb5a85733bc3d28b479e4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: bounds on `Self: Drop` are useless, consider instead using `core::mem::needs_drop` to detect if a type has a destructor
[INFO] [stdout] running 17 tests
[INFO] [stderr]  --> src/stream.rs:3:20
[INFO] [stdout] test hashmap::test::testInsert ... ok
[INFO] [stderr]   |
[INFO] [stdout] test mem::tests::testBoxUnbox ... ok
[INFO] [stderr] 3 | pub trait Stream : Drop {
[INFO] [stderr]   |                    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(drop_bounds)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alt-std` (lib) generated 1 warning
[INFO] [stderr] warning: `alt-std` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alt_std-48f2095b3d4bb1ac)
[INFO] [stdout] test mem::tests::testBoxFromToRaw ... ok
[INFO] [stdout] test hashmap::test::testRemove ... ok
[INFO] [stdout] test mem::tests::testDrop ... ok
[INFO] [stdout] test io::tests::testCreateReadRemoveFile ... ok
[INFO] [stdout] test hashmap::test::testVecRemove ... ok
[INFO] [stdout] test stream::tests::testMemoryReadStream ... ok
[INFO] [stdout] test string::tests::testConversion ... ok
[INFO] [stdout] test stream::tests::testMemoryWriteStream ... ok
[INFO] [stdout] test vec::tests::testPopDestructor ... ok
[INFO] [stdout] test mem::tests::testDropVecVec ... ok
[INFO] [stdout] test vec::tests::testIter ... ok
[INFO] [stdout] test vec::tests::testPopDestructorPush ... ok
[INFO] [stdout] test mem::tests::testBoxUnboxVecVec ... ok
[INFO] [stdout] test vec::tests::testDestructor ... ok
[INFO] [stdout] test hashmap::test::testVecInsert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alt-std
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/mem.rs - mem::Box<T>::new (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "88085f2788ca50152a6598f507d4280d18c5a3763ebfb5a85733bc3d28b479e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88085f2788ca50152a6598f507d4280d18c5a3763ebfb5a85733bc3d28b479e4", kill_on_drop: false }`
[INFO] [stdout] 88085f2788ca50152a6598f507d4280d18c5a3763ebfb5a85733bc3d28b479e4