[INFO] fetching crate astack 0.3.2...
[INFO] checking astack-0.3.2 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate astack 0.3.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate astack 0.3.2 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate astack 0.3.2
[INFO] finished tweaking crates.io crate astack 0.3.2
[INFO] tweaked toml for crates.io crate astack 0.3.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f29d473d9267e31422aad426e23a49a83cf23f0c093b2c3bca92f7df1396053
[INFO] running `Command { std: "docker" "start" "-a" "4f29d473d9267e31422aad426e23a49a83cf23f0c093b2c3bca92f7df1396053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f29d473d9267e31422aad426e23a49a83cf23f0c093b2c3bca92f7df1396053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f29d473d9267e31422aad426e23a49a83cf23f0c093b2c3bca92f7df1396053", kill_on_drop: false }`
[INFO] [stdout] 4f29d473d9267e31422aad426e23a49a83cf23f0c093b2c3bca92f7df1396053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5eff1133e595fe54c7f7ca86cdad3a0581eb62a15ad93e623c0aaa9c539b219
[INFO] running `Command { std: "docker" "start" "-a" "e5eff1133e595fe54c7f7ca86cdad3a0581eb62a15ad93e623c0aaa9c539b219", kill_on_drop: false }`
[INFO] [stderr]     Checking astack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `astack::StackError: std::error::Error` is not satisfied
[INFO] [stdout]    --> tests/tests.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         accepts_error(&StackError::Overflow);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `astack::StackError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `&astack::StackError` to `&dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astack` (test "tests") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "e5eff1133e595fe54c7f7ca86cdad3a0581eb62a15ad93e623c0aaa9c539b219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5eff1133e595fe54c7f7ca86cdad3a0581eb62a15ad93e623c0aaa9c539b219", kill_on_drop: false }`
[INFO] [stdout] e5eff1133e595fe54c7f7ca86cdad3a0581eb62a15ad93e623c0aaa9c539b219
[INFO] checking astack-0.3.2 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate astack 0.3.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate astack 0.3.2 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate astack 0.3.2
[INFO] finished tweaking crates.io crate astack 0.3.2
[INFO] tweaked toml for crates.io crate astack 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef4b7f50140453ec9c640381ad2f9d0618b00e71d4916ff40f7b214cd98629c
[INFO] running `Command { std: "docker" "start" "-a" "1ef4b7f50140453ec9c640381ad2f9d0618b00e71d4916ff40f7b214cd98629c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef4b7f50140453ec9c640381ad2f9d0618b00e71d4916ff40f7b214cd98629c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef4b7f50140453ec9c640381ad2f9d0618b00e71d4916ff40f7b214cd98629c", kill_on_drop: false }`
[INFO] [stdout] 1ef4b7f50140453ec9c640381ad2f9d0618b00e71d4916ff40f7b214cd98629c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74eeb3c54d9a2dcc41889c05bb1b222fe39e81695b561f6640cd6c81f9e39ee8
[INFO] running `Command { std: "docker" "start" "-a" "74eeb3c54d9a2dcc41889c05bb1b222fe39e81695b561f6640cd6c81f9e39ee8", kill_on_drop: false }`
[INFO] [stderr]     Checking astack v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `astack::StackError: std::error::Error` is not satisfied
[INFO] [stdout]    --> tests/tests.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         accepts_error(&StackError::Overflow);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^ the trait `std::error::Error` is not implemented for `astack::StackError`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required for the cast from `&astack::StackError` to `&dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astack` (test "tests") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "74eeb3c54d9a2dcc41889c05bb1b222fe39e81695b561f6640cd6c81f9e39ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74eeb3c54d9a2dcc41889c05bb1b222fe39e81695b561f6640cd6c81f9e39ee8", kill_on_drop: false }`
[INFO] [stdout] 74eeb3c54d9a2dcc41889c05bb1b222fe39e81695b561f6640cd6c81f9e39ee8
