[INFO] fetching crate convert-enum 0.1.0...
[INFO] testing convert-enum-0.1.0 against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] extracting crate convert-enum 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate convert-enum 0.1.0
[INFO] finished tweaking crates.io crate convert-enum 0.1.0
[INFO] tweaked toml for crates.io crate convert-enum 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate convert-enum 0.1.0 on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.114)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9add9646c67c640d244cb8819573e87fd9a189099ed2e49db55aeadfbc80a9d9
[INFO] running `Command { std: "docker" "start" "-a" "9add9646c67c640d244cb8819573e87fd9a189099ed2e49db55aeadfbc80a9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9add9646c67c640d244cb8819573e87fd9a189099ed2e49db55aeadfbc80a9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9add9646c67c640d244cb8819573e87fd9a189099ed2e49db55aeadfbc80a9d9", kill_on_drop: false }`
[INFO] [stdout] 9add9646c67c640d244cb8819573e87fd9a189099ed2e49db55aeadfbc80a9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49d5e811f0553c268237bb1a8f8ddb02fd2fba30076607c7350dc1dc93b2c18e
[INFO] running `Command { std: "docker" "start" "-a" "49d5e811f0553c268237bb1a8f8ddb02fd2fba30076607c7350dc1dc93b2c18e", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling convert-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.40s
[INFO] running `Command { std: "docker" "inspect" "49d5e811f0553c268237bb1a8f8ddb02fd2fba30076607c7350dc1dc93b2c18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49d5e811f0553c268237bb1a8f8ddb02fd2fba30076607c7350dc1dc93b2c18e", kill_on_drop: false }`
[INFO] [stdout] 49d5e811f0553c268237bb1a8f8ddb02fd2fba30076607c7350dc1dc93b2c18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b3e3c52cd131b8a8932748e41cc82a3ba2d94e54a2fc11a9207714bb3b43488
[INFO] running `Command { std: "docker" "start" "-a" "8b3e3c52cd131b8a8932748e41cc82a3ba2d94e54a2fc11a9207714bb3b43488", kill_on_drop: false }`
[INFO] [stderr]    Compiling convert-enum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "8b3e3c52cd131b8a8932748e41cc82a3ba2d94e54a2fc11a9207714bb3b43488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3e3c52cd131b8a8932748e41cc82a3ba2d94e54a2fc11a9207714bb3b43488", kill_on_drop: false }`
[INFO] [stdout] 8b3e3c52cd131b8a8932748e41cc82a3ba2d94e54a2fc11a9207714bb3b43488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 142d601ffcecd6276a3fbac0f5170ed71775c262445275572553a40c9f107678
[INFO] running `Command { std: "docker" "start" "-a" "142d601ffcecd6276a3fbac0f5170ed71775c262445275572553a40c9f107678", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/convert_enum-510326f8e1a2efbc)
[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 convert_enum
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 32) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 21) ... FAILED
[INFO] [stdout] test src/lib.rs - convert_enum_from (line 114) ... FAILED
[INFO] [stdout] test src/lib.rs - convert_enum_try_into (line 140) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 32) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/lib.rs:33:32
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl From<std::fmt::Error> for Error {
[INFO] [stdout]    |                                ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 32 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `Error` in this scope
[INFO] [stdout]   --> src/lib.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl From<std::io::Error> for Error {
[INFO] [stdout]    |                               ^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::error::Error;
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::fmt::Error;
[INFO] [stdout]    |
[INFO] [stdout] 32 + use std::io::Error;
[INFO] [stdout]    |
[INFO] [stdout] 32 + use core::error::Error;
[INFO] [stdout]    |
[INFO] [stdout]    = and 2 other candidates
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 21) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/lib.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Custom(Cow<'static, str>),
[INFO] [stdout]    |            ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 20 + use std::borrow::Cow;
[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 E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - convert_enum_from (line 114) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `T` in this scope
[INFO] [stdout]    --> src/lib.rs:115:11
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl From<T> for E {
[INFO] [stdout]     |           ^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl<T> From<T> for E {
[INFO] [stdout]     |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/lib.rs:115:18
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl From<T> for E {
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 115 | impl From<T> for Eq {
[INFO] [stdout]     |                   +
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `T` in this scope
[INFO] [stdout]    --> src/lib.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn from(val: T) -> Self {
[INFO] [stdout]     |                  ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - convert_enum_try_into (line 140) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/lib.rs:141:14
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl TryFrom<E> for T {
[INFO] [stdout]     |              ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl TryFrom<Eq> for T {
[INFO] [stdout]     |               +
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl<E> TryFrom<E> for T {
[INFO] [stdout]     |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `T` in this scope
[INFO] [stdout]    --> src/lib.rs:141:21
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl TryFrom<E> for T {
[INFO] [stdout]     |                     ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/lib.rs:142:18
[INFO] [stdout]     |
[INFO] [stdout] 142 |     type Error = E;
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 142 |     type Error = Eq;
[INFO] [stdout]     |                   +
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/lib.rs:144:22
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn try_from(val: E) -> Result<T, E> {
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn try_from(val: Eq) -> Result<T, E> {
[INFO] [stdout]     |                       +
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `T` in this scope
[INFO] [stdout]    --> src/lib.rs:144:35
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn try_from(val: E) -> Result<T, E> {
[INFO] [stdout]     |                                   ^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl<T> TryFrom<E> for T {
[INFO] [stdout]     |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find type `E` in this scope
[INFO] [stdout]    --> src/lib.rs:144:38
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn try_from(val: E) -> Result<T, E> {
[INFO] [stdout]     |                                      ^
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/cmp.rs:338:0
[INFO] [stdout]     |
[INFO] [stdout]     = note: similarly named trait `Eq` defined here
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn try_from(val: E) -> Result<T, Eq> {
[INFO] [stdout]     |                                       +
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]     |
[INFO] [stdout] 141 | impl<E> TryFrom<E> for T {
[INFO] [stdout]     |     +++
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `E`
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |             E::V(val) => Ok(val),
[INFO] [stdout]     |             ^ use of undeclared type `E`
[INFO] [stdout]     |
[INFO] [stdout] help: a trait with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 146 |             Eq::V(val) => Ok(val),
[INFO] [stdout]     |              +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 21)
[INFO] [stdout]     src/lib.rs - (line 32)
[INFO] [stdout]     src/lib.rs - convert_enum_from (line 114)
[INFO] [stdout]     src/lib.rs - convert_enum_try_into (line 140)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "142d601ffcecd6276a3fbac0f5170ed71775c262445275572553a40c9f107678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142d601ffcecd6276a3fbac0f5170ed71775c262445275572553a40c9f107678", kill_on_drop: false }`
[INFO] [stdout] 142d601ffcecd6276a3fbac0f5170ed71775c262445275572553a40c9f107678
