[INFO] fetching crate serde_single_or_vec2 1.0.0...
[INFO] testing serde_single_or_vec2-1.0.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate serde_single_or_vec2 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serde_single_or_vec2 1.0.0
[INFO] finished tweaking crates.io crate serde_single_or_vec2 1.0.0
[INFO] tweaked toml for crates.io crate serde_single_or_vec2 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde_single_or_vec2 1.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 390467e73f91a80eb7aaca1c8e27ea4b7929e83bd90636b59310296edc4629ca
[INFO] running `Command { std: "docker" "start" "-a" "390467e73f91a80eb7aaca1c8e27ea4b7929e83bd90636b59310296edc4629ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "390467e73f91a80eb7aaca1c8e27ea4b7929e83bd90636b59310296edc4629ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390467e73f91a80eb7aaca1c8e27ea4b7929e83bd90636b59310296edc4629ca", kill_on_drop: false }`
[INFO] [stdout] 390467e73f91a80eb7aaca1c8e27ea4b7929e83bd90636b59310296edc4629ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 62ed7eb204a445b4d0a1e9badfc2fda0d7f88012c76b839a2ac6d61558a7f192
[INFO] running `Command { std: "docker" "start" "-a" "62ed7eb204a445b4d0a1e9badfc2fda0d7f88012c76b839a2ac6d61558a7f192", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_single_or_vec2 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `Command { std: "docker" "inspect" "62ed7eb204a445b4d0a1e9badfc2fda0d7f88012c76b839a2ac6d61558a7f192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ed7eb204a445b4d0a1e9badfc2fda0d7f88012c76b839a2ac6d61558a7f192", kill_on_drop: false }`
[INFO] [stdout] 62ed7eb204a445b4d0a1e9badfc2fda0d7f88012c76b839a2ac6d61558a7f192
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2e863f5fbadd4ed3507421f503a384425f61bfdcc6b47fbaa303e8127b02ce2
[INFO] running `Command { std: "docker" "start" "-a" "a2e863f5fbadd4ed3507421f503a384425f61bfdcc6b47fbaa303e8127b02ce2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling serde_single_or_vec2 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "a2e863f5fbadd4ed3507421f503a384425f61bfdcc6b47fbaa303e8127b02ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e863f5fbadd4ed3507421f503a384425f61bfdcc6b47fbaa303e8127b02ce2", kill_on_drop: false }`
[INFO] [stdout] a2e863f5fbadd4ed3507421f503a384425f61bfdcc6b47fbaa303e8127b02ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e366ecac3e8bf0dd6e7beba7a61acab843b71ef4dccb1e5780f0791a74986a97
[INFO] running `Command { std: "docker" "start" "-a" "e366ecac3e8bf0dd6e7beba7a61acab843b71ef4dccb1e5780f0791a74986a97", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_single_or_vec2-307fafc9513a7514)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test tests::bool ... ok
[INFO] [stdout] test tests::f32 ... ok
[INFO] [stdout] test tests::bytes_buf ... ok
[INFO] [stdout] test tests::empty ... ok
[INFO] [stdout] test tests::i16 ... ok
[INFO] [stdout] test tests::i32 ... ok
[INFO] [stdout] test tests::i64 ... ok
[INFO] [stdout] test tests::none ... ok
[INFO] [stdout] test tests::i8 ... ok
[INFO] [stdout] test tests::seq ... ok
[INFO] [stdout] test tests::rec ... ok
[INFO] [stdout] test tests::some ... ok
[INFO] [stdout] test tests::string ... ok
[INFO] [stdout] test tests::u16 ... ok
[INFO] [stdout] test tests::u32 ... ok
[INFO] [stdout] test tests::str ... ok
[INFO] [stdout] test tests::unit ... ok
[INFO] [stdout] test tests::u8 ... ok
[INFO] [stdout] test tests::char ... ok
[INFO] [stdout] test tests::enm ... ok
[INFO] [stdout] test tests::strct ... ok
[INFO] [stdout] test tests::u64 ... ok
[INFO] [stdout] test tests::f64 ... ok
[INFO] [stderr]    Doc-tests serde_single_or_vec2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 76) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 36) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 64) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 76) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_single_or_vec`
[INFO] [stdout]  --> src/lib.rs:77:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_single_or_vec::{SingleOrVec, PreferSingle, Storage};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_single_or_vec`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_single_or_vec2::{SingleOrVec, PreferSingle, Storage};
[INFO] [stdout]   |                        +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_single_or_vec`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_single_or_vec::SingleOrVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_single_or_vec`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_single_or_vec2::SingleOrVec;
[INFO] [stdout]   |                        +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 36) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_single_or_vec`
[INFO] [stdout]  --> src/lib.rs:37:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_single_or_vec::{SingleOrVec, PreferSingle, AlwaysVector};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_single_or_vec`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_single_or_vec2::{SingleOrVec, PreferSingle, AlwaysVector};
[INFO] [stdout]   |                        +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 64) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde_single_or_vec`
[INFO] [stdout]  --> src/lib.rs:66:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_single_or_vec::{SingleOrVec, PreferSingle};
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `serde_single_or_vec`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_single_or_vec2::{SingleOrVec, PreferSingle};
[INFO] [stdout]   |                        +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 36)
[INFO] [stdout]     src/lib.rs - (line 64)
[INFO] [stdout]     src/lib.rs - (line 76)
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e366ecac3e8bf0dd6e7beba7a61acab843b71ef4dccb1e5780f0791a74986a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e366ecac3e8bf0dd6e7beba7a61acab843b71ef4dccb1e5780f0791a74986a97", kill_on_drop: false }`
[INFO] [stdout] e366ecac3e8bf0dd6e7beba7a61acab843b71ef4dccb1e5780f0791a74986a97