[INFO] fetching crate sample-std 0.2.1...
[INFO] checking sample-std-0.2.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate sample-std 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate sample-std 0.2.1 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sample-std 0.2.1
[INFO] finished tweaking crates.io crate sample-std 0.2.1
[INFO] tweaked toml for crates.io crate sample-std 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding rand_regex v0.15.1 (available: v0.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4399116c4a79c5a83a5b1a7c8a0a03baa5633e086616285054f2982367ebd4b
[INFO] running `Command { std: "docker" "start" "-a" "d4399116c4a79c5a83a5b1a7c8a0a03baa5633e086616285054f2982367ebd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4399116c4a79c5a83a5b1a7c8a0a03baa5633e086616285054f2982367ebd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4399116c4a79c5a83a5b1a7c8a0a03baa5633e086616285054f2982367ebd4b", kill_on_drop: false }`
[INFO] [stdout] d4399116c4a79c5a83a5b1a7c8a0a03baa5633e086616285054f2982367ebd4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3b78159fedea985be4a1771c745bc451e77810c172b1ec4544315c1a7a88934
[INFO] running `Command { std: "docker" "start" "-a" "f3b78159fedea985be4a1771c745bc451e77810c172b1ec4544315c1a7a88934", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.167
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling rand_regex v0.15.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling casey v0.4.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking sample-std v0.2.1
[INFO] [stderr]     Checking sample-std v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling sample-test-macros v0.2.1
[INFO] [stderr]     Checking sample-test v0.2.1
[INFO] [stdout] error[E0277]: the trait bound `Box<dyn sample_std::Sample<Output = Tree>>: sample_test::Sample` is not satisfied
[INFO] [stdout]    --> tests/recurse.rs:131:1
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[sample_test]
[INFO] [stdout]     | ^^^^^^^^^^^^^^ the trait `sample_test::Sample` is not implemented for `Box<dyn sample_std::Sample<Output = Tree>>`
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `sample_std` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-std-0.2.1/src/lib.rs:159:1
[INFO] [stdout]     |
[INFO] [stdout] 159 |   pub trait Sample {
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^ this is the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: tests/recurse.rs:5:5
[INFO] [stdout]     |
[INFO] [stdout] 5   |   use sample_std::{
[INFO] [stdout]     |       ---------- one version of crate `sample_std` is used here, as a direct dependency of the current crate
[INFO] [stdout] ...
[INFO] [stdout] 9   |   use sample_test::sample_test;
[INFO] [stdout]     |       ----------- one version of crate `sample_std` is used here, as a dependency of crate `sample_test`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/recursive.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout] 5   |   pub trait Recursion {
[INFO] [stdout]     |   ------------------- this is the found trait
[INFO] [stdout]    --> /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/alloc/src/boxed.rs:233:1
[INFO] [stdout]    ::: /rustc/31561a63598a0f21fc74c024747ef1310fdd2eb2/library/alloc/src/boxed.rs:236:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: this type doesn't implement the required trait
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: required for `(Box<dyn sample_std::Sample<Output = Tree>>,)` to implement `sample_test::Sample`
[INFO] [stdout]     = note: this error originates in the attribute macro `sample_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `RecursiveSampler<JsonSampler>: sample_test::Sample` is not satisfied
[INFO] [stdout]    --> tests/recurse.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | #[sample_test]
[INFO] [stdout]     | ^^^^^^^^^^^^^^ the trait `sample_test::Sample` is not implemented for `RecursiveSampler<JsonSampler>`
[INFO] [stdout]     |
[INFO] [stdout] note: there are multiple different versions of crate `sample_std` in the dependency graph
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-std-0.2.1/src/lib.rs:159:1
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub trait Sample {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^ this is the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: tests/recurse.rs:5:5
[INFO] [stdout]     |
[INFO] [stdout] 5   | use sample_std::{
[INFO] [stdout]     |     ---------- one version of crate `sample_std` is used here, as a direct dependency of the current crate
[INFO] [stdout] ...
[INFO] [stdout] 9   | use sample_test::sample_test;
[INFO] [stdout]     |     ----------- one version of crate `sample_std` is used here, as a dependency of crate `sample_test`
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/workdir/src/recursive.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub trait Recursion {
[INFO] [stdout]     | ------------------- this is the found trait
[INFO] [stdout] ...
[INFO] [stdout] 14  | pub struct RecursiveSampler<G> {
[INFO] [stdout]     | ------------------------------ this type doesn't implement the required trait
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sample-std-0.2.1/src/recursive.rs:14:1
[INFO] [stdout]     |
[INFO] [stdout] 14  | pub struct RecursiveSampler<G> {
[INFO] [stdout]     | ------------------------------ this type implements the required trait
[INFO] [stdout]     = note: two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: required for `(RecursiveSampler<JsonSampler>,)` to implement `sample_test::Sample`
[INFO] [stdout]     = note: this error originates in the attribute macro `sample_test` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sample-std` (test "recurse") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f3b78159fedea985be4a1771c745bc451e77810c172b1ec4544315c1a7a88934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b78159fedea985be4a1771c745bc451e77810c172b1ec4544315c1a7a88934", kill_on_drop: false }`
[INFO] [stdout] f3b78159fedea985be4a1771c745bc451e77810c172b1ec4544315c1a7a88934
